Run clang-tidy’s modernize-use-equals-default pass.

This replaces empty constructors and destructors with the default
keyword.

323 files changed, 485 insertions, 848 deletions

diff --git a/src/cms-color-types.h b/src/cms-color-types.h
index b94c96029..0a49a1d21 100644
--- a/src/cms-color-types.h
+++ b/src/cms-color-types.h
@@ -58,7 +58,7 @@ namespace Inkscape {
  */
 class FourCCSig {
 public:
-    FourCCSig( FourCCSig const &other ) : value(other.value) {};
+    FourCCSig( FourCCSig const &other ) = default;
 
 protected:
     FourCCSig( guint32 value ) : value(value) {};
@@ -68,7 +68,7 @@ protected:
 
 class ColorSpaceSig : public FourCCSig {
 public:
-    ColorSpaceSig( ColorSpaceSig const &other ) : FourCCSig(other) {};
+    ColorSpaceSig( ColorSpaceSig const &other ) = default;
 
 protected:
     ColorSpaceSig( guint32 value ) : FourCCSig(value) {};
@@ -76,7 +76,7 @@ protected:
 
 class ColorProfileClassSig : public FourCCSig {
 public:
-     ColorProfileClassSig( ColorProfileClassSig const &other ) : FourCCSig(other) {};
+     ColorProfileClassSig( ColorProfileClassSig const &other ) = default;
 
 protected:
      ColorProfileClassSig( guint32 value ) : FourCCSig(value) {};
diff --git a/src/composite-undo-stack-observer.cpp b/src/composite-undo-stack-observer.cpp
index 81a0b27c7..621ab4306 100644
--- a/src/composite-undo-stack-observer.cpp
+++ b/src/composite-undo-stack-observer.cpp
@@ -17,7 +17,7 @@
 namespace Inkscape {
 
 CompositeUndoStackObserver::CompositeUndoStackObserver() : _iterating(0) { }
-CompositeUndoStackObserver::~CompositeUndoStackObserver() { }
+CompositeUndoStackObserver::~CompositeUndoStackObserver() = default;
 
 void
 CompositeUndoStackObserver::add(UndoStackObserver& observer)
diff --git a/src/console-output-undo-observer.h b/src/console-output-undo-observer.h
index 09eab5868..675706e08 100644
--- a/src/console-output-undo-observer.h
+++ b/src/console-output-undo-observer.h
@@ -23,7 +23,7 @@ namespace Inkscape {
 class ConsoleOutputUndoObserver : public UndoStackObserver {
 public:
     ConsoleOutputUndoObserver() : UndoStackObserver() { }
-    ~ConsoleOutputUndoObserver() override { }
+    ~ConsoleOutputUndoObserver() override = default;
 
     void notifyUndoEvent(Event* log) override;
     void notifyRedoEvent(Event* log) override;
diff --git a/src/debug/event.h b/src/debug/event.h
index 2d3751ff5..1ddcb8b55 100644
--- a/src/debug/event.h
+++ b/src/debug/event.h
@@ -21,7 +21,7 @@ namespace Debug {
 
 class Event {
 public:
-    virtual ~Event() {}
+    virtual ~Event() = default;
 
     enum Category {
         CORE=0,
@@ -39,7 +39,7 @@ public:
 
     struct PropertyPair {
     public:
-        PropertyPair() {}
+        PropertyPair() = default;
         PropertyPair(Util::ptr_shared n, Util::ptr_shared v)
         : name(n), value(v) {}
         PropertyPair(char const *n, Util::ptr_shared v)
diff --git a/src/debug/heap.h b/src/debug/heap.h
index d7d39efb9..959578893 100644
--- a/src/debug/heap.h
+++ b/src/debug/heap.h
@@ -21,7 +21,7 @@ namespace Debug {
 
 class Heap {
 public:
-    virtual ~Heap() {}
+    virtual ~Heap() = default;
 
     struct Stats {
         std::size_t size;
diff --git a/src/debug/sysv-heap.h b/src/debug/sysv-heap.h
index baab0af5f..6f95b74c4 100644
--- a/src/debug/sysv-heap.h
+++ b/src/debug/sysv-heap.h
@@ -19,7 +19,7 @@ namespace Debug {
 
 class SysVHeap : public Heap {
 public:
-    SysVHeap() {}
+    SysVHeap() = default;
     
     int features() const override;
 
diff --git a/src/desktop.cpp b/src/desktop.cpp
index 8e71d0d5a..ad75a441d 100644
--- a/src/desktop.cpp
+++ b/src/desktop.cpp
@@ -379,8 +379,7 @@ void SPDesktop::destroy()
 }
 
 SPDesktop::~SPDesktop()
-{
-}
+= default;
 
 
 Inkscape::UI::Tools::ToolBase* SPDesktop::getEventContext() const {
diff --git a/src/device-manager.cpp b/src/device-manager.cpp
index cbc67238e..da85860c2 100644
--- a/src/device-manager.cpp
+++ b/src/device-manager.cpp
@@ -163,12 +163,12 @@ InputDevice::InputDevice()
     : Glib::Object()
 {}
 
-InputDevice::~InputDevice() {}
+InputDevice::~InputDevice() = default;
 
 class InputDeviceImpl : public InputDevice {
 public:
     InputDeviceImpl(Glib::RefPtr<Gdk::Device> device, std::set<Glib::ustring> &knownIDs);
-    ~InputDeviceImpl() override {}
+    ~InputDeviceImpl() override = default;
 
     Glib::ustring getId() const override {return id;}
     Glib::ustring getName() const override {return name;}
@@ -611,8 +611,7 @@ DeviceManager::DeviceManager()
 {
 }
 
-DeviceManager::~DeviceManager() {
-}
+DeviceManager::~DeviceManager() = default;
 
 DeviceManager& DeviceManager::getManager() {
     if ( !theInstance ) {
diff --git a/src/display/curve.cpp b/src/display/curve.cpp
index e424fee05..ca7666ee0 100644
--- a/src/display/curve.cpp
+++ b/src/display/curve.cpp
@@ -73,8 +73,7 @@ SPCurve::new_from_rect(Geom::Rect const &rect, bool all_four_sides)
 }
 
 SPCurve::~SPCurve()
-{
-}
+= default;
 
 /* Methods */
 
diff --git a/src/display/drawing-text.cpp b/src/display/drawing-text.cpp
index a51e00606..edfd5eca2 100644
--- a/src/display/drawing-text.cpp
+++ b/src/display/drawing-text.cpp
@@ -205,7 +205,7 @@ DrawingText::DrawingText(Drawing &drawing)
 {}
 
 DrawingText::~DrawingText()
-{}
+= default;
 
 void
 DrawingText::clear()
diff --git a/src/display/nr-filter-blend.cpp b/src/display/nr-filter-blend.cpp
index 49dfc7ec4..8ee05dda4 100644
--- a/src/display/nr-filter-blend.cpp
+++ b/src/display/nr-filter-blend.cpp
@@ -53,7 +53,7 @@ FilterPrimitive * FilterBlend::create() {
 }
 
 FilterBlend::~FilterBlend()
-{}
+= default;
 
 static inline cairo_operator_t get_cairo_op(FilterBlendMode _blend_mode)
 {
diff --git a/src/display/nr-filter-colormatrix.cpp b/src/display/nr-filter-colormatrix.cpp
index 5f477ae9b..e50536ff5 100644
--- a/src/display/nr-filter-colormatrix.cpp
+++ b/src/display/nr-filter-colormatrix.cpp
@@ -22,15 +22,14 @@ namespace Inkscape {
 namespace Filters {
 
 FilterColorMatrix::FilterColorMatrix()
-{
-}
+= default;
 
 FilterPrimitive * FilterColorMatrix::create() {
     return new FilterColorMatrix();
 }
 
 FilterColorMatrix::~FilterColorMatrix()
-{}
+= default;
 
 FilterColorMatrix::ColorMatrixMatrix::ColorMatrixMatrix(std::vector<double> const &values) {
     unsigned limit = std::min(static_cast<size_t>(20), values.size());
diff --git a/src/display/nr-filter-component-transfer.cpp b/src/display/nr-filter-component-transfer.cpp
index b2545b76f..e796d1792 100644
--- a/src/display/nr-filter-component-transfer.cpp
+++ b/src/display/nr-filter-component-transfer.cpp
@@ -20,15 +20,14 @@ namespace Inkscape {
 namespace Filters {
 
 FilterComponentTransfer::FilterComponentTransfer()
-{
-}
+= default;
 
 FilterPrimitive * FilterComponentTransfer::create() {
     return new FilterComponentTransfer();
 }
 
 FilterComponentTransfer::~FilterComponentTransfer()
-{}
+= default;
 
 struct UnmultiplyAlpha {
     guint32 operator()(guint32 in) {
diff --git a/src/display/nr-filter-composite.cpp b/src/display/nr-filter-composite.cpp
index 04f81f857..0eabde3ae 100644
--- a/src/display/nr-filter-composite.cpp
+++ b/src/display/nr-filter-composite.cpp
@@ -30,7 +30,7 @@ FilterPrimitive * FilterComposite::create() {
 }
 
 FilterComposite::~FilterComposite()
-{}
+= default;
 
 struct ComposeArithmetic {
     ComposeArithmetic(double k1, double k2, double k3, double k4)
diff --git a/src/display/nr-filter-convolve-matrix.cpp b/src/display/nr-filter-convolve-matrix.cpp
index 2aad528a6..3ab5f74f7 100644
--- a/src/display/nr-filter-convolve-matrix.cpp
+++ b/src/display/nr-filter-convolve-matrix.cpp
@@ -22,14 +22,14 @@ namespace Inkscape {
 namespace Filters {
 
 FilterConvolveMatrix::FilterConvolveMatrix()
-{}
+= default;
 
 FilterPrimitive * FilterConvolveMatrix::create() {
     return new FilterConvolveMatrix();
 }
 
 FilterConvolveMatrix::~FilterConvolveMatrix()
-{}
+= default;
 
 enum PreserveAlphaMode {
     PRESERVE_ALPHA,
diff --git a/src/display/nr-filter-diffuselighting.cpp b/src/display/nr-filter-diffuselighting.cpp
index ed5afa82a..183f76676 100644
--- a/src/display/nr-filter-diffuselighting.cpp
+++ b/src/display/nr-filter-diffuselighting.cpp
@@ -40,7 +40,7 @@ FilterPrimitive * FilterDiffuseLighting::create() {
 }
 
 FilterDiffuseLighting::~FilterDiffuseLighting()
-{}
+= default;
 
 struct DiffuseLight : public SurfaceSynth {
     DiffuseLight(cairo_surface_t *bumpmap, double scale, double kd)
diff --git a/src/display/nr-filter-displacement-map.cpp b/src/display/nr-filter-displacement-map.cpp
index fb2f3a0f0..18b6c2810 100644
--- a/src/display/nr-filter-displacement-map.cpp
+++ b/src/display/nr-filter-displacement-map.cpp
@@ -19,14 +19,14 @@ namespace Inkscape {
 namespace Filters {
 
 FilterDisplacementMap::FilterDisplacementMap()
-{}
+= default;
 
 FilterPrimitive * FilterDisplacementMap::create() {
     return new FilterDisplacementMap();
 }
 
 FilterDisplacementMap::~FilterDisplacementMap()
-{}
+= default;
 
 struct Displace {
     Displace(cairo_surface_t *texture, cairo_surface_t *map,
diff --git a/src/display/nr-filter-flood.cpp b/src/display/nr-filter-flood.cpp
index d1fe3e13f..463b7e0c3 100644
--- a/src/display/nr-filter-flood.cpp
+++ b/src/display/nr-filter-flood.cpp
@@ -25,14 +25,14 @@ namespace Inkscape {
 namespace Filters {
 
 FilterFlood::FilterFlood()
-{}
+= default;
 
 FilterPrimitive * FilterFlood::create() {
     return new FilterFlood();
 }
 
 FilterFlood::~FilterFlood()
-{}
+= default;
 
 void FilterFlood::render_cairo(FilterSlot &slot)
 {
diff --git a/src/display/nr-filter-merge.cpp b/src/display/nr-filter-merge.cpp
index 316df84f0..1dc8bad82 100644
--- a/src/display/nr-filter-merge.cpp
+++ b/src/display/nr-filter-merge.cpp
@@ -27,7 +27,7 @@ FilterPrimitive * FilterMerge::create() {
 }
 
 FilterMerge::~FilterMerge()
-{}
+= default;
 
 void FilterMerge::render_cairo(FilterSlot &slot)
 {
diff --git a/src/display/nr-filter-morphology.cpp b/src/display/nr-filter-morphology.cpp
index a06033e80..22b73228e 100644
--- a/src/display/nr-filter-morphology.cpp
+++ b/src/display/nr-filter-morphology.cpp
@@ -23,15 +23,14 @@ namespace Inkscape {
 namespace Filters {
 
 FilterMorphology::FilterMorphology()
-{
-}
+= default;
 
 FilterPrimitive * FilterMorphology::create() {
     return new FilterMorphology();
 }
 
 FilterMorphology::~FilterMorphology()
-{}
+= default;
 
 enum MorphologyOp {
     ERODE,
diff --git a/src/display/nr-filter-offset.cpp b/src/display/nr-filter-offset.cpp
index 718dc4e2c..01c3e4c5c 100644
--- a/src/display/nr-filter-offset.cpp
+++ b/src/display/nr-filter-offset.cpp
@@ -29,7 +29,7 @@ FilterPrimitive * FilterOffset::create() {
 }
 
 FilterOffset::~FilterOffset()
-{}
+= default;
 
 void FilterOffset::render_cairo(FilterSlot &slot)
 {
diff --git a/src/display/nr-filter-specularlighting.cpp b/src/display/nr-filter-specularlighting.cpp
index e8d03d42e..f989119b7 100644
--- a/src/display/nr-filter-specularlighting.cpp
+++ b/src/display/nr-filter-specularlighting.cpp
@@ -41,7 +41,7 @@ FilterPrimitive * FilterSpecularLighting::create() {
 }
 
 FilterSpecularLighting::~FilterSpecularLighting()
-{}
+= default;
 
 struct SpecularLight : public SurfaceSynth {
     SpecularLight(cairo_surface_t *bumpmap, double scale, double specular_constant,
diff --git a/src/display/nr-filter-tile.cpp b/src/display/nr-filter-tile.cpp
index ad4e64768..bff404b4e 100644
--- a/src/display/nr-filter-tile.cpp
+++ b/src/display/nr-filter-tile.cpp
@@ -20,15 +20,14 @@ namespace Inkscape {
 namespace Filters {
 
 FilterTile::FilterTile()
-{
-}
+= default;
 
 FilterPrimitive * FilterTile::create() {
     return new FilterTile();
 }
 
 FilterTile::~FilterTile()
-{}
+= default;
 
 void FilterTile::render_cairo(FilterSlot &slot)
 {
diff --git a/src/display/nr-filter-units.cpp b/src/display/nr-filter-units.cpp
index a0cbe80ef..e924b6c90 100644
--- a/src/display/nr-filter-units.cpp
+++ b/src/display/nr-filter-units.cpp
@@ -157,18 +157,7 @@ Geom::IntRect FilterUnits::get_pixblock_filterarea_paraller() const {
     return ir;
 }
 
-FilterUnits& FilterUnits::operator=(FilterUnits const &other) {
-    filterUnits = other.filterUnits;
-    primitiveUnits = other.primitiveUnits;
-    resolution_x = other.resolution_x;
-    resolution_y = other.resolution_y;
-    paraller_axis = other.paraller_axis;
-    automatic_resolution = other.automatic_resolution;
-    ctm = other.ctm;
-    item_bbox = other.item_bbox;
-    filter_area = other.filter_area;
-    return *this;
-}
+FilterUnits& FilterUnits::operator=(FilterUnits const &other) = default;
 
 } /* namespace Filters */
 } /* namespace Inkscape */
diff --git a/src/display/nr-light.cpp b/src/display/nr-light.cpp
index 47938f00c..271e4f967 100644
--- a/src/display/nr-light.cpp
+++ b/src/display/nr-light.cpp
@@ -27,7 +27,7 @@ DistantLight::DistantLight(SPFeDistantLight *light, guint32 lighting_color) {
     elevation = M_PI / 180 * light->elevation;
 }
 
-DistantLight::~DistantLight() {}
+DistantLight::~DistantLight() = default;
 
 void DistantLight::light_vector(NR::Fvector &v) {
     v[X_3D] = std::cos(azimuth)*std::cos(elevation);
@@ -49,7 +49,7 @@ PointLight::PointLight(SPFePointLight *light, guint32 lighting_color, const Geom
     NR::convert_coord(l_x, l_y, l_z, trans);
 }
 
-PointLight::~PointLight() {}
+PointLight::~PointLight() = default;
 
 void PointLight::light_vector(NR::Fvector &v, double x, double y, double z) {
     v[X_3D] = l_x - x;
@@ -84,7 +84,7 @@ SpotLight::SpotLight(SPFeSpotLight *light, guint32 lighting_color, const Geom::A
     
 }
 
-SpotLight::~SpotLight() {}
+SpotLight::~SpotLight() = default;
 
 void SpotLight::light_vector(NR::Fvector &v, double x, double y, double z) {
     v[X_3D] = l_x - x;
diff --git a/src/extension/db.cpp b/src/extension/db.cpp
index 8d6ad7e0e..caa23775d 100644
--- a/src/extension/db.cpp
+++ b/src/extension/db.cpp
@@ -32,8 +32,7 @@ DB db;
 
 /* Types */
 
-DB::DB (void) {
-}
+DB::DB (void) = default;
 
 
 struct ModuleInputCmp {
diff --git a/src/extension/implementation/implementation.h b/src/extension/implementation/implementation.h
index 52542064b..7658e5a83 100644
--- a/src/extension/implementation/implementation.h
+++ b/src/extension/implementation/implementation.h
@@ -70,9 +70,9 @@ public:
 class Implementation {
 public:
     // ----- Constructor / destructor -----
-    Implementation() {}
+    Implementation() = default;
     
-    virtual ~Implementation() {}
+    virtual ~Implementation() = default;
 
     // ----- Basic functions for all Extension -----
     virtual bool load(Inkscape::Extension::Extension * /*module*/) { return true; }
diff --git a/src/extension/implementation/script.cpp b/src/extension/implementation/script.cpp
index a8490fe73..90269c557 100644
--- a/src/extension/implementation/script.cpp
+++ b/src/extension/implementation/script.cpp
@@ -164,8 +164,7 @@ Script::Script()
  *   \brief     Destructor
  */
 Script::~Script()
-{
-}
+= default;
 
 
 
diff --git a/src/extension/input.h b/src/extension/input.h
index de3d9c0f8..426f77ccc 100644
--- a/src/extension/input.h
+++ b/src/extension/input.h
@@ -31,15 +31,15 @@ public: /* this is a hack for this release, this will be private shortly */
 
 public:
     struct open_failed : public std::exception {
-        ~open_failed() throw() override {}
+        ~open_failed() throw() override = default;
         const char *what() const throw() override { return "Open failed"; }
     };
     struct no_extension_found : public std::exception {
-        ~no_extension_found() throw() override {}
+        ~no_extension_found() throw() override = default;
         const char *what() const throw() override { return "No suitable input extension found"; }
     };
     struct open_cancelled : public std::exception {
-        ~open_cancelled() throw() override {}
+        ~open_cancelled() throw() override = default;
         const char *what() const throw() override { return "Open was cancelled"; }
     };
 
diff --git a/src/extension/internal/cairo-renderer.cpp b/src/extension/internal/cairo-renderer.cpp
index 05605a9d9..eca17966e 100644
--- a/src/extension/internal/cairo-renderer.cpp
+++ b/src/extension/internal/cairo-renderer.cpp
@@ -101,7 +101,7 @@ namespace Extension {
 namespace Internal {
 
 CairoRenderer::CairoRenderer(void)
-{}
+= default;
 
 CairoRenderer::~CairoRenderer(void)
 {
diff --git a/src/extension/internal/cdr-input.cpp b/src/extension/internal/cdr-input.cpp
index bf573cfac..e1f67dc85 100644
--- a/src/extension/internal/cdr-input.cpp
+++ b/src/extension/internal/cdr-input.cpp
@@ -164,7 +164,7 @@ CdrImportDialog::CdrImportDialog(const std::vector<RVNGString> &vec)
      _setPreviewPage();
 }
 
-CdrImportDialog::~CdrImportDialog() {}
+CdrImportDialog::~CdrImportDialog() = default;
 
 bool CdrImportDialog::showDialog()
 {
diff --git a/src/extension/internal/cdr-input.h b/src/extension/internal/cdr-input.h
index 9b7ef75db..25b9e8425 100644
--- a/src/extension/internal/cdr-input.h
+++ b/src/extension/internal/cdr-input.h
@@ -28,7 +28,7 @@ namespace Extension {
 namespace Internal {
 
 class CdrInput : public Inkscape::Extension::Implementation::Implementation {
-     CdrInput () { };
+     CdrInput () = default;;
 public:
      SPDocument *open( Inkscape::Extension::Input *mod,
                        const gchar *uri ) override;
diff --git a/src/extension/internal/metafile-inout.h b/src/extension/internal/metafile-inout.h
index f8562839e..d3e870a25 100644
--- a/src/extension/internal/metafile-inout.h
+++ b/src/extension/internal/metafile-inout.h
@@ -62,7 +62,7 @@ class Metafile
     : public Inkscape::Extension::Implementation::Implementation
 {
 public:
-    Metafile() {}
+    Metafile() = default;
     ~Metafile() override;
 
 protected:
diff --git a/src/extension/internal/metafile-print.h b/src/extension/internal/metafile-print.h
index 156610657..6209d3f73 100644
--- a/src/extension/internal/metafile-print.h
+++ b/src/extension/internal/metafile-print.h
@@ -48,7 +48,7 @@ class PrintMetafile
     : public Inkscape::Extension::Implementation::Implementation
 {
 public:
-    PrintMetafile() {}
+    PrintMetafile() = default;
     ~PrintMetafile() override;
 
     bool textToPath (Inkscape::Extension::Print * ext) override;
diff --git a/src/extension/internal/odf.h b/src/extension/internal/odf.h
index 1c1d7c6f6..e92bc1249 100644
--- a/src/extension/internal/odf.h
+++ b/src/extension/internal/odf.h
@@ -91,7 +91,7 @@ public:
         }
 
     virtual ~StyleInfo()
-        {}
+        = default;
 
     //used for eliminating duplicates in the styleTable
     bool equals(const StyleInfo &other)
@@ -131,7 +131,7 @@ public:
     GradientStop(unsigned long rgbArg, double opacityArg)
         { rgb = rgbArg; opacity = opacityArg; }
     virtual ~GradientStop()
-        {}
+        = default;
     GradientStop(const GradientStop &other)
         {  assign(other); }
     virtual GradientStop& operator=(const GradientStop &other)
@@ -200,7 +200,7 @@ public:
         }
 
     virtual ~GradientInfo()
-        {}
+        = default;
 
     //used for eliminating duplicates in the styleTable
     bool equals(const GradientInfo &other)
diff --git a/src/extension/internal/pdfinput/pdf-input.h b/src/extension/internal/pdfinput/pdf-input.h
index ae820946d..4cf1d01a0 100644
--- a/src/extension/internal/pdfinput/pdf-input.h
+++ b/src/extension/internal/pdfinput/pdf-input.h
@@ -132,7 +132,7 @@ private:
 
     
 class PdfInput: public Inkscape::Extension::Implementation::Implementation {
-    PdfInput () { };
+    PdfInput () = default;;
 public:
     SPDocument *open( Inkscape::Extension::Input *mod,
                                 const gchar *uri ) override;
diff --git a/src/extension/internal/pdfinput/svg-builder.cpp b/src/extension/internal/pdfinput/svg-builder.cpp
index 59481b9eb..c8e24a5e1 100644
--- a/src/extension/internal/pdfinput/svg-builder.cpp
+++ b/src/extension/internal/pdfinput/svg-builder.cpp
@@ -105,8 +105,7 @@ SvgBuilder::SvgBuilder(SvgBuilder *parent, Inkscape::XML::Node *root) {
     _init();
 }
 
-SvgBuilder::~SvgBuilder() {
-}
+SvgBuilder::~SvgBuilder() = default;
 
 void SvgBuilder::_init() {
     _font_style = nullptr;
diff --git a/src/extension/internal/pov-out.h b/src/extension/internal/pov-out.h
index 75ae0460d..f38027a4b 100644
--- a/src/extension/internal/pov-out.h
+++ b/src/extension/internal/pov-out.h
@@ -139,13 +139,13 @@ private:
     {
     public:
         PovShapeInfo()
-            {}
+            = default;
         PovShapeInfo(const PovShapeInfo &other)
             { assign(other); }
         PovShapeInfo& operator=(const PovShapeInfo &other)
             { assign(other); return *this; }
         virtual ~PovShapeInfo()
-            {}
+            = default;
         String id;
         String color;
 
diff --git a/src/extension/internal/vsd-input.cpp b/src/extension/internal/vsd-input.cpp
index 765e67648..e4982a02c 100644
--- a/src/extension/internal/vsd-input.cpp
+++ b/src/extension/internal/vsd-input.cpp
@@ -164,7 +164,7 @@ VsdImportDialog::VsdImportDialog(const std::vector<RVNGString> &vec)
      _setPreviewPage();
 }
 
-VsdImportDialog::~VsdImportDialog() {}
+VsdImportDialog::~VsdImportDialog() = default;
 
 bool VsdImportDialog::showDialog()
 {
diff --git a/src/extension/internal/vsd-input.h b/src/extension/internal/vsd-input.h
index 2cc20747a..5d8daddb2 100644
--- a/src/extension/internal/vsd-input.h
+++ b/src/extension/internal/vsd-input.h
@@ -28,7 +28,7 @@ namespace Extension {
 namespace Internal {
 
 class VsdInput : public Inkscape::Extension::Implementation::Implementation {
-     VsdInput () { };
+     VsdInput () = default;;
 public:
      SPDocument *open( Inkscape::Extension::Input *mod,
                        const gchar *uri ) override;
diff --git a/src/extension/internal/wpg-input.h b/src/extension/internal/wpg-input.h
index 4ee041eb9..92404a9e7 100644
--- a/src/extension/internal/wpg-input.h
+++ b/src/extension/internal/wpg-input.h
@@ -22,7 +22,7 @@ namespace Extension {
 namespace Internal {
 
 class WpgInput : public Inkscape::Extension::Implementation::Implementation {
-    WpgInput () { };
+    WpgInput () = default;;
 public:
     SPDocument *open( Inkscape::Extension::Input *mod,
                                 const gchar *uri ) override;
diff --git a/src/extension/param/radiobutton.cpp b/src/extension/param/radiobutton.cpp
index 45869378a..4a479687b 100644
--- a/src/extension/param/radiobutton.cpp
+++ b/src/extension/param/radiobutton.cpp
@@ -237,7 +237,7 @@ public:
     {
         this->signal_changed().connect(sigc::mem_fun(this, &ComboWdg::changed));
     }
-    ~ComboWdg() override {}
+    ~ComboWdg() override = default;
     void changed (void);
 };
 
diff --git a/src/extension/patheffect.cpp b/src/extension/patheffect.cpp
index 82d75dcb3..34c2be075 100644
--- a/src/extension/patheffect.cpp
+++ b/src/extension/patheffect.cpp
@@ -24,9 +24,7 @@ PathEffect::PathEffect (Inkscape::XML::Node * in_repr, Implementation::Implement
 }
 
 PathEffect::~PathEffect (void)
-{
-
-}
+= default;
 
 void
 PathEffect::processPath (SPDocument * /*doc*/, Inkscape::XML::Node * /*path*/, Inkscape::XML::Node * /*def*/)
diff --git a/src/extension/print.cpp b/src/extension/print.cpp
index ad9836a66..7337f77fb 100644
--- a/src/extension/print.cpp
+++ b/src/extension/print.cpp
@@ -25,7 +25,7 @@ Print::Print (Inkscape::XML::Node *in_repr, Implementation::Implementation *in_i
 }
 
 Print::~Print ()
-{}
+= default;
 
 bool
 Print::check ()
diff --git a/src/gc-anchored.h b/src/gc-anchored.h
index 04fb93436..b8494254b 100644
--- a/src/gc-anchored.h
+++ b/src/gc-anchored.h
@@ -56,7 +56,7 @@ public:
 
 protected:
     Anchored() : _anchor(nullptr) { anchor(); } // initial refcount of one
-    virtual ~Anchored() {}
+    virtual ~Anchored() = default;
 
 private:
     struct Anchor : public Managed<SCANNED, MANUAL> {
diff --git a/src/helper/geom-satellite.cpp b/src/helper/geom-satellite.cpp
index b54738a38..04df199d3 100644
--- a/src/helper/geom-satellite.cpp
+++ b/src/helper/geom-satellite.cpp
@@ -24,7 +24,7 @@
 #endif
 
 ///@brief Satellite a per node holder of data.
-Satellite::Satellite() {}
+Satellite::Satellite() = default;
 
 
 Satellite::Satellite(SatelliteType satellite_type)
@@ -38,7 +38,7 @@ Satellite::Satellite(SatelliteType satellite_type)
       steps(0)
 {}
 
-Satellite::~Satellite() {}
+Satellite::~Satellite() = default;
 
 ///Calculate the time in curve_in with a size of A
 //TODO: find a better place to it
diff --git a/src/inkgc/gc-alloc.h b/src/inkgc/gc-alloc.h
index 7a48bfa43..5600c1ead 100644
--- a/src/inkgc/gc-alloc.h
+++ b/src/inkgc/gc-alloc.h
@@ -37,7 +37,7 @@ public:
     template <typename U>
     struct rebind { typedef Alloc<U, collect> other; };
 
-    Alloc() {}
+    Alloc() = default;
     template <typename U> Alloc(Alloc<U, collect> const &) {}
 
     pointer address(reference r) { return &r; }
diff --git a/src/inkscape.cpp b/src/inkscape.cpp
index b2b67e754..2a2fa4f86 100644
--- a/src/inkscape.cpp
+++ b/src/inkscape.cpp
@@ -99,7 +99,7 @@ public:
     InkErrorHandler(bool useGui) : Inkscape::ErrorReporter(),
                                    _useGui(useGui)
     {}
-    ~InkErrorHandler() override {}
+    ~InkErrorHandler() override = default;
 
     void handleError( Glib::ustring const& primary, Glib::ustring const& secondary ) const override
     {
diff --git a/src/io/bufferstream.cpp b/src/io/bufferstream.cpp
index ba440254f..9a79f4e1b 100644
--- a/src/io/bufferstream.cpp
+++ b/src/io/bufferstream.cpp
@@ -56,9 +56,7 @@ BufferInputStream::BufferInputStream(
  *
  */
 BufferInputStream::~BufferInputStream()
-{
-
-}
+= default;
 
 /**
  * Returns the number of bytes that can be read (or skipped over) from
@@ -114,8 +112,7 @@ BufferOutputStream::BufferOutputStream()
  *
  */
 BufferOutputStream::~BufferOutputStream()
-{
-}
+= default;
 
 /**
  * Closes this output stream and releases any system resources
diff --git a/src/io/inkscapestream.h b/src/io/inkscapestream.h
index 536a121ce..da6d320d8 100644
--- a/src/io/inkscapestream.h
+++ b/src/io/inkscapestream.h
@@ -26,7 +26,7 @@ public:
     StreamException(Glib::ustring &theReason) throw()
         { reason = theReason; }
     ~StreamException() throw() override
-        {  }
+        = default;
     char const *what() const throw() override
         { return reason.c_str(); }
         
@@ -54,12 +54,12 @@ public:
     /**
      * Constructor.
      */
-    InputStream() {}
+    InputStream() = default;
 
     /**
      * Destructor
      */
-    virtual ~InputStream() {}
+    virtual ~InputStream() = default;
 
     /**
      * Return the number of bytes that are currently available
@@ -102,7 +102,7 @@ public:
 
     BasicInputStream(InputStream &sourceStream);
     
-    ~BasicInputStream() override {}
+    ~BasicInputStream() override = default;
     
     int available() override;
     
@@ -164,12 +164,12 @@ public:
     /**
      * Constructor.
      */
-    OutputStream() {}
+    OutputStream() = default;
 
     /**
      * Destructor
      */
-    virtual ~OutputStream() {}
+    virtual ~OutputStream() = default;
 
     /**
      * This call should
@@ -206,7 +206,7 @@ public:
 
     BasicOutputStream(OutputStream &destinationStream);
     
-    ~BasicOutputStream() override {}
+    ~BasicOutputStream() override = default;
 
     void close() override;
     
@@ -263,12 +263,12 @@ public:
     /**
      * Constructor.
      */
-    Reader() {}
+    Reader() = default;
 
     /**
      * Destructor
      */
-    virtual ~Reader() {}
+    virtual ~Reader() = default;
 
 
     virtual int available() = 0;
@@ -324,7 +324,7 @@ public:
 
     BasicReader(Reader &sourceStream);
     
-    ~BasicReader() override {}
+    ~BasicReader() override = default;
 
     int available() override;
     
@@ -459,12 +459,12 @@ public:
     /**
      * Constructor.
      */
-    Writer() {}
+    Writer() = default;
 
     /**
      * Destructor
      */
-    virtual ~Writer() {}
+    virtual ~Writer() = default;
 
     virtual void close() = 0;
     
@@ -517,7 +517,7 @@ public:
 
     BasicWriter(Writer &destinationWriter);
 
-    ~BasicWriter() override {}
+    ~BasicWriter() override = default;
 
     /*Overload these 3 for your implementation*/
     void close() override;
diff --git a/src/io/stringstream.cpp b/src/io/stringstream.cpp
index 5a76e24a3..62918ffa5 100644
--- a/src/io/stringstream.cpp
+++ b/src/io/stringstream.cpp
@@ -37,9 +37,7 @@ StringInputStream::StringInputStream(Glib::ustring &sourceString)
  *
  */ 
 StringInputStream::~StringInputStream()
-{
-
-}
+= default;
 
 /**
  * Returns the number of bytes that can be read (or skipped over) from
@@ -82,15 +80,13 @@ int StringInputStream::get()
  *
  */ 
 StringOutputStream::StringOutputStream()
-{
-}
+= default;
 
 /**
  *
  */ 
 StringOutputStream::~StringOutputStream()
-{
-}
+= default;
 
 /**
  * Closes this output stream and releases any system resources
diff --git a/src/libnrtype/FontFactory.h b/src/libnrtype/FontFactory.h
index 2f8907e27..eb1651f27 100644
--- a/src/libnrtype/FontFactory.h
+++ b/src/libnrtype/FontFactory.h
@@ -59,7 +59,7 @@ const char *sp_font_description_get_family(PangoFontDescription const *fontDescr
 class StyleNames {
 
 public:
-    StyleNames() {};
+    StyleNames() = default;;
     StyleNames( Glib::ustring name ) :
         CssName( name ), DisplayName( name ) {};
     StyleNames( Glib::ustring cssname, Glib::ustring displayname ) :
diff --git a/src/libnrtype/Layout-TNG-Scanline-Maker.h b/src/libnrtype/Layout-TNG-Scanline-Maker.h
index 786f44e51..dea9aa3c5 100644
--- a/src/libnrtype/Layout-TNG-Scanline-Maker.h
+++ b/src/libnrtype/Layout-TNG-Scanline-Maker.h
@@ -32,7 +32,7 @@ is a rectangle.
 class Layout::ScanlineMaker
 {
 public:
-    virtual ~ScanlineMaker() {}
+    virtual ~ScanlineMaker() = default;
 
     struct ScanRun {
         double y;  /// that's the top of the scan run, not the baseline
diff --git a/src/libnrtype/Layout-TNG-Scanline-Makers.cpp b/src/libnrtype/Layout-TNG-Scanline-Makers.cpp
index a57aaa3e4..f95846279 100644
--- a/src/libnrtype/Layout-TNG-Scanline-Makers.cpp
+++ b/src/libnrtype/Layout-TNG-Scanline-Makers.cpp
@@ -37,8 +37,7 @@ Layout::InfiniteScanlineMaker::InfiniteScanlineMaker(double initial_x, double in
 }
 
 Layout::InfiniteScanlineMaker::~InfiniteScanlineMaker()
-{
-}
+= default;
 
 std::vector<Layout::ScanlineMaker::ScanRun> Layout::InfiniteScanlineMaker::makeScanline(Layout::FontMetrics const &line_height)
 {
diff --git a/src/libnrtype/Layout-TNG.h b/src/libnrtype/Layout-TNG.h
index 6db6c1221..678f04e6c 100644
--- a/src/libnrtype/Layout-TNG.h
+++ b/src/libnrtype/Layout-TNG.h
@@ -694,7 +694,7 @@ private:
 
     class InputStreamItem {
     public:
-        virtual ~InputStreamItem() {}
+        virtual ~InputStreamItem() = default;
         virtual InputStreamItemType Type() =0;
         void *source_cookie;
     };
diff --git a/src/libnrtype/OpenTypeUtil.h b/src/libnrtype/OpenTypeUtil.h
index 0a249f123..ef32e76f3 100644
--- a/src/libnrtype/OpenTypeUtil.h
+++ b/src/libnrtype/OpenTypeUtil.h
@@ -21,7 +21,7 @@
 // OpenType substitution
 class OTSubstitution {
 public:
-    OTSubstitution() {};
+    OTSubstitution() = default;;
     Glib::ustring before;
     Glib::ustring input;
     Glib::ustring after;
diff --git a/src/line-geometry.cpp b/src/line-geometry.cpp
index 6e0f82d45..822b24d59 100644
--- a/src/line-geometry.cpp
+++ b/src/line-geometry.cpp
@@ -38,22 +38,10 @@ Line::Line(Geom::Point const &start, Geom::Point const &vec, bool is_endpoint):
     d0 = Geom::dot(normal, pt);
 }
 
-Line::Line(Line const &line):
-    pt(line.pt),
-    v_dir(line.v_dir),
-    normal(line.normal),
-    d0(line.d0)
-{
-}
+Line::Line(Line const &line)
+= default;
 
-Line &Line::operator=(Line const &line) {
-    pt = line.pt;
-    v_dir = line.v_dir;
-    normal = line.normal;
-    d0 = line.d0;
-
-    return *this;
-}
+Line &Line::operator=(Line const &line) = default;
 
 boost::optional<Geom::Point> Line::intersect(Line const &line) {
     Geom::Coord denom = Geom::dot(v_dir, line.normal);
diff --git a/src/line-geometry.h b/src/line-geometry.h
index 34c79d9dd..7c9958a90 100644
--- a/src/line-geometry.h
+++ b/src/line-geometry.h
@@ -27,7 +27,7 @@ class Line {
 public:
     Line(Geom::Point const &start, Geom::Point const &vec, bool is_endpoint = true);
     Line(Line const &line);
-    virtual ~Line() {}
+    virtual ~Line() = default;
     Line &operator=(Line const &line);
     virtual boost::optional<Geom::Point> intersect(Line const &line);
     inline Geom::Point direction () { return v_dir; }
diff --git a/src/livarot/float-line.cpp b/src/livarot/float-line.cpp
index e5350edc6..aa2db08fc 100644
--- a/src/livarot/float-line.cpp
+++ b/src/livarot/float-line.cpp
@@ -24,8 +24,7 @@ FloatLigne::FloatLigne()
 
 
 FloatLigne::~FloatLigne()
-{
-}
+= default;
 
 /// Reset the line to  empty (boundaries and runs).
 void FloatLigne::Reset()
diff --git a/src/livarot/path-description.h b/src/livarot/path-description.h
index ed978d4c2..5ded5167e 100644
--- a/src/livarot/path-description.h
+++ b/src/livarot/path-description.h
@@ -27,7 +27,7 @@ struct PathDescr
 {
   PathDescr() : flags(0), associated(-1), tSt(0), tEn(1) {}
   PathDescr(int f) : flags(f), associated(-1), tSt(0), tEn(1) {}
-  virtual ~PathDescr() {}
+  virtual ~PathDescr() = default;
 
   int getType() const { return flags & descr_type_mask; }
   void setType(int t) {
diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp
index bef7a1e3f..6251740d5 100644
--- a/src/live_effects/effect.cpp
+++ b/src/live_effects/effect.cpp
@@ -410,8 +410,7 @@ Effect::Effect(LivePathEffectObject *lpeobject)
 }
 
 Effect::~Effect()
-{
-}
+= default;
 
 Glib::ustring
 Effect::getName() const
diff --git a/src/live_effects/lpe-angle_bisector.cpp b/src/live_effects/lpe-angle_bisector.cpp
index 150bb4124..f7c7928c6 100644
--- a/src/live_effects/lpe-angle_bisector.cpp
+++ b/src/live_effects/lpe-angle_bisector.cpp
@@ -50,8 +50,7 @@ LPEAngleBisector::LPEAngleBisector(LivePathEffectObject *lpeobject) :
 }
 
 LPEAngleBisector::~LPEAngleBisector()
-{
-}
+= default;
 
 Geom::PathVector
 LPEAngleBisector::doEffect_path (Geom::PathVector const & path_in)
diff --git a/src/live_effects/lpe-attach-path.cpp b/src/live_effects/lpe-attach-path.cpp
index ea2965c6a..9ab832c5e 100644
--- a/src/live_effects/lpe-attach-path.cpp
+++ b/src/live_effects/lpe-attach-path.cpp
@@ -42,9 +42,7 @@ LPEAttachPath::LPEAttachPath(LivePathEffectObject *lpeobject) :
 }
 
 LPEAttachPath::~LPEAttachPath()
-{
-
-}
+= default;
 
 void LPEAttachPath::resetDefaults(SPItem const * /*item*/)
 {
diff --git a/src/live_effects/lpe-bendpath.cpp b/src/live_effects/lpe-bendpath.cpp
index 69415cf4e..6bf555156 100644
--- a/src/live_effects/lpe-bendpath.cpp
+++ b/src/live_effects/lpe-bendpath.cpp
@@ -78,9 +78,7 @@ LPEBendPath::LPEBendPath(LivePathEffectObject *lpeobject) :
 }
 
 LPEBendPath::~LPEBendPath()
-{
-
-}
+= default;
 
 void
 LPEBendPath::doBeforeEffect (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-bool.cpp b/src/live_effects/lpe-bool.cpp
index 865968b30..eb8918555 100644
--- a/src/live_effects/lpe-bool.cpp
+++ b/src/live_effects/lpe-bool.cpp
@@ -86,9 +86,7 @@ LPEBool::LPEBool(LivePathEffectObject *lpeobject) :
 }
 
 LPEBool::~LPEBool()
-{
-
-}
+= default;
 
 void LPEBool::resetDefaults(SPItem const * /*item*/)
 {
diff --git a/src/live_effects/lpe-bounding-box.cpp b/src/live_effects/lpe-bounding-box.cpp
index ba519f1c6..b7b2e596d 100644
--- a/src/live_effects/lpe-bounding-box.cpp
+++ b/src/live_effects/lpe-bounding-box.cpp
@@ -25,9 +25,7 @@ LPEBoundingBox::LPEBoundingBox(LivePathEffectObject *lpeobject) :
 }
 
 LPEBoundingBox::~LPEBoundingBox()
-{
-
-}
+= default;
 
 void LPEBoundingBox::doEffect (SPCurve * curve)
 {
diff --git a/src/live_effects/lpe-bspline.cpp b/src/live_effects/lpe-bspline.cpp
index 04182e84b..77c5ae66c 100644
--- a/src/live_effects/lpe-bspline.cpp
+++ b/src/live_effects/lpe-bspline.cpp
@@ -56,7 +56,7 @@ LPEBSpline::LPEBSpline(LivePathEffectObject *lpeobject)
     helper_size.param_set_digits(2);
 }
 
-LPEBSpline::~LPEBSpline() {}
+LPEBSpline::~LPEBSpline() = default;
 
 void LPEBSpline::doBeforeEffect (SPLPEItem const* /*lpeitem*/)
 {
diff --git a/src/live_effects/lpe-circle_3pts.cpp b/src/live_effects/lpe-circle_3pts.cpp
index c49d5ca4d..2f601fb00 100644
--- a/src/live_effects/lpe-circle_3pts.cpp
+++ b/src/live_effects/lpe-circle_3pts.cpp
@@ -29,8 +29,7 @@ LPECircle3Pts::LPECircle3Pts(LivePathEffectObject *lpeobject) :
 }
 
 LPECircle3Pts::~LPECircle3Pts()
-{
-}
+= default;
 
 static void _circle3(Geom::Point const &A, Geom::Point const &B, Geom::Point const &C, Geom::PathVector &path_out) {
     using namespace Geom;
diff --git a/src/live_effects/lpe-circle_with_radius.cpp b/src/live_effects/lpe-circle_with_radius.cpp
index fcefc4ec6..99ade0da1 100644
--- a/src/live_effects/lpe-circle_with_radius.cpp
+++ b/src/live_effects/lpe-circle_with_radius.cpp
@@ -35,9 +35,7 @@ LPECircleWithRadius::LPECircleWithRadius(LivePathEffectObject *lpeobject) :
 }
 
 LPECircleWithRadius::~LPECircleWithRadius()
-{
-
-}
+= default;
 
 Geom::PathVector
 LPECircleWithRadius::doEffect_path (Geom::PathVector const & path_in)
diff --git a/src/live_effects/lpe-constructgrid.cpp b/src/live_effects/lpe-constructgrid.cpp
index db620fa95..4759dde5f 100644
--- a/src/live_effects/lpe-constructgrid.cpp
+++ b/src/live_effects/lpe-constructgrid.cpp
@@ -34,9 +34,7 @@ LPEConstructGrid::LPEConstructGrid(LivePathEffectObject *lpeobject) :
 }
 
 LPEConstructGrid::~LPEConstructGrid()
-{
-
-}
+= default;
 
 Geom::PathVector
 LPEConstructGrid::doEffect_path (Geom::PathVector const & path_in)
diff --git a/src/live_effects/lpe-copy_rotate.cpp b/src/live_effects/lpe-copy_rotate.cpp
index 909bd411e..f74e76211 100644
--- a/src/live_effects/lpe-copy_rotate.cpp
+++ b/src/live_effects/lpe-copy_rotate.cpp
@@ -104,9 +104,7 @@ LPECopyRotate::LPECopyRotate(LivePathEffectObject *lpeobject) :
 }
 
 LPECopyRotate::~LPECopyRotate()
-{
-
-}
+= default;
 
 void
 LPECopyRotate::doAfterEffect (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-curvestitch.cpp b/src/live_effects/lpe-curvestitch.cpp
index 1ee29bbaf..d5947be4d 100644
--- a/src/live_effects/lpe-curvestitch.cpp
+++ b/src/live_effects/lpe-curvestitch.cpp
@@ -60,9 +60,7 @@ LPECurveStitch::LPECurveStitch(LivePathEffectObject *lpeobject) :
 }
 
 LPECurveStitch::~LPECurveStitch()
-{
-
-}
+= default;
 
 Geom::PathVector
 LPECurveStitch::doEffect_path (Geom::PathVector const & path_in)
diff --git a/src/live_effects/lpe-dash-stroke.cpp b/src/live_effects/lpe-dash-stroke.cpp
index 43aa04e11..dd30d05a4 100644
--- a/src/live_effects/lpe-dash-stroke.cpp
+++ b/src/live_effects/lpe-dash-stroke.cpp
@@ -36,7 +36,7 @@ LPEDashStroke::LPEDashStroke(LivePathEffectObject *lpeobject)
     message.param_set_min_height(30);
 }
 
-LPEDashStroke::~LPEDashStroke() {}
+LPEDashStroke::~LPEDashStroke() = default;
 
 void
 LPEDashStroke::doBeforeEffect (SPLPEItem const* lpeitem){
diff --git a/src/live_effects/lpe-dynastroke.cpp b/src/live_effects/lpe-dynastroke.cpp
index d0655d9bd..276fd10df 100644
--- a/src/live_effects/lpe-dynastroke.cpp
+++ b/src/live_effects/lpe-dynastroke.cpp
@@ -77,9 +77,7 @@ LPEDynastroke::LPEDynastroke(LivePathEffectObject *lpeobject) :
 }
 
 LPEDynastroke::~LPEDynastroke()
-{
-
-}
+= default;
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
 LPEDynastroke::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
diff --git a/src/live_effects/lpe-ellipse_5pts.cpp b/src/live_effects/lpe-ellipse_5pts.cpp
index 28e7058d7..5f89644f5 100644
--- a/src/live_effects/lpe-ellipse_5pts.cpp
+++ b/src/live_effects/lpe-ellipse_5pts.cpp
@@ -31,8 +31,7 @@ LPEEllipse5Pts::LPEEllipse5Pts(LivePathEffectObject *lpeobject) :
 }
 
 LPEEllipse5Pts::~LPEEllipse5Pts()
-{
-}
+= default;
 
 static double _det3(double (*mat)[3])
 {
diff --git a/src/live_effects/lpe-embrodery-stitch.cpp b/src/live_effects/lpe-embrodery-stitch.cpp
index 972d29b9c..00d1928d7 100644
--- a/src/live_effects/lpe-embrodery-stitch.cpp
+++ b/src/live_effects/lpe-embrodery-stitch.cpp
@@ -81,9 +81,7 @@ LPEEmbroderyStitch::LPEEmbroderyStitch(LivePathEffectObject *lpeobject) :
 }
 
 LPEEmbroderyStitch::~LPEEmbroderyStitch()
-{
-
-}
+= default;
 
 double LPEEmbroderyStitch::GetPatternInitialStep(int pattern, int line)
 {
diff --git a/src/live_effects/lpe-envelope.cpp b/src/live_effects/lpe-envelope.cpp
index 0dcae51e4..6fc9084f8 100644
--- a/src/live_effects/lpe-envelope.cpp
+++ b/src/live_effects/lpe-envelope.cpp
@@ -34,9 +34,7 @@ LPEEnvelope::LPEEnvelope(LivePathEffectObject *lpeobject) :
 }
 
 LPEEnvelope::~LPEEnvelope()
-{
-
-}
+= default;
 
 void
 LPEEnvelope::doBeforeEffect (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-extrude.cpp b/src/live_effects/lpe-extrude.cpp
index 0b144053e..53ecc8dfd 100644
--- a/src/live_effects/lpe-extrude.cpp
+++ b/src/live_effects/lpe-extrude.cpp
@@ -31,9 +31,7 @@ LPEExtrude::LPEExtrude(LivePathEffectObject *lpeobject) :
 }
 
 LPEExtrude::~LPEExtrude()
-{
-
-}
+= default;
 
 static bool are_colinear(Geom::Point a, Geom::Point b) {
     return Geom::are_near(cross(a,b), 0., 0.5);
diff --git a/src/live_effects/lpe-fill-between-many.cpp b/src/live_effects/lpe-fill-between-many.cpp
index 389ddf007..886b840e6 100644
--- a/src/live_effects/lpe-fill-between-many.cpp
+++ b/src/live_effects/lpe-fill-between-many.cpp
@@ -51,9 +51,7 @@ LPEFillBetweenMany::LPEFillBetweenMany(LivePathEffectObject *lpeobject) :
 }
 
 LPEFillBetweenMany::~LPEFillBetweenMany()
-{
-
-}
+= default;
 
 void LPEFillBetweenMany::doOnApply (SPLPEItem const* lpeitem)
 {
diff --git a/src/live_effects/lpe-fill-between-strokes.cpp b/src/live_effects/lpe-fill-between-strokes.cpp
index 5f327b6a4..22dfe7e54 100644
--- a/src/live_effects/lpe-fill-between-strokes.cpp
+++ b/src/live_effects/lpe-fill-between-strokes.cpp
@@ -34,9 +34,7 @@ LPEFillBetweenStrokes::LPEFillBetweenStrokes(LivePathEffectObject *lpeobject) :
 }
 
 LPEFillBetweenStrokes::~LPEFillBetweenStrokes()
-{
-
-}
+= default;
 
 void LPEFillBetweenStrokes::doEffect (SPCurve * curve)
 {
diff --git a/src/live_effects/lpe-gears.cpp b/src/live_effects/lpe-gears.cpp
index dad520041..4566869fe 100644
--- a/src/live_effects/lpe-gears.cpp
+++ b/src/live_effects/lpe-gears.cpp
@@ -225,9 +225,7 @@ LPEGears::LPEGears(LivePathEffectObject *lpeobject) :
 }
 
 LPEGears::~LPEGears()
-{
-
-}
+= default;
 
 Geom::PathVector
 LPEGears::doEffect_path (Geom::PathVector const &path_in)
diff --git a/src/live_effects/lpe-interpolate.cpp b/src/live_effects/lpe-interpolate.cpp
index 70bc92a27..dabad013f 100644
--- a/src/live_effects/lpe-interpolate.cpp
+++ b/src/live_effects/lpe-interpolate.cpp
@@ -41,9 +41,7 @@ LPEInterpolate::LPEInterpolate(LivePathEffectObject *lpeobject) :
 }
 
 LPEInterpolate::~LPEInterpolate()
-{
-
-}
+= default;
 
 /*
  * interpolate path_in[0] to path_in[1]
diff --git a/src/live_effects/lpe-interpolate_points.cpp b/src/live_effects/lpe-interpolate_points.cpp
index 7d4c88dc1..937b92837 100644
--- a/src/live_effects/lpe-interpolate_points.cpp
+++ b/src/live_effects/lpe-interpolate_points.cpp
@@ -43,8 +43,7 @@ LPEInterpolatePoints::LPEInterpolatePoints(LivePathEffectObject *lpeobject)
 }
 
 LPEInterpolatePoints::~LPEInterpolatePoints()
-{
-}
+= default;
 
 
 Geom::PathVector
diff --git a/src/live_effects/lpe-jointype.cpp b/src/live_effects/lpe-jointype.cpp
index b58fd01da..3b233fb51 100644
--- a/src/live_effects/lpe-jointype.cpp
+++ b/src/live_effects/lpe-jointype.cpp
@@ -80,8 +80,7 @@ LPEJoinType::LPEJoinType(LivePathEffectObject *lpeobject) :
 }
 
 LPEJoinType::~LPEJoinType()
-{
-}
+= default;
 
 //from LPEPowerStroke -- sets fill if stroke color because we will
 //be converting to a fill to make the new join.
diff --git a/src/live_effects/lpe-knot.cpp b/src/live_effects/lpe-knot.cpp
index 8522444c6..3640e8e43 100644
--- a/src/live_effects/lpe-knot.cpp
+++ b/src/live_effects/lpe-knot.cpp
@@ -368,9 +368,7 @@ LPEKnot::LPEKnot(LivePathEffectObject *lpeobject) :
 }
 
 LPEKnot::~LPEKnot()
-{
-
-}
+= default;
 
 void
 LPEKnot::updateSwitcher(){
diff --git a/src/live_effects/lpe-lattice.cpp b/src/live_effects/lpe-lattice.cpp
index df4da4590..223afa4cd 100644
--- a/src/live_effects/lpe-lattice.cpp
+++ b/src/live_effects/lpe-lattice.cpp
@@ -71,9 +71,7 @@ LPELattice::LPELattice(LivePathEffectObject *lpeobject) :
 }
 
 LPELattice::~LPELattice()
-{
-
-}
+= default;
 
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
diff --git a/src/live_effects/lpe-lattice2.cpp b/src/live_effects/lpe-lattice2.cpp
index ae9ec0361..79cb1e32a 100644
--- a/src/live_effects/lpe-lattice2.cpp
+++ b/src/live_effects/lpe-lattice2.cpp
@@ -98,8 +98,7 @@ LPELattice2::LPELattice2(LivePathEffectObject *lpeobject) :
 }
 
 LPELattice2::~LPELattice2()
-{
-}
+= default;
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
 LPELattice2::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
diff --git a/src/live_effects/lpe-line_segment.cpp b/src/live_effects/lpe-line_segment.cpp
index fd23da804..535fc2f47 100644
--- a/src/live_effects/lpe-line_segment.cpp
+++ b/src/live_effects/lpe-line_segment.cpp
@@ -36,9 +36,7 @@ LPELineSegment::LPELineSegment(LivePathEffectObject *lpeobject) :
 }
 
 LPELineSegment::~LPELineSegment()
-{
-
-}
+= default;
 
 void
 LPELineSegment::doBeforeEffect (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-mirror_symmetry.cpp b/src/live_effects/lpe-mirror_symmetry.cpp
index 66f00689a..ae205dfc0 100644
--- a/src/live_effects/lpe-mirror_symmetry.cpp
+++ b/src/live_effects/lpe-mirror_symmetry.cpp
@@ -84,8 +84,7 @@ LPEMirrorSymmetry::LPEMirrorSymmetry(LivePathEffectObject *lpeobject) :
 }
 
 LPEMirrorSymmetry::~LPEMirrorSymmetry()
-{
-}
+= default;
 
 void
 LPEMirrorSymmetry::doAfterEffect (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-offset.cpp b/src/live_effects/lpe-offset.cpp
index 91ea9df74..aa72ef195 100644
--- a/src/live_effects/lpe-offset.cpp
+++ b/src/live_effects/lpe-offset.cpp
@@ -96,8 +96,7 @@ LPEOffset::LPEOffset(LivePathEffectObject *lpeobject) :
 }
 
 LPEOffset::~LPEOffset()
-{
-}
+= default;
 
 static void
 sp_flatten(Geom::PathVector &pathvector, bool evenodd)
diff --git a/src/live_effects/lpe-parallel.cpp b/src/live_effects/lpe-parallel.cpp
index 7c6de10bb..e927d758f 100644
--- a/src/live_effects/lpe-parallel.cpp
+++ b/src/live_effects/lpe-parallel.cpp
@@ -57,9 +57,7 @@ LPEParallel::LPEParallel(LivePathEffectObject *lpeobject) :
 }
 
 LPEParallel::~LPEParallel()
-{
-
-}
+= default;
 
 void
 LPEParallel::doOnApply (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-path_length.cpp b/src/live_effects/lpe-path_length.cpp
index 61818a73b..b9a5282b2 100644
--- a/src/live_effects/lpe-path_length.cpp
+++ b/src/live_effects/lpe-path_length.cpp
@@ -33,9 +33,7 @@ LPEPathLength::LPEPathLength(LivePathEffectObject *lpeobject) :
 }
 
 LPEPathLength::~LPEPathLength()
-{
-
-}
+= default;
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
 LPEPathLength::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
diff --git a/src/live_effects/lpe-patternalongpath.cpp b/src/live_effects/lpe-patternalongpath.cpp
index dd052c796..41b0b144a 100644
--- a/src/live_effects/lpe-patternalongpath.cpp
+++ b/src/live_effects/lpe-patternalongpath.cpp
@@ -112,9 +112,7 @@ LPEPatternAlongPath::LPEPatternAlongPath(LivePathEffectObject *lpeobject) :
 }
 
 LPEPatternAlongPath::~LPEPatternAlongPath()
-{
-
-}
+= default;
 
 void
 LPEPatternAlongPath::doBeforeEffect (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-perp_bisector.cpp b/src/live_effects/lpe-perp_bisector.cpp
index 6fa874a4d..48a7f5278 100644
--- a/src/live_effects/lpe-perp_bisector.cpp
+++ b/src/live_effects/lpe-perp_bisector.cpp
@@ -105,8 +105,7 @@ LPEPerpBisector::LPEPerpBisector(LivePathEffectObject *lpeobject) :
 }
 
 LPEPerpBisector::~LPEPerpBisector()
-{
-}
+= default;
 
 void
 LPEPerpBisector::doOnApply (SPLPEItem const*/*lpeitem*/)
diff --git a/src/live_effects/lpe-perspective-envelope.cpp b/src/live_effects/lpe-perspective-envelope.cpp
index dcbf3fee7..24b0e8b01 100644
--- a/src/live_effects/lpe-perspective-envelope.cpp
+++ b/src/live_effects/lpe-perspective-envelope.cpp
@@ -64,8 +64,7 @@ LPEPerspectiveEnvelope::LPEPerspectiveEnvelope(LivePathEffectObject *lpeobject)
 }
 
 LPEPerspectiveEnvelope::~LPEPerspectiveEnvelope()
-{
-}
+= default;
 
 void LPEPerspectiveEnvelope::doEffect(SPCurve *curve)
 {
diff --git a/src/live_effects/lpe-perspective_path.cpp b/src/live_effects/lpe-perspective_path.cpp
index 857bd2952..8699731f1 100644
--- a/src/live_effects/lpe-perspective_path.cpp
+++ b/src/live_effects/lpe-perspective_path.cpp
@@ -66,9 +66,7 @@ LPEPerspectivePath::LPEPerspectivePath(LivePathEffectObject *lpeobject) :
 }
 
 LPEPerspectivePath::~LPEPerspectivePath()
-{
-
-}
+= default;
 void
 LPEPerspectivePath::doOnApply(SPLPEItem const* lpeitem)
 {
diff --git a/src/live_effects/lpe-powerclip.cpp b/src/live_effects/lpe-powerclip.cpp
index 35da3bd26..9e5da13cd 100644
--- a/src/live_effects/lpe-powerclip.cpp
+++ b/src/live_effects/lpe-powerclip.cpp
@@ -42,7 +42,7 @@ LPEPowerClip::LPEPowerClip(LivePathEffectObject *lpeobject)
     convert_shapes = false;
 }
 
-LPEPowerClip::~LPEPowerClip() {}
+LPEPowerClip::~LPEPowerClip() = default;
 
 void
 LPEPowerClip::doBeforeEffect (SPLPEItem const* lpeitem){
diff --git a/src/live_effects/lpe-powermask.cpp b/src/live_effects/lpe-powermask.cpp
index ac3a1dd76..72cb75dab 100644
--- a/src/live_effects/lpe-powermask.cpp
+++ b/src/live_effects/lpe-powermask.cpp
@@ -46,7 +46,7 @@ LPEPowerMask::LPEPowerMask(LivePathEffectObject *lpeobject)
     previous_color = background_color.get_value();
 }
 
-LPEPowerMask::~LPEPowerMask() {}
+LPEPowerMask::~LPEPowerMask() = default;
 
 void
 LPEPowerMask::doBeforeEffect (SPLPEItem const* lpeitem){
diff --git a/src/live_effects/lpe-powerstroke-interpolators.h b/src/live_effects/lpe-powerstroke-interpolators.h
index ce792302f..33c587a53 100644
--- a/src/live_effects/lpe-powerstroke-interpolators.h
+++ b/src/live_effects/lpe-powerstroke-interpolators.h
@@ -34,8 +34,8 @@ enum InterpolatorType {
 
 class Interpolator {
 public:
-    Interpolator() {};
-    virtual ~Interpolator() {};
+    Interpolator() = default;;
+    virtual ~Interpolator() = default;;
 
     static Interpolator* create(InterpolatorType type);
 
@@ -48,8 +48,8 @@ private:
 
 class Linear : public Interpolator {
 public:
-    Linear() {};
-    ~Linear() override {};
+    Linear() = default;;
+    ~Linear() override = default;;
 
     Path interpolateToPath(std::vector<Point> const &points) const override {
         Path path;
@@ -68,8 +68,8 @@ private:
 // this class is terrible
 class CubicBezierFit : public Interpolator {
 public:
-    CubicBezierFit() {};
-    ~CubicBezierFit() override {};
+    CubicBezierFit() = default;;
+    ~CubicBezierFit() override = default;;
 
     Path interpolateToPath(std::vector<Point> const &points) const override {
         unsigned int n_points = points.size();
@@ -110,7 +110,7 @@ public:
     CubicBezierJohan(double beta = 0.2) {
         _beta = beta;
     };
-    ~CubicBezierJohan() override {};
+    ~CubicBezierJohan() override = default;;
 
     Path interpolateToPath(std::vector<Point> const &points) const override {
         Path fit;
@@ -141,7 +141,7 @@ public:
     CubicBezierSmooth(double beta = 0.2) {
         _beta = beta;
     };
-    ~CubicBezierSmooth() override {};
+    ~CubicBezierSmooth() override = default;;
 
     Path interpolateToPath(std::vector<Point> const &points) const override {
         Path fit;
@@ -175,8 +175,8 @@ private:
 
 class SpiroInterpolator : public Interpolator {
 public:
-    SpiroInterpolator() {};
-    ~SpiroInterpolator() override {};
+    SpiroInterpolator() = default;;
+    ~SpiroInterpolator() override = default;;
 
     Path interpolateToPath(std::vector<Point> const &points) const override {
         Path fit;
@@ -209,8 +209,8 @@ private:
 // Quick mockup for testing the behavior for powerstroke controlpoint interpolation
 class CentripetalCatmullRomInterpolator : public Interpolator {
 public:
-    CentripetalCatmullRomInterpolator() {};
-    ~CentripetalCatmullRomInterpolator() override {};
+    CentripetalCatmullRomInterpolator() = default;;
+    ~CentripetalCatmullRomInterpolator() override = default;;
 
     Path interpolateToPath(std::vector<Point> const &points) const override {
         unsigned int n_points = points.size();
diff --git a/src/live_effects/lpe-powerstroke.cpp b/src/live_effects/lpe-powerstroke.cpp
index ce240ab1e..32f9a6b82 100644
--- a/src/live_effects/lpe-powerstroke.cpp
+++ b/src/live_effects/lpe-powerstroke.cpp
@@ -200,9 +200,7 @@ LPEPowerStroke::LPEPowerStroke(LivePathEffectObject *lpeobject) :
 }
 
 LPEPowerStroke::~LPEPowerStroke()
-{
-
-}
+= default;
 void 
 LPEPowerStroke::doBeforeEffect(SPLPEItem const *lpeItem)
 {
diff --git a/src/live_effects/lpe-pts2ellipse.cpp b/src/live_effects/lpe-pts2ellipse.cpp
index 4fd145646..2df3b2001 100644
--- a/src/live_effects/lpe-pts2ellipse.cpp
+++ b/src/live_effects/lpe-pts2ellipse.cpp
@@ -69,8 +69,7 @@ LPEPts2Ellipse::LPEPts2Ellipse(LivePathEffectObject *lpeobject) :
 }
 
 LPEPts2Ellipse::~LPEPts2Ellipse()
-{
-}
+= default;
 
 // helper function, transforms a given value into range [0, 2pi]
 inline double
diff --git a/src/live_effects/lpe-recursiveskeleton.cpp b/src/live_effects/lpe-recursiveskeleton.cpp
index 47613f58e..75a08c250 100644
--- a/src/live_effects/lpe-recursiveskeleton.cpp
+++ b/src/live_effects/lpe-recursiveskeleton.cpp
@@ -33,9 +33,7 @@ LPERecursiveSkeleton::LPERecursiveSkeleton(LivePathEffectObject *lpeobject) :
 }
 
 LPERecursiveSkeleton::~LPERecursiveSkeleton()
-{
-
-}
+= default;
 
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
diff --git a/src/live_effects/lpe-rough-hatches.cpp b/src/live_effects/lpe-rough-hatches.cpp
index 79ce89c9f..80dbbc54e 100644
--- a/src/live_effects/lpe-rough-hatches.cpp
+++ b/src/live_effects/lpe-rough-hatches.cpp
@@ -282,9 +282,7 @@ LPERoughHatches::LPERoughHatches(LivePathEffectObject *lpeobject) :
 }
 
 LPERoughHatches::~LPERoughHatches()
-{
-
-}
+= default;
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
 LPERoughHatches::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in){
diff --git a/src/live_effects/lpe-roughen.cpp b/src/live_effects/lpe-roughen.cpp
index 37a94343b..de3ccef25 100644
--- a/src/live_effects/lpe-roughen.cpp
+++ b/src/live_effects/lpe-roughen.cpp
@@ -88,7 +88,7 @@ LPERoughen::LPERoughen(LivePathEffectObject *lpeobject)
     apply_to_clippath_and_mask = true;
 }
 
-LPERoughen::~LPERoughen() {}
+LPERoughen::~LPERoughen() = default;
 
 void LPERoughen::doBeforeEffect(SPLPEItem const *lpeitem)
 {
diff --git a/src/live_effects/lpe-ruler.cpp b/src/live_effects/lpe-ruler.cpp
index 0cda15b81..8d625f88e 100644
--- a/src/live_effects/lpe-ruler.cpp
+++ b/src/live_effects/lpe-ruler.cpp
@@ -65,9 +65,7 @@ LPERuler::LPERuler(LivePathEffectObject *lpeobject) :
 }
 
 LPERuler::~LPERuler()
-{
-
-}
+= default;
 
 Geom::Point LPERuler::n_major;
 Geom::Point LPERuler::n_minor;
diff --git a/src/live_effects/lpe-show_handles.h b/src/live_effects/lpe-show_handles.h
index a5256548c..0ea9c142f 100644
--- a/src/live_effects/lpe-show_handles.h
+++ b/src/live_effects/lpe-show_handles.h
@@ -20,7 +20,7 @@ class LPEShowHandles : public Effect , GroupBBoxEffect {
 
 public:
     LPEShowHandles(LivePathEffectObject *lpeobject);
-    ~LPEShowHandles() override {}
+    ~LPEShowHandles() override = default;
 
     void doOnApply(SPLPEItem const* lpeitem) override;
 
diff --git a/src/live_effects/lpe-simplify.cpp b/src/live_effects/lpe-simplify.cpp
index e640475dc..bcd0e1009 100644
--- a/src/live_effects/lpe-simplify.cpp
+++ b/src/live_effects/lpe-simplify.cpp
@@ -55,7 +55,7 @@ LPESimplify::LPESimplify(LivePathEffectObject *lpeobject)
     apply_to_clippath_and_mask = true;
 }
 
-LPESimplify::~LPESimplify() {}
+LPESimplify::~LPESimplify() = default;
 
 void
 LPESimplify::doBeforeEffect (SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-skeleton.cpp b/src/live_effects/lpe-skeleton.cpp
index d3c94269a..266ba2204 100644
--- a/src/live_effects/lpe-skeleton.cpp
+++ b/src/live_effects/lpe-skeleton.cpp
@@ -41,9 +41,7 @@ LPESkeleton::LPESkeleton(LivePathEffectObject *lpeobject) :
 }
 
 LPESkeleton::~LPESkeleton()
-{
-
-}
+= default;
 
 
 /* ########################
diff --git a/src/live_effects/lpe-sketch.cpp b/src/live_effects/lpe-sketch.cpp
index 1d8f7703e..4ddc56803 100644
--- a/src/live_effects/lpe-sketch.cpp
+++ b/src/live_effects/lpe-sketch.cpp
@@ -113,9 +113,7 @@ LPESketch::LPESketch(LivePathEffectObject *lpeobject) :
 }
 
 LPESketch::~LPESketch()
-{
-
-}
+= default;
 
 /*
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
diff --git a/src/live_effects/lpe-spiro.cpp b/src/live_effects/lpe-spiro.cpp
index 8ea57bee4..9d0c9476f 100644
--- a/src/live_effects/lpe-spiro.cpp
+++ b/src/live_effects/lpe-spiro.cpp
@@ -26,8 +26,7 @@ LPESpiro::LPESpiro(LivePathEffectObject *lpeobject) :
 }
 
 LPESpiro::~LPESpiro()
-{
-}
+= default;
 
 void
 LPESpiro::doEffect(SPCurve * curve)
diff --git a/src/live_effects/lpe-tangent_to_curve.cpp b/src/live_effects/lpe-tangent_to_curve.cpp
index 6c34fc9e6..38410d45e 100644
--- a/src/live_effects/lpe-tangent_to_curve.cpp
+++ b/src/live_effects/lpe-tangent_to_curve.cpp
@@ -69,8 +69,7 @@ LPETangentToCurve::LPETangentToCurve(LivePathEffectObject *lpeobject) :
 }
 
 LPETangentToCurve::~LPETangentToCurve()
-{
-}
+= default;
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
 LPETangentToCurve::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
diff --git a/src/live_effects/lpe-taperstroke.h b/src/live_effects/lpe-taperstroke.h
index 5e650b9ac..518f7a1d0 100644
--- a/src/live_effects/lpe-taperstroke.h
+++ b/src/live_effects/lpe-taperstroke.h
@@ -28,7 +28,7 @@ class KnotHolderEntityAttachEnd;
 class LPETaperStroke : public Effect {
 public:
     LPETaperStroke(LivePathEffectObject *lpeobject);
-    ~LPETaperStroke() override {}
+    ~LPETaperStroke() override = default;
 
     void doOnApply(SPLPEItem const* lpeitem) override;
     void doOnRemove(SPLPEItem const* lpeitem) override;
diff --git a/src/live_effects/lpe-test-doEffect-stack.cpp b/src/live_effects/lpe-test-doEffect-stack.cpp
index c484c88a2..d02a26fe4 100644
--- a/src/live_effects/lpe-test-doEffect-stack.cpp
+++ b/src/live_effects/lpe-test-doEffect-stack.cpp
@@ -30,9 +30,7 @@ LPEdoEffectStackTest::LPEdoEffectStackTest(LivePathEffectObject *lpeobject) :
 }
 
 LPEdoEffectStackTest::~LPEdoEffectStackTest()
-{
-
-}
+= default;
 
 void
 LPEdoEffectStackTest::doEffect (SPCurve * curve)
diff --git a/src/live_effects/lpe-text_label.cpp b/src/live_effects/lpe-text_label.cpp
index 0c1db2f04..b2845930c 100644
--- a/src/live_effects/lpe-text_label.cpp
+++ b/src/live_effects/lpe-text_label.cpp
@@ -27,9 +27,7 @@ LPETextLabel::LPETextLabel(LivePathEffectObject *lpeobject) :
 }
 
 LPETextLabel::~LPETextLabel()
-{
-
-}
+= default;
 
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
 LPETextLabel::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
diff --git a/src/live_effects/lpe-transform_2pts.cpp b/src/live_effects/lpe-transform_2pts.cpp
index 47f8864ce..eac52943a 100644
--- a/src/live_effects/lpe-transform_2pts.cpp
+++ b/src/live_effects/lpe-transform_2pts.cpp
@@ -82,8 +82,7 @@ LPETransform2Pts::LPETransform2Pts(LivePathEffectObject *lpeobject) :
 }
 
 LPETransform2Pts::~LPETransform2Pts()
-{
-}
+= default;
 
 void
 LPETransform2Pts::doOnApply(SPLPEItem const* lpeitem)
diff --git a/src/live_effects/lpe-vonkoch.cpp b/src/live_effects/lpe-vonkoch.cpp
index 33460aa2d..33db7c14a 100644
--- a/src/live_effects/lpe-vonkoch.cpp
+++ b/src/live_effects/lpe-vonkoch.cpp
@@ -70,9 +70,7 @@ LPEVonKoch::LPEVonKoch(LivePathEffectObject *lpeobject) :
 }
 
 LPEVonKoch::~LPEVonKoch()
-{
-
-}
+= default;
 
 Geom::PathVector
 LPEVonKoch::doEffect_path (Geom::PathVector const & path_in)
diff --git a/src/live_effects/lpe-vonkoch.h b/src/live_effects/lpe-vonkoch.h
index 1ee9acce0..6ff5b6ae3 100644
--- a/src/live_effects/lpe-vonkoch.h
+++ b/src/live_effects/lpe-vonkoch.h
@@ -26,7 +26,7 @@ public:
 		       Inkscape::UI::Widget::Registry* wr,
 		       Effect* effect,
 		       const gchar * default_value = "M0,0 L1,1"):PathParam(label,tip,key,wr,effect,default_value){}
-    ~VonKochPathParam() override{}
+    ~VonKochPathParam() override= default;
     void param_setup_nodepath(Inkscape::NodePath::Path *np) override;  
   };
 
@@ -39,7 +39,7 @@ public:
 		       Inkscape::UI::Widget::Registry* wr,
 		       Effect* effect,
 		       const gchar * default_value = "M0,0 L1,1"):PathParam(label,tip,key,wr,effect,default_value){}
-    ~VonKochRefPathParam() override{}
+    ~VonKochRefPathParam() override= default;
     void param_setup_nodepath(Inkscape::NodePath::Path *np) override;  
     bool param_readSVGValue(const gchar * strvalue) override;  
   };
diff --git a/src/live_effects/lpeobject.cpp b/src/live_effects/lpeobject.cpp
index c05d00d60..561f4e79a 100644
--- a/src/live_effects/lpeobject.cpp
+++ b/src/live_effects/lpeobject.cpp
@@ -39,8 +39,7 @@ LivePathEffectObject::LivePathEffectObject()
 #endif
 }
 
-LivePathEffectObject::~LivePathEffectObject() {
-}
+LivePathEffectObject::~LivePathEffectObject() = default;
 
 /**
  * Virtual build: set livepatheffect attributes from its associated XML node.
diff --git a/src/live_effects/parameter/array.h b/src/live_effects/parameter/array.h
index 156de2f81..3f4baf8b4 100644
--- a/src/live_effects/parameter/array.h
+++ b/src/live_effects/parameter/array.h
@@ -37,9 +37,7 @@ public:
 
     }
 
-    ~ArrayParam() override {
-
-    };
+    ~ArrayParam() override = default;;
 
     std::vector<StorageType> const & data() const {
         return _vector;
diff --git a/src/live_effects/parameter/bool.cpp b/src/live_effects/parameter/bool.cpp
index 2e8c4dbcc..9b8435941 100644
--- a/src/live_effects/parameter/bool.cpp
+++ b/src/live_effects/parameter/bool.cpp
@@ -26,8 +26,7 @@ BoolParam::BoolParam( const Glib::ustring& label, const Glib::ustring& tip,
 }
 
 BoolParam::~BoolParam()
-{
-}
+= default;
 
 void
 BoolParam::param_set_default()
diff --git a/src/live_effects/parameter/colorpicker.h b/src/live_effects/parameter/colorpicker.h
index 965435fba..7fa1556a3 100644
--- a/src/live_effects/parameter/colorpicker.h
+++ b/src/live_effects/parameter/colorpicker.h
@@ -22,7 +22,7 @@ public:
                Inkscape::UI::Widget::Registry* wr,
                Effect* effect,
                const guint32 default_color = 0x000000ff);
-    ~ColorPickerParam() override {}
+    ~ColorPickerParam() override = default;
 
     Gtk::Widget * param_newWidget() override;
     bool param_readSVGValue(const gchar * strvalue) override;
diff --git a/src/live_effects/parameter/enum.h b/src/live_effects/parameter/enum.h
index 354eb74f6..0360a5f0a 100644
--- a/src/live_effects/parameter/enum.h
+++ b/src/live_effects/parameter/enum.h
@@ -37,7 +37,7 @@ public:
         sorted = sort;
     };
 
-    ~EnumParam() override { };
+    ~EnumParam() override = default;;
 
     Gtk::Widget * param_newWidget() override {
         Inkscape::UI::Widget::RegisteredEnum<E> *regenum = Gtk::manage ( 
diff --git a/src/live_effects/parameter/fontbutton.h b/src/live_effects/parameter/fontbutton.h
index 466202ee1..27c982159 100644
--- a/src/live_effects/parameter/fontbutton.h
+++ b/src/live_effects/parameter/fontbutton.h
@@ -22,7 +22,7 @@ public:
                Inkscape::UI::Widget::Registry* wr,
                Effect* effect,
                const Glib::ustring default_value = "Sans 10");
-    ~FontButtonParam() override {}
+    ~FontButtonParam() override = default;
 
     Gtk::Widget * param_newWidget() override;
     bool param_readSVGValue(const gchar * strvalue) override;
diff --git a/src/live_effects/parameter/hidden.h b/src/live_effects/parameter/hidden.h
index df55bfb5a..ecc5039b2 100644
--- a/src/live_effects/parameter/hidden.h
+++ b/src/live_effects/parameter/hidden.h
@@ -31,7 +31,7 @@ public:
                Effect* effect,
                const Glib::ustring default_value = "",
                bool widget_is_visible = false);
-    ~HiddenParam() override {}
+    ~HiddenParam() override = default;
 
     Gtk::Widget * param_newWidget() override;
 
diff --git a/src/live_effects/parameter/message.h b/src/live_effects/parameter/message.h
index bbee74998..3d9ddf62b 100644
--- a/src/live_effects/parameter/message.h
+++ b/src/live_effects/parameter/message.h
@@ -22,7 +22,7 @@ public:
                Inkscape::UI::Widget::Registry* wr,
                Effect* effect,
                const gchar * default_message = "Default message");
-    ~MessageParam() override {}
+    ~MessageParam() override = default;
 
     Gtk::Widget * param_newWidget() override;
     bool param_readSVGValue(const gchar * strvalue) override;
diff --git a/src/live_effects/parameter/originalitem.cpp b/src/live_effects/parameter/originalitem.cpp
index 820c4d6b9..b415dd52a 100644
--- a/src/live_effects/parameter/originalitem.cpp
+++ b/src/live_effects/parameter/originalitem.cpp
@@ -38,9 +38,7 @@ OriginalItemParam::OriginalItemParam( const Glib::ustring& label, const Glib::us
 }
 
 OriginalItemParam::~OriginalItemParam()
-{
-
-}
+= default;
 
 Gtk::Widget *
 OriginalItemParam::param_newWidget()
diff --git a/src/live_effects/parameter/originalitemarray.cpp b/src/live_effects/parameter/originalitemarray.cpp
index 3116b1f9c..23d9f96cd 100644
--- a/src/live_effects/parameter/originalitemarray.cpp
+++ b/src/live_effects/parameter/originalitemarray.cpp
@@ -46,7 +46,7 @@ public:
         add(_colLabel);
         add(_colActive);
     }
-    ~ModelColumns() override {}
+    ~ModelColumns() override = default;
 
     Gtk::TreeModelColumn<ItemAndActive*> _colObject;
     Gtk::TreeModelColumn<Glib::ustring> _colLabel;
diff --git a/src/live_effects/parameter/originalpath.cpp b/src/live_effects/parameter/originalpath.cpp
index 5ad5546da..e17ef74e4 100644
--- a/src/live_effects/parameter/originalpath.cpp
+++ b/src/live_effects/parameter/originalpath.cpp
@@ -41,9 +41,7 @@ OriginalPathParam::OriginalPathParam( const Glib::ustring& label, const Glib::us
 }
 
 OriginalPathParam::~OriginalPathParam()
-{
-
-}
+= default;
 
 Gtk::Widget *
 OriginalPathParam::param_newWidget()
diff --git a/src/live_effects/parameter/originalpatharray.cpp b/src/live_effects/parameter/originalpatharray.cpp
index f9e56c8f3..cc4408218 100644
--- a/src/live_effects/parameter/originalpatharray.cpp
+++ b/src/live_effects/parameter/originalpatharray.cpp
@@ -57,7 +57,7 @@ public:
         add(_colReverse);
         add(_colVisible);
     }
-    ~ModelColumns() override {}
+    ~ModelColumns() override = default;
 
     Gtk::TreeModelColumn<PathAndDirectionAndVisible*> _colObject;
     Gtk::TreeModelColumn<Glib::ustring> _colLabel;
diff --git a/src/live_effects/parameter/parameter.cpp b/src/live_effects/parameter/parameter.cpp
index acfe159ab..7ca3f04c8 100644
--- a/src/live_effects/parameter/parameter.cpp
+++ b/src/live_effects/parameter/parameter.cpp
@@ -71,8 +71,7 @@ ScalarParam::ScalarParam( const Glib::ustring& label, const Glib::ustring& tip,
 }
 
 ScalarParam::~ScalarParam()
-{
-}
+= default;
 
 bool
 ScalarParam::param_readSVGValue(const gchar * strvalue)
diff --git a/src/live_effects/parameter/parameter.h b/src/live_effects/parameter/parameter.h
index a956a9ed4..7454558db 100644
--- a/src/live_effects/parameter/parameter.h
+++ b/src/live_effects/parameter/parameter.h
@@ -53,7 +53,7 @@ public:
                 const Glib::ustring& key,
                 Inkscape::UI::Widget::Registry* wr,
                 Effect* effect);
-    virtual ~Parameter() {};
+    virtual ~Parameter() = default;;
 
     virtual bool param_readSVGValue(const gchar * strvalue) = 0;   // returns true if new value is valid / accepted.
     virtual gchar * param_getSVGValue() const = 0;
diff --git a/src/live_effects/parameter/powerstrokepointarray.cpp b/src/live_effects/parameter/powerstrokepointarray.cpp
index 0857deab5..12f72a143 100644
--- a/src/live_effects/parameter/powerstrokepointarray.cpp
+++ b/src/live_effects/parameter/powerstrokepointarray.cpp
@@ -33,8 +33,7 @@ PowerStrokePointArrayParam::PowerStrokePointArrayParam( const Glib::ustring& lab
 }
 
 PowerStrokePointArrayParam::~PowerStrokePointArrayParam()
-{
-}
+= default;
 
 Gtk::Widget *
 PowerStrokePointArrayParam::param_newWidget()
diff --git a/src/live_effects/parameter/powerstrokepointarray.h b/src/live_effects/parameter/powerstrokepointarray.h
index a3712c2d2..e21945e7c 100644
--- a/src/live_effects/parameter/powerstrokepointarray.h
+++ b/src/live_effects/parameter/powerstrokepointarray.h
@@ -67,7 +67,7 @@ private:
 class PowerStrokePointArrayParamKnotHolderEntity : public KnotHolderEntity {
 public:
     PowerStrokePointArrayParamKnotHolderEntity(PowerStrokePointArrayParam *p, unsigned int index);
-    ~PowerStrokePointArrayParamKnotHolderEntity() override {}
+    ~PowerStrokePointArrayParamKnotHolderEntity() override = default;
 
     void knot_set(Geom::Point const &p, Geom::Point const &origin, guint state) override;
     Geom::Point knot_get() const override;
diff --git a/src/live_effects/parameter/random.cpp b/src/live_effects/parameter/random.cpp
index 23912bedb..fe99285a0 100644
--- a/src/live_effects/parameter/random.cpp
+++ b/src/live_effects/parameter/random.cpp
@@ -39,8 +39,7 @@ RandomParam::RandomParam( const Glib::ustring& label, const Glib::ustring& tip,
 }
 
 RandomParam::~RandomParam()
-{
-}
+= default;
 
 bool
 RandomParam::param_readSVGValue(const gchar * strvalue)
diff --git a/src/live_effects/parameter/text.h b/src/live_effects/parameter/text.h
index fda470638..6591c54c8 100644
--- a/src/live_effects/parameter/text.h
+++ b/src/live_effects/parameter/text.h
@@ -32,7 +32,7 @@ public:
                Inkscape::UI::Widget::Registry* wr,
                Effect* effect,
                const Glib::ustring default_value = "");
-    ~TextParam() override {}
+    ~TextParam() override = default;
 
     Gtk::Widget * param_newWidget() override;
 
diff --git a/src/live_effects/parameter/transformedpoint.cpp b/src/live_effects/parameter/transformedpoint.cpp
index d94f8964c..e35cbc04d 100644
--- a/src/live_effects/parameter/transformedpoint.cpp
+++ b/src/live_effects/parameter/transformedpoint.cpp
@@ -37,9 +37,7 @@ TransformedPointParam::TransformedPointParam( const Glib::ustring& label, const
 }
 
 TransformedPointParam::~TransformedPointParam()
-{
-
-}
+= default;
 
 void
 TransformedPointParam::param_set_default()
@@ -165,7 +163,7 @@ TransformedPointParam::set_oncanvas_color(guint32 color)
 class TransformedPointParamKnotHolderEntity_Vector : public KnotHolderEntity {
 public:
     TransformedPointParamKnotHolderEntity_Vector(TransformedPointParam *p) : param(p) { }
-    ~TransformedPointParamKnotHolderEntity_Vector() override {}
+    ~TransformedPointParamKnotHolderEntity_Vector() override = default;
 
     void knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint /*state*/) override {
         Geom::Point const s = p - param->origin;
diff --git a/src/live_effects/parameter/unit.cpp b/src/live_effects/parameter/unit.cpp
index 9199e592d..9dbbaffac 100644
--- a/src/live_effects/parameter/unit.cpp
+++ b/src/live_effects/parameter/unit.cpp
@@ -29,8 +29,7 @@ UnitParam::UnitParam( const Glib::ustring& label, const Glib::ustring& tip,
 }
 
 UnitParam::~UnitParam()
-{
-}
+= default;
 
 bool
 UnitParam::param_readSVGValue(const gchar * strvalue)
diff --git a/src/live_effects/parameter/vector.cpp b/src/live_effects/parameter/vector.cpp
index 8018ed618..0e8948268 100644
--- a/src/live_effects/parameter/vector.cpp
+++ b/src/live_effects/parameter/vector.cpp
@@ -37,9 +37,7 @@ VectorParam::VectorParam( const Glib::ustring& label, const Glib::ustring& tip,
 }
 
 VectorParam::~VectorParam()
-{
-
-}
+= default;
 
 void
 VectorParam::param_set_default()
@@ -172,7 +170,7 @@ VectorParam::set_oncanvas_color(guint32 color)
 class VectorParamKnotHolderEntity_Origin : public KnotHolderEntity {
 public:
     VectorParamKnotHolderEntity_Origin(VectorParam *p) : param(p) { }
-    ~VectorParamKnotHolderEntity_Origin() override {}
+    ~VectorParamKnotHolderEntity_Origin() override = default;
 
     void knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint state) override {
         Geom::Point const s = snap_knot_position(p, state);
@@ -193,7 +191,7 @@ private:
 class VectorParamKnotHolderEntity_Vector : public KnotHolderEntity {
 public:
     VectorParamKnotHolderEntity_Vector(VectorParam *p) : param(p) { }
-    ~VectorParamKnotHolderEntity_Vector() override {}
+    ~VectorParamKnotHolderEntity_Vector() override = default;
 
     void knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint /*state*/) override {
         Geom::Point const s = p - param->origin;
diff --git a/src/live_effects/spiro-converters.h b/src/live_effects/spiro-converters.h
index 7def6d23d..ec53e085b 100644
--- a/src/live_effects/spiro-converters.h
+++ b/src/live_effects/spiro-converters.h
@@ -8,8 +8,8 @@ namespace Spiro {
 
 class ConverterBase {
 public:
-    ConverterBase() {};
-    virtual ~ConverterBase() {};
+    ConverterBase() = default;;
+    virtual ~ConverterBase() = default;;
 
     virtual void moveto(double x, double y) = 0;
     virtual void lineto(double x, double y, bool close_last) = 0;
diff --git a/src/object/box3d-side.cpp b/src/object/box3d-side.cpp
index b085b88ae..d3ea2c890 100644
--- a/src/object/box3d-side.cpp
+++ b/src/object/box3d-side.cpp
@@ -32,8 +32,7 @@ Box3DSide::Box3DSide() : SPPolygon() {
     this->front_or_rear = Box3D::FRONT;
 }
 
-Box3DSide::~Box3DSide() {
-}
+Box3DSide::~Box3DSide() = default;
 
 void Box3DSide::build(SPDocument * document, Inkscape::XML::Node * repr) {
     SPPolygon::build(document, repr);
diff --git a/src/object/box3d.cpp b/src/object/box3d.cpp
index 08190edfd..7b5e44f65 100644
--- a/src/object/box3d.cpp
+++ b/src/object/box3d.cpp
@@ -53,8 +53,7 @@ SPBox3D::SPBox3D() : SPGroup() {
     }
 }
 
-SPBox3D::~SPBox3D() {
-}
+SPBox3D::~SPBox3D() = default;
 
 void SPBox3D::build(SPDocument *document, Inkscape::XML::Node *repr) {
     SPGroup::build(document, repr);
diff --git a/src/object/color-profile.cpp b/src/object/color-profile.cpp
index 4b12df21b..15cdf11fe 100644
--- a/src/object/color-profile.cpp
+++ b/src/object/color-profile.cpp
@@ -215,8 +215,7 @@ ColorProfile::ColorProfile() : SPObject() {
     this->rendering_intent = Inkscape::RENDERING_INTENT_UNKNOWN;
 }
 
-ColorProfile::~ColorProfile() {
-}
+ColorProfile::~ColorProfile() = default;
 
 bool ColorProfile::operator<(ColorProfile const &other) const {
     gchar *a_name_casefold = g_utf8_casefold(this->name, -1 );
@@ -1211,8 +1210,7 @@ MemProfile::MemProfile() :
 }
 
 MemProfile::~MemProfile()
-{
-}
+= default;
 
 static std::vector<MemProfile> perMonitorProfiles;
 
diff --git a/src/object/filters/blend.cpp b/src/object/filters/blend.cpp
index 6137843a3..400520e5b 100644
--- a/src/object/filters/blend.cpp
+++ b/src/object/filters/blend.cpp
@@ -32,8 +32,7 @@ SPFeBlend::SPFeBlend()
 {
 }
 
-SPFeBlend::~SPFeBlend() {
-}
+SPFeBlend::~SPFeBlend() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeBlend variables.  For this to get called,
diff --git a/src/object/filters/colormatrix.cpp b/src/object/filters/colormatrix.cpp
index ebeab56c1..4f4498e32 100644
--- a/src/object/filters/colormatrix.cpp
+++ b/src/object/filters/colormatrix.cpp
@@ -29,8 +29,7 @@ SPFeColorMatrix::SPFeColorMatrix()
 {
 }
 
-SPFeColorMatrix::~SPFeColorMatrix() {
-}
+SPFeColorMatrix::~SPFeColorMatrix() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeColorMatrix variables.  For this to get called,
diff --git a/src/object/filters/componenttransfer-funcnode.cpp b/src/object/filters/componenttransfer-funcnode.cpp
index 23c8dbd96..5fb454075 100644
--- a/src/object/filters/componenttransfer-funcnode.cpp
+++ b/src/object/filters/componenttransfer-funcnode.cpp
@@ -31,8 +31,7 @@ SPFeFuncNode::SPFeFuncNode(SPFeFuncNode::Channel channel)
       slope(1), intercept(0), amplitude(1), exponent(1), offset(0), channel(channel) {
 }
 
-SPFeFuncNode::~SPFeFuncNode() {
-}
+SPFeFuncNode::~SPFeFuncNode() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPDistantLight variables.  For this to get called,
diff --git a/src/object/filters/componenttransfer.cpp b/src/object/filters/componenttransfer.cpp
index fe488ce74..b7a85fbae 100644
--- a/src/object/filters/componenttransfer.cpp
+++ b/src/object/filters/componenttransfer.cpp
@@ -28,8 +28,7 @@ SPFeComponentTransfer::SPFeComponentTransfer()
 {
 }
 
-SPFeComponentTransfer::~SPFeComponentTransfer() {
-}
+SPFeComponentTransfer::~SPFeComponentTransfer() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeComponentTransfer variables.  For this to get called,
diff --git a/src/object/filters/composite.cpp b/src/object/filters/composite.cpp
index 2b5cdf75e..9954cd7a1 100644
--- a/src/object/filters/composite.cpp
+++ b/src/object/filters/composite.cpp
@@ -32,8 +32,7 @@ SPFeComposite::SPFeComposite()
 {
 }
 
-SPFeComposite::~SPFeComposite() {
-}
+SPFeComposite::~SPFeComposite() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeComposite variables.  For this to get called,
diff --git a/src/object/filters/convolvematrix.cpp b/src/object/filters/convolvematrix.cpp
index 4f2588695..2466fe396 100644
--- a/src/object/filters/convolvematrix.cpp
+++ b/src/object/filters/convolvematrix.cpp
@@ -44,8 +44,7 @@ SPFeConvolveMatrix::SPFeConvolveMatrix() : SPFilterPrimitive() {
     this->kernelMatrixIsSet = false;
 }
 
-SPFeConvolveMatrix::~SPFeConvolveMatrix() {
-}
+SPFeConvolveMatrix::~SPFeConvolveMatrix() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeConvolveMatrix variables.  For this to get called,
diff --git a/src/object/filters/diffuselighting.cpp b/src/object/filters/diffuselighting.cpp
index a11ddf507..bad591a22 100644
--- a/src/object/filters/diffuselighting.cpp
+++ b/src/object/filters/diffuselighting.cpp
@@ -49,8 +49,7 @@ SPFeDiffuseLighting::SPFeDiffuseLighting() : SPFilterPrimitive() {
     this->lighting_color_set = FALSE;
 }
 
-SPFeDiffuseLighting::~SPFeDiffuseLighting() {
-}
+SPFeDiffuseLighting::~SPFeDiffuseLighting() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeDiffuseLighting variables.  For this to get called,
diff --git a/src/object/filters/displacementmap.cpp b/src/object/filters/displacementmap.cpp
index 7d4106648..dccd78dcd 100644
--- a/src/object/filters/displacementmap.cpp
+++ b/src/object/filters/displacementmap.cpp
@@ -33,8 +33,7 @@ SPFeDisplacementMap::SPFeDisplacementMap() : SPFilterPrimitive() {
     this->in2 = Inkscape::Filters::NR_FILTER_SLOT_NOT_SET;
 }
 
-SPFeDisplacementMap::~SPFeDisplacementMap() {
-}
+SPFeDisplacementMap::~SPFeDisplacementMap() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeDisplacementMap variables.  For this to get called,
diff --git a/src/object/filters/distantlight.cpp b/src/object/filters/distantlight.cpp
index bec28f66f..382cba4eb 100644
--- a/src/object/filters/distantlight.cpp
+++ b/src/object/filters/distantlight.cpp
@@ -32,8 +32,7 @@ SPFeDistantLight::SPFeDistantLight()
     : SPObject(), azimuth(0), azimuth_set(FALSE), elevation(0), elevation_set(FALSE) {
 }
 
-SPFeDistantLight::~SPFeDistantLight() {
-}
+SPFeDistantLight::~SPFeDistantLight() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPDistantLight variables.  For this to get called,
diff --git a/src/object/filters/flood.cpp b/src/object/filters/flood.cpp
index da0af4737..6b7cac482 100644
--- a/src/object/filters/flood.cpp
+++ b/src/object/filters/flood.cpp
@@ -32,8 +32,7 @@ SPFeFlood::SPFeFlood() : SPFilterPrimitive() {
     this->icc = nullptr;
 }
 
-SPFeFlood::~SPFeFlood() {
-}
+SPFeFlood::~SPFeFlood() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeFlood variables.  For this to get called,
diff --git a/src/object/filters/gaussian-blur.cpp b/src/object/filters/gaussian-blur.cpp
index 81addb8e1..19eb532b4 100644
--- a/src/object/filters/gaussian-blur.cpp
+++ b/src/object/filters/gaussian-blur.cpp
@@ -31,8 +31,7 @@
 SPGaussianBlur::SPGaussianBlur() : SPFilterPrimitive() {
 }
 
-SPGaussianBlur::~SPGaussianBlur() {
-}
+SPGaussianBlur::~SPGaussianBlur() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPGaussianBlur variables.  For this to get called,
diff --git a/src/object/filters/image.cpp b/src/object/filters/image.cpp
index 25ac3024a..4b58ce464 100644
--- a/src/object/filters/image.cpp
+++ b/src/object/filters/image.cpp
@@ -43,8 +43,7 @@ SPFeImage::SPFeImage() : SPFilterPrimitive() {
     this->aspect_clip = SP_ASPECT_MEET; // Default
 }
 
-SPFeImage::~SPFeImage() {
-}
+SPFeImage::~SPFeImage() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeImage variables.  For this to get called,
diff --git a/src/object/filters/merge.cpp b/src/object/filters/merge.cpp
index ddd19e732..d96834d73 100644
--- a/src/object/filters/merge.cpp
+++ b/src/object/filters/merge.cpp
@@ -23,8 +23,7 @@
 SPFeMerge::SPFeMerge() : SPFilterPrimitive() {
 }
 
-SPFeMerge::~SPFeMerge() {
-}
+SPFeMerge::~SPFeMerge() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeMerge variables.  For this to get called,
diff --git a/src/object/filters/mergenode.cpp b/src/object/filters/mergenode.cpp
index 04ab2af95..a6824c061 100644
--- a/src/object/filters/mergenode.cpp
+++ b/src/object/filters/mergenode.cpp
@@ -26,8 +26,7 @@ SPFeMergeNode::SPFeMergeNode()
     : SPObject(), input(Inkscape::Filters::NR_FILTER_SLOT_NOT_SET) {
 }
 
-SPFeMergeNode::~SPFeMergeNode() {
-}
+SPFeMergeNode::~SPFeMergeNode() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeMergeNode variables.  For this to get called,
diff --git a/src/object/filters/morphology.cpp b/src/object/filters/morphology.cpp
index 6f1006372..ee7b1eaaa 100644
--- a/src/object/filters/morphology.cpp
+++ b/src/object/filters/morphology.cpp
@@ -28,8 +28,7 @@ SPFeMorphology::SPFeMorphology() : SPFilterPrimitive() {
     this->radius.set("0");
 }
 
-SPFeMorphology::~SPFeMorphology() {
-}
+SPFeMorphology::~SPFeMorphology() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeMorphology variables.  For this to get called,
diff --git a/src/object/filters/offset.cpp b/src/object/filters/offset.cpp
index ed674afbf..699a0bfb9 100644
--- a/src/object/filters/offset.cpp
+++ b/src/object/filters/offset.cpp
@@ -30,8 +30,7 @@ SPFeOffset::SPFeOffset() : SPFilterPrimitive() {
     this->dy = 0;
 }
 
-SPFeOffset::~SPFeOffset() {
-}
+SPFeOffset::~SPFeOffset() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeOffset variables.  For this to get called,
diff --git a/src/object/filters/pointlight.cpp b/src/object/filters/pointlight.cpp
index c12d68ceb..8c8101356 100644
--- a/src/object/filters/pointlight.cpp
+++ b/src/object/filters/pointlight.cpp
@@ -33,8 +33,7 @@ SPFePointLight::SPFePointLight()
     : SPObject(), x(0), x_set(FALSE), y(0), y_set(FALSE), z(0), z_set(FALSE) {
 }
 
-SPFePointLight::~SPFePointLight() {
-}
+SPFePointLight::~SPFePointLight() = default;
 
 
 /**
diff --git a/src/object/filters/sp-filter-primitive.cpp b/src/object/filters/sp-filter-primitive.cpp
index 7f93754b9..f418bcb4e 100644
--- a/src/object/filters/sp-filter-primitive.cpp
+++ b/src/object/filters/sp-filter-primitive.cpp
@@ -48,8 +48,7 @@ SPFilterPrimitive::SPFilterPrimitive() : SPObject() {
     this->height.unset(SVGLength::PERCENT, 1, 0);
 }
 
-SPFilterPrimitive::~SPFilterPrimitive() {
-}
+SPFilterPrimitive::~SPFilterPrimitive() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFilterPrimitive variables.  For this to get called,
diff --git a/src/object/filters/specularlighting.cpp b/src/object/filters/specularlighting.cpp
index 3e66d6f95..81b574fdd 100644
--- a/src/object/filters/specularlighting.cpp
+++ b/src/object/filters/specularlighting.cpp
@@ -53,8 +53,7 @@ SPFeSpecularLighting::SPFeSpecularLighting() : SPFilterPrimitive() {
     this->lighting_color_set = FALSE;
 }
 
-SPFeSpecularLighting::~SPFeSpecularLighting() {
-}
+SPFeSpecularLighting::~SPFeSpecularLighting() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeSpecularLighting variables.  For this to get called,
diff --git a/src/object/filters/spotlight.cpp b/src/object/filters/spotlight.cpp
index 239391478..9d911047a 100644
--- a/src/object/filters/spotlight.cpp
+++ b/src/object/filters/spotlight.cpp
@@ -33,8 +33,7 @@ SPFeSpotLight::SPFeSpotLight()
 {
 }
 
-SPFeSpotLight::~SPFeSpotLight() {
-}
+SPFeSpotLight::~SPFeSpotLight() = default;
 
 
 /**
diff --git a/src/object/filters/tile.cpp b/src/object/filters/tile.cpp
index f36c5a758..da17fa004 100644
--- a/src/object/filters/tile.cpp
+++ b/src/object/filters/tile.cpp
@@ -25,8 +25,7 @@
 SPFeTile::SPFeTile() : SPFilterPrimitive() {
 }
 
-SPFeTile::~SPFeTile() {
-}
+SPFeTile::~SPFeTile() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeTile variables.  For this to get called,
diff --git a/src/object/filters/turbulence.cpp b/src/object/filters/turbulence.cpp
index 657e44d6a..b626b2380 100644
--- a/src/object/filters/turbulence.cpp
+++ b/src/object/filters/turbulence.cpp
@@ -31,8 +31,7 @@ SPFeTurbulence::SPFeTurbulence() : SPFilterPrimitive() {
     this->updated=false;
 }
 
-SPFeTurbulence::~SPFeTurbulence() {
-}
+SPFeTurbulence::~SPFeTurbulence() = default;
 
 /**
  * Reads the Inkscape::XML::Node, and initializes SPFeTurbulence variables.  For this to get called,
diff --git a/src/object/persp3d.cpp b/src/object/persp3d.cpp
index 8020d0221..2183b6236 100644
--- a/src/object/persp3d.cpp
+++ b/src/object/persp3d.cpp
@@ -57,8 +57,7 @@ Persp3D::Persp3D() : SPObject() {
     this->perspective_impl = new Persp3DImpl();
 }
 
-Persp3D::~Persp3D() {
-}
+Persp3D::~Persp3D() = default;
 
 
 /**
diff --git a/src/object/sp-anchor.cpp b/src/object/sp-anchor.cpp
index 3baa7b7ca..4af737125 100644
--- a/src/object/sp-anchor.cpp
+++ b/src/object/sp-anchor.cpp
@@ -29,8 +29,7 @@ SPAnchor::SPAnchor() : SPGroup() {
     this->page = nullptr;
 }
 
-SPAnchor::~SPAnchor() {
-}
+SPAnchor::~SPAnchor() = default;
 
 void SPAnchor::build(SPDocument *document, Inkscape::XML::Node *repr) {
     SPGroup::build(document, repr);
diff --git a/src/object/sp-clippath.cpp b/src/object/sp-clippath.cpp
index 3ef849c14..321f6a80f 100644
--- a/src/object/sp-clippath.cpp
+++ b/src/object/sp-clippath.cpp
@@ -48,8 +48,7 @@ SPClipPath::SPClipPath() : SPObjectGroup() {
     this->display = nullptr;
 }
 
-SPClipPath::~SPClipPath() {
-}
+SPClipPath::~SPClipPath() = default;
 
 void SPClipPath::build(SPDocument* doc, Inkscape::XML::Node* repr) {
     SPObjectGroup::build(doc, repr);
diff --git a/src/object/sp-defs.cpp b/src/object/sp-defs.cpp
index 4fb3e6688..ea507fe87 100644
--- a/src/object/sp-defs.cpp
+++ b/src/object/sp-defs.cpp
@@ -23,8 +23,7 @@
 SPDefs::SPDefs() : SPObject() {
 }
 
-SPDefs::~SPDefs() {
-}
+SPDefs::~SPDefs() = default;
 
 void SPDefs::release() {
 	SPObject::release();
diff --git a/src/object/sp-desc.cpp b/src/object/sp-desc.cpp
index 3c75d087a..08a08bb95 100644
--- a/src/object/sp-desc.cpp
+++ b/src/object/sp-desc.cpp
@@ -15,8 +15,7 @@
 SPDesc::SPDesc() : SPObject() {
 }
 
-SPDesc::~SPDesc() {
-}
+SPDesc::~SPDesc() = default;
 
 /**
  * Writes it's settings to an incoming repr object, if any.
diff --git a/src/object/sp-ellipse.cpp b/src/object/sp-ellipse.cpp
index f30a06ca1..7856429e3 100644
--- a/src/object/sp-ellipse.cpp
+++ b/src/object/sp-ellipse.cpp
@@ -48,8 +48,7 @@ SPGenericEllipse::SPGenericEllipse()
 }
 
 SPGenericEllipse::~SPGenericEllipse()
-{
-}
+= default;
 
 void SPGenericEllipse::build(SPDocument *document, Inkscape::XML::Node *repr)
 {
diff --git a/src/object/sp-filter.cpp b/src/object/sp-filter.cpp
index a77ef9e24..5668061ba 100644
--- a/src/object/sp-filter.cpp
+++ b/src/object/sp-filter.cpp
@@ -59,8 +59,7 @@ SPFilter::SPFilter()
     this->_image_name->clear();
 }
 
-SPFilter::~SPFilter() {
-}
+SPFilter::~SPFilter() = default;
 
 
 /**
diff --git a/src/object/sp-flowdiv.cpp b/src/object/sp-flowdiv.cpp
index d79ff349d..b4e32d295 100644
--- a/src/object/sp-flowdiv.cpp
+++ b/src/object/sp-flowdiv.cpp
@@ -9,8 +9,7 @@
 SPFlowdiv::SPFlowdiv() : SPItem() {
 }
 
-SPFlowdiv::~SPFlowdiv() {
-}
+SPFlowdiv::~SPFlowdiv() = default;
 
 void SPFlowdiv::release() {
 	SPItem::release();
@@ -137,8 +136,7 @@ Inkscape::XML::Node* SPFlowdiv::write(Inkscape::XML::Document *xml_doc, Inkscape
 SPFlowtspan::SPFlowtspan() : SPItem() {
 }
 
-SPFlowtspan::~SPFlowtspan() {
-}
+SPFlowtspan::~SPFlowtspan() = default;
 
 void SPFlowtspan::release() {
 	SPItem::release();
@@ -259,8 +257,7 @@ Inkscape::XML::Node *SPFlowtspan::write(Inkscape::XML::Document *xml_doc, Inksca
 SPFlowpara::SPFlowpara() : SPItem() {
 }
 
-SPFlowpara::~SPFlowpara() {
-}
+SPFlowpara::~SPFlowpara() = default;
 
 void SPFlowpara::release() {
 	SPItem::release();
@@ -384,8 +381,7 @@ Inkscape::XML::Node *SPFlowpara::write(Inkscape::XML::Document *xml_doc, Inkscap
 SPFlowline::SPFlowline() : SPObject() {
 }
 
-SPFlowline::~SPFlowline() {
-}
+SPFlowline::~SPFlowline() = default;
 
 void SPFlowline::release() {
 	SPObject::release();
@@ -421,8 +417,7 @@ Inkscape::XML::Node *SPFlowline::write(Inkscape::XML::Document *xml_doc, Inkscap
 SPFlowregionbreak::SPFlowregionbreak() : SPObject() {
 }
 
-SPFlowregionbreak::~SPFlowregionbreak() {
-}
+SPFlowregionbreak::~SPFlowregionbreak() = default;
 
 void SPFlowregionbreak::release() {
 	SPObject::release();
diff --git a/src/object/sp-flowtext.cpp b/src/object/sp-flowtext.cpp
index 3811f4072..334282103 100644
--- a/src/object/sp-flowtext.cpp
+++ b/src/object/sp-flowtext.cpp
@@ -39,8 +39,7 @@ SPFlowtext::SPFlowtext() : SPItem(),
 {
 }
 
-SPFlowtext::~SPFlowtext() {
-}
+SPFlowtext::~SPFlowtext() = default;
 
 void SPFlowtext::child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) {
 	SPItem::child_added(child, ref);
diff --git a/src/object/sp-font-face.cpp b/src/object/sp-font-face.cpp
index 754956058..a60dd6110 100644
--- a/src/object/sp-font-face.cpp
+++ b/src/object/sp-font-face.cpp
@@ -311,8 +311,7 @@ SPFontFace::SPFontFace() : SPObject() {
     this->overline_thickness = 0;
 }
 
-SPFontFace::~SPFontFace() {
-}
+SPFontFace::~SPFontFace() = default;
 
 void SPFontFace::build(SPDocument *document, Inkscape::XML::Node *repr) {
 	SPObject::build(document, repr);
diff --git a/src/object/sp-font.cpp b/src/object/sp-font.cpp
index 4701e8690..6736da200 100644
--- a/src/object/sp-font.cpp
+++ b/src/object/sp-font.cpp
@@ -38,8 +38,7 @@ SPFont::SPFont() : SPObject() {
     this->vert_adv_y = FNT_UNITS_PER_EM;
 }
 
-SPFont::~SPFont() {
-}
+SPFont::~SPFont() = default;
 
 void SPFont::build(SPDocument *document, Inkscape::XML::Node *repr) {
 	SPObject::build(document, repr);
diff --git a/src/object/sp-glyph-kerning.h b/src/object/sp-glyph-kerning.h
index 10624f17d..0fca561e2 100644
--- a/src/object/sp-glyph-kerning.h
+++ b/src/object/sp-glyph-kerning.h
@@ -35,7 +35,7 @@ private:
 class SPGlyphKerning : public SPObject {
 public:
     SPGlyphKerning();
-    ~SPGlyphKerning() override {}
+    ~SPGlyphKerning() override = default;
 
     // FIXME encapsulation
     UnicodeRange* u1;
@@ -53,11 +53,11 @@ protected:
 };
 
 class SPHkern : public SPGlyphKerning {
-    ~SPHkern() override {}
+    ~SPHkern() override = default;
 };
 
 class SPVkern : public SPGlyphKerning {
-    ~SPVkern() override {}
+    ~SPVkern() override = default;
 };
 
 #endif // !SEEN_SP_GLYPH_KERNING_H
diff --git a/src/object/sp-glyph.h b/src/object/sp-glyph.h
index 49c644b21..17a34a664 100644
--- a/src/object/sp-glyph.h
+++ b/src/object/sp-glyph.h
@@ -35,7 +35,7 @@ enum glyphOrientation {
 class SPGlyph : public SPObject {
 public:
     SPGlyph();
-    ~SPGlyph() override {}
+    ~SPGlyph() override = default;
 
     // FIXME encapsulation
     Glib::ustring unicode;
diff --git a/src/object/sp-gradient.cpp b/src/object/sp-gradient.cpp
index 0dfee1385..1fed2a206 100644
--- a/src/object/sp-gradient.cpp
+++ b/src/object/sp-gradient.cpp
@@ -257,8 +257,7 @@ SPGradient::SPGradient() : SPPaintServer(), units(),
     this->vector.stops.clear();
 }
 
-SPGradient::~SPGradient() {
-}
+SPGradient::~SPGradient() = default;
 
 /**
  * Virtual build: set gradient attributes from its associated repr.
diff --git a/src/object/sp-guide.h b/src/object/sp-guide.h
index 3ce3cc3de..0d9b8afc2 100644
--- a/src/object/sp-guide.h
+++ b/src/object/sp-guide.h
@@ -35,7 +35,7 @@ struct SPGuideLine;
 class SPGuide : public SPObject {
 public:
     SPGuide();
-    ~SPGuide() override {}
+    ~SPGuide() override = default;
 
     void set_color(const unsigned r, const unsigned g, const unsigned b, bool const commit);
     void setColor(guint32 c);
diff --git a/src/object/sp-hatch-path.cpp b/src/object/sp-hatch-path.cpp
index 649fefe94..25d6face1 100644
--- a/src/object/sp-hatch-path.cpp
+++ b/src/object/sp-hatch-path.cpp
@@ -39,8 +39,7 @@ SPHatchPath::SPHatchPath()
 }
 
 SPHatchPath::~SPHatchPath()
-{
-}
+= default;
 
 void SPHatchPath::setCurve(SPCurve *new_curve, bool owner)
 {
diff --git a/src/object/sp-hatch.cpp b/src/object/sp-hatch.cpp
index 0675c66ac..92da7dd69 100644
--- a/src/object/sp-hatch.cpp
+++ b/src/object/sp-hatch.cpp
@@ -58,8 +58,7 @@ SPHatch::SPHatch()
     _rotate.unset();
 }
 
-SPHatch::~SPHatch() {
-}
+SPHatch::~SPHatch() = default;
 
 void SPHatch::build(SPDocument* doc, Inkscape::XML::Node* repr)
 {
@@ -721,8 +720,7 @@ SPHatch::RenderInfo::RenderInfo()
 }
 
 SPHatch::RenderInfo::~RenderInfo()
-{
-}
+= default;
 
 //
 
diff --git a/src/object/sp-image.cpp b/src/object/sp-image.cpp
index 18e8b6674..a1efef51d 100644
--- a/src/object/sp-image.cpp
+++ b/src/object/sp-image.cpp
@@ -127,8 +127,7 @@ SPImage::SPImage() : SPItem(), SPViewBox() {
     this->pixbuf = nullptr;
 }
 
-SPImage::~SPImage() {
-}
+SPImage::~SPImage() = default;
 
 void SPImage::build(SPDocument *document, Inkscape::XML::Node *repr) {
     SPItem::build(document, repr);
diff --git a/src/object/sp-item-group.cpp b/src/object/sp-item-group.cpp
index 735248248..f0ff9e4fc 100644
--- a/src/object/sp-item-group.cpp
+++ b/src/object/sp-item-group.cpp
@@ -67,8 +67,7 @@ SPGroup::SPGroup() : SPLPEItem(),
 {
 }
 
-SPGroup::~SPGroup() {
-}
+SPGroup::~SPGroup() = default;
 
 void SPGroup::build(SPDocument *document, Inkscape::XML::Node *repr) {
     this->readAttr( "inkscape:groupmode" );
diff --git a/src/object/sp-item.cpp b/src/object/sp-item.cpp
index 4d9b4d7bf..6e4a163dc 100644
--- a/src/object/sp-item.cpp
+++ b/src/object/sp-item.cpp
@@ -102,8 +102,7 @@ SPItem::SPItem() : SPObject() {
     avoidRef = new SPAvoidRef(this);
 }
 
-SPItem::~SPItem() {
-}
+SPItem::~SPItem() = default;
 
 bool SPItem::isVisibleAndUnlocked() const {
     return (!isHidden() && !isLocked());
diff --git a/src/object/sp-line.cpp b/src/object/sp-line.cpp
index 2ba633972..2f06ddeef 100644
--- a/src/object/sp-line.cpp
+++ b/src/object/sp-line.cpp
@@ -27,8 +27,7 @@ SPLine::SPLine() : SPShape() {
     this->y2.unset();
 }
 
-SPLine::~SPLine() {
-}
+SPLine::~SPLine() = default;
 
 void SPLine::build(SPDocument * document, Inkscape::XML::Node * repr) {
     SPShape::build(document, repr);
diff --git a/src/object/sp-linear-gradient.cpp b/src/object/sp-linear-gradient.cpp
index 29579b617..5e0100251 100644
--- a/src/object/sp-linear-gradient.cpp
+++ b/src/object/sp-linear-gradient.cpp
@@ -15,8 +15,7 @@ SPLinearGradient::SPLinearGradient() : SPGradient() {
     this->y2.unset(SVGLength::PERCENT, 0.0, 0.0);
 }
 
-SPLinearGradient::~SPLinearGradient() {
-}
+SPLinearGradient::~SPLinearGradient() = default;
 
 void SPLinearGradient::build(SPDocument *document, Inkscape::XML::Node *repr) {
     SPGradient::build(document, repr);
diff --git a/src/object/sp-lpe-item.cpp b/src/object/sp-lpe-item.cpp
index 9f81b0307..785644437 100644
--- a/src/object/sp-lpe-item.cpp
+++ b/src/object/sp-lpe-item.cpp
@@ -66,8 +66,7 @@ SPLPEItem::SPLPEItem()
 {
 }
 
-SPLPEItem::~SPLPEItem() {
-}
+SPLPEItem::~SPLPEItem() = default;
 
 void SPLPEItem::build(SPDocument *document, Inkscape::XML::Node *repr) {
     this->readAttr( "inkscape:path-effect" );
diff --git a/src/object/sp-marker.cpp b/src/object/sp-marker.cpp
index 851a7d54f..3a504db90 100644
--- a/src/object/sp-marker.cpp
+++ b/src/object/sp-marker.cpp
@@ -34,7 +34,7 @@ class SPMarkerView {
 
 public:
 
-    SPMarkerView() {};
+    SPMarkerView() = default;;
     ~SPMarkerView() {
         for (unsigned int i = 0; i < items.size(); ++i) {
             delete items[i];
@@ -63,8 +63,7 @@ SPMarker::SPMarker() : SPGroup(), SPViewBox(),
  * not set and initializes the marker's c2p identity matrix.
  */
 
-SPMarker::~SPMarker() {
-}
+SPMarker::~SPMarker() = default;
 
 /**
  * Virtual build callback for SPMarker.
diff --git a/src/object/sp-mask.cpp b/src/object/sp-mask.cpp
index 5e6ed29f0..0d225d80a 100644
--- a/src/object/sp-mask.cpp
+++ b/src/object/sp-mask.cpp
@@ -50,8 +50,7 @@ SPMask::SPMask() : SPObjectGroup() {
 	this->display = nullptr;
 }
 
-SPMask::~SPMask() {
-}
+SPMask::~SPMask() = default;
 
 void SPMask::build(SPDocument* doc, Inkscape::XML::Node* repr) {
 	SPObjectGroup::build(doc, repr);
diff --git a/src/object/sp-mesh-patch.cpp b/src/object/sp-mesh-patch.cpp
index 1110e15ca..15149b689 100644
--- a/src/object/sp-mesh-patch.cpp
+++ b/src/object/sp-mesh-patch.cpp
@@ -61,8 +61,7 @@ SPMeshpatch::SPMeshpatch() : SPObject() {
     this->tensor_string = nullptr;
 }
 
-SPMeshpatch::~SPMeshpatch() {
-}
+SPMeshpatch::~SPMeshpatch() = default;
 
 void SPMeshpatch::build(SPDocument* doc, Inkscape::XML::Node* repr) {
 	SPObject::build(doc, repr);
diff --git a/src/object/sp-mesh-row.cpp b/src/object/sp-mesh-row.cpp
index 03d71c6f5..52e3b326e 100644
--- a/src/object/sp-mesh-row.cpp
+++ b/src/object/sp-mesh-row.cpp
@@ -58,8 +58,7 @@ SPMeshrow* SPMeshrow::getPrevMeshrow()
 SPMeshrow::SPMeshrow() : SPObject() {
 }
 
-SPMeshrow::~SPMeshrow() {
-}
+SPMeshrow::~SPMeshrow() = default;
 
 void SPMeshrow::build(SPDocument* doc, Inkscape::XML::Node* repr) {
 	SPObject::build(doc, repr);
diff --git a/src/object/sp-metadata.cpp b/src/object/sp-metadata.cpp
index 04cddbb8b..39f42d3ff 100644
--- a/src/object/sp-metadata.cpp
+++ b/src/object/sp-metadata.cpp
@@ -36,8 +36,7 @@
 SPMetadata::SPMetadata() : SPObject() {
 }
 
-SPMetadata::~SPMetadata() {
-}
+SPMetadata::~SPMetadata() = default;
 
 namespace {
 
diff --git a/src/object/sp-missing-glyph.cpp b/src/object/sp-missing-glyph.cpp
index 7b10b4e9a..d3da6ccff 100644
--- a/src/object/sp-missing-glyph.cpp
+++ b/src/object/sp-missing-glyph.cpp
@@ -28,8 +28,7 @@ SPMissingGlyph::SPMissingGlyph() : SPObject() {
     this->vert_adv_y = 0;
 }
 
-SPMissingGlyph::~SPMissingGlyph() {
-}
+SPMissingGlyph::~SPMissingGlyph() = default;
 
 void SPMissingGlyph::build(SPDocument* doc, Inkscape::XML::Node* repr) {
     SPObject::build(doc, repr);
diff --git a/src/object/sp-namedview.cpp b/src/object/sp-namedview.cpp
index a384c23c9..0028939d3 100644
--- a/src/object/sp-namedview.cpp
+++ b/src/object/sp-namedview.cpp
@@ -96,8 +96,7 @@ SPNamedView::SPNamedView() : SPObjectGroup(), snap_manager(this) {
     this->connector_spacing = defaultConnSpacing;
 }
 
-SPNamedView::~SPNamedView() {
-}
+SPNamedView::~SPNamedView() = default;
 
 static void sp_namedview_generate_old_grid(SPNamedView * /*nv*/, SPDocument *document, Inkscape::XML::Node *repr) {
     bool old_grid_settings_present = false;
diff --git a/src/object/sp-object-group.cpp b/src/object/sp-object-group.cpp
index 102eafa83..422e20da4 100644
--- a/src/object/sp-object-group.cpp
+++ b/src/object/sp-object-group.cpp
@@ -19,8 +19,7 @@
 SPObjectGroup::SPObjectGroup() : SPObject() {
 }
 
-SPObjectGroup::~SPObjectGroup() {
-}
+SPObjectGroup::~SPObjectGroup() = default;
 
 void SPObjectGroup::child_added(Inkscape::XML::Node *child, Inkscape::XML::Node *ref) {
 	SPObject::child_added(child, ref);
diff --git a/src/object/sp-paint-server.cpp b/src/object/sp-paint-server.cpp
index 3e685ad24..79e60d116 100644
--- a/src/object/sp-paint-server.cpp
+++ b/src/object/sp-paint-server.cpp
@@ -33,8 +33,7 @@ SPPaintServer::SPPaintServer() : SPObject() {
 	this->swatch = 0;
 }
 
-SPPaintServer::~SPPaintServer() {
-}
+SPPaintServer::~SPPaintServer() = default;
 
 bool SPPaintServer::isSwatch() const
 {
diff --git a/src/object/sp-path.cpp b/src/object/sp-path.cpp
index 51fa549e7..44070b6a3 100644
--- a/src/object/sp-path.cpp
+++ b/src/object/sp-path.cpp
@@ -112,8 +112,7 @@ void SPPath::convert_to_guides() const {
 SPPath::SPPath() : SPShape(), connEndPair(this) {
 }
 
-SPPath::~SPPath() {
-}
+SPPath::~SPPath() = default;
 
 void SPPath::build(SPDocument *document, Inkscape::XML::Node *repr) {
     /* Are these calls actually necessary? */
diff --git a/src/object/sp-pattern.cpp b/src/object/sp-pattern.cpp
index 911f0873a..d2167c297 100644
--- a/src/object/sp-pattern.cpp
+++ b/src/object/sp-pattern.cpp
@@ -60,7 +60,7 @@ SPPattern::SPPattern()
     this->_height.unset();
 }
 
-SPPattern::~SPPattern() {}
+SPPattern::~SPPattern() = default;
 
 void SPPattern::build(SPDocument *doc, Inkscape::XML::Node *repr)
 {
diff --git a/src/object/sp-polygon.cpp b/src/object/sp-polygon.cpp
index 90bc0c731..205120cfa 100644
--- a/src/object/sp-polygon.cpp
+++ b/src/object/sp-polygon.cpp
@@ -24,8 +24,7 @@
 SPPolygon::SPPolygon() : SPShape() {
 }
 
-SPPolygon::~SPPolygon() {
-}
+SPPolygon::~SPPolygon() = default;
 
 void SPPolygon::build(SPDocument *document, Inkscape::XML::Node *repr) {
 	SPPolygon* object = this;
diff --git a/src/object/sp-polyline.cpp b/src/object/sp-polyline.cpp
index aa8dab7e2..083cb3066 100644
--- a/src/object/sp-polyline.cpp
+++ b/src/object/sp-polyline.cpp
@@ -21,8 +21,7 @@
 SPPolyLine::SPPolyLine() : SPShape() {
 }
 
-SPPolyLine::~SPPolyLine() {
-}
+SPPolyLine::~SPPolyLine() = default;
 
 void SPPolyLine::build(SPDocument * document, Inkscape::XML::Node * repr) {
     SPShape::build(document, repr);
diff --git a/src/object/sp-radial-gradient.cpp b/src/object/sp-radial-gradient.cpp
index fa6355478..4f776d334 100644
--- a/src/object/sp-radial-gradient.cpp
+++ b/src/object/sp-radial-gradient.cpp
@@ -19,8 +19,7 @@ SPRadialGradient::SPRadialGradient() : SPGradient() {
     this->fr.unset(SVGLength::PERCENT, 0.5, 0.5);
 }
 
-SPRadialGradient::~SPRadialGradient() {
-}
+SPRadialGradient::~SPRadialGradient() = default;
 
 /**
  * Set radial gradient attributes from associated repr.
diff --git a/src/object/sp-rect.cpp b/src/object/sp-rect.cpp
index 783ad309a..e3c5bf450 100644
--- a/src/object/sp-rect.cpp
+++ b/src/object/sp-rect.cpp
@@ -33,8 +33,7 @@
 SPRect::SPRect() : SPShape() {
 }
 
-SPRect::~SPRect() {
-}
+SPRect::~SPRect() = default;
 
 void SPRect::build(SPDocument* doc, Inkscape::XML::Node* repr) {
 #ifdef OBJECT_TRACE
diff --git a/src/object/sp-root.cpp b/src/object/sp-root.cpp
index d1c4b4d35..592aae443 100644
--- a/src/object/sp-root.cpp
+++ b/src/object/sp-root.cpp
@@ -48,8 +48,7 @@ SPRoot::SPRoot() : SPGroup(), SPViewBox()
 }
 
 SPRoot::~SPRoot()
-{
-}
+= default;
 
 void SPRoot::unset_x_and_y()
 {
diff --git a/src/object/sp-script.cpp b/src/object/sp-script.cpp
index 45cf25bbf..e60789eb0 100644
--- a/src/object/sp-script.cpp
+++ b/src/object/sp-script.cpp
@@ -18,8 +18,7 @@ SPScript::SPScript() : SPObject() {
 	this->xlinkhref = nullptr;
 }
 
-SPScript::~SPScript() {
-}
+SPScript::~SPScript() = default;
 
 void SPScript::build(SPDocument* doc, Inkscape::XML::Node* repr) {
     SPObject::build(doc, repr);
diff --git a/src/object/sp-solid-color.cpp b/src/object/sp-solid-color.cpp
index 89858c18c..f8694d7c6 100644
--- a/src/object/sp-solid-color.cpp
+++ b/src/object/sp-solid-color.cpp
@@ -22,8 +22,7 @@
 SPSolidColor::SPSolidColor() : SPPaintServer() {
 }
 
-SPSolidColor::~SPSolidColor() {
-}
+SPSolidColor::~SPSolidColor() = default;
 
 void SPSolidColor::build(SPDocument* doc, Inkscape::XML::Node* repr) {
     SPPaintServer::build(doc, repr);
diff --git a/src/object/sp-spiral.cpp b/src/object/sp-spiral.cpp
index 37e68d7c2..442580888 100644
--- a/src/object/sp-spiral.cpp
+++ b/src/object/sp-spiral.cpp
@@ -38,8 +38,7 @@ SPSpiral::SPSpiral()
 {
 }
 
-SPSpiral::~SPSpiral() {
-}
+SPSpiral::~SPSpiral() = default;
 
 void SPSpiral::build(SPDocument * document, Inkscape::XML::Node * repr) {
     SPShape::build(document, repr);
diff --git a/src/object/sp-star.cpp b/src/object/sp-star.cpp
index fdb85e392..1375bcecb 100644
--- a/src/object/sp-star.cpp
+++ b/src/object/sp-star.cpp
@@ -43,8 +43,7 @@ SPStar::SPStar() : SPPolygon() ,
 	this->arg[0] = this->arg[1] = 0.0;
 }
 
-SPStar::~SPStar() {
-}
+SPStar::~SPStar() = default;
 
 void SPStar::build(SPDocument * document, Inkscape::XML::Node * repr) {
 	// CPPIFY: see header file
diff --git a/src/object/sp-stop.cpp b/src/object/sp-stop.cpp
index d016e6366..197bc519f 100644
--- a/src/object/sp-stop.cpp
+++ b/src/object/sp-stop.cpp
@@ -32,8 +32,7 @@ SPStop::SPStop() : SPObject() {
     this->opacity = 1.0;
 }
 
-SPStop::~SPStop() {
-}
+SPStop::~SPStop() = default;
 
 void SPStop::build(SPDocument* doc, Inkscape::XML::Node* repr) {
     SPObject::build(doc, repr);
diff --git a/src/object/sp-string.cpp b/src/object/sp-string.cpp
index a01b05e8f..cadc4091c 100644
--- a/src/object/sp-string.cpp
+++ b/src/object/sp-string.cpp
@@ -36,8 +36,7 @@ SPString::SPString() : SPObject() {
     // style = nullptr;
 }
 
-SPString::~SPString() {
-}
+SPString::~SPString() = default;
 
 void SPString::build(SPDocument *doc, Inkscape::XML::Node *repr) {
 
diff --git a/src/object/sp-style-elem.cpp b/src/object/sp-style-elem.cpp
index c273c844f..7ccea3ea4 100644
--- a/src/object/sp-style-elem.cpp
+++ b/src/object/sp-style-elem.cpp
@@ -22,8 +22,7 @@ SPStyleElem::SPStyleElem() : SPObject() {
     this->is_css = false;
 }
 
-SPStyleElem::~SPStyleElem() {
-}
+SPStyleElem::~SPStyleElem() = default;
 
 void SPStyleElem::set(unsigned int key, const gchar* value) {
     switch (key) {
diff --git a/src/object/sp-symbol.cpp b/src/object/sp-symbol.cpp
index 07e6f660e..d3a06a60b 100644
--- a/src/object/sp-symbol.cpp
+++ b/src/object/sp-symbol.cpp
@@ -28,8 +28,7 @@
 SPSymbol::SPSymbol() : SPGroup(), SPViewBox() {
 }
 
-SPSymbol::~SPSymbol() {
-}
+SPSymbol::~SPSymbol() = default;
 
 void SPSymbol::build(SPDocument *document, Inkscape::XML::Node *repr) {
     this->readAttr( "viewBox" );
diff --git a/src/object/sp-tag.h b/src/object/sp-tag.h
index cb06ab2cb..1a1c737d8 100644
--- a/src/object/sp-tag.h
+++ b/src/object/sp-tag.h
@@ -23,8 +23,8 @@ class SPTag;
 
 class SPTag : public SPObject {
 public:
-    SPTag() {}
-    ~SPTag() override {}
+    SPTag() = default;
+    ~SPTag() override = default;
 
     void build(SPDocument * doc, Inkscape::XML::Node *repr) override;
     //virtual void release();
diff --git a/src/object/sp-text.cpp b/src/object/sp-text.cpp
index bd0df6381..245330720 100644
--- a/src/object/sp-text.cpp
+++ b/src/object/sp-text.cpp
@@ -61,8 +61,7 @@
 SPText::SPText() : SPItem() {
 }
 
-SPText::~SPText() {
-}
+SPText::~SPText() = default;
 
 void SPText::build(SPDocument *doc, Inkscape::XML::Node *repr) {
     this->readAttr( "x" );
diff --git a/src/object/sp-title.cpp b/src/object/sp-title.cpp
index ba5ae754a..b9e966797 100644
--- a/src/object/sp-title.cpp
+++ b/src/object/sp-title.cpp
@@ -15,8 +15,7 @@
 SPTitle::SPTitle() : SPObject() {
 }
 
-SPTitle::~SPTitle() {
-}
+SPTitle::~SPTitle() = default;
 
 Inkscape::XML::Node* SPTitle::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
 	SPTitle* object = this;
diff --git a/src/object/sp-tspan.cpp b/src/object/sp-tspan.cpp
index 4df068c98..25f9e6764 100644
--- a/src/object/sp-tspan.cpp
+++ b/src/object/sp-tspan.cpp
@@ -55,8 +55,7 @@ SPTSpan::SPTSpan() : SPItem() {
     this->role = SP_TSPAN_ROLE_UNSPECIFIED;
 }
 
-SPTSpan::~SPTSpan() {
-}
+SPTSpan::~SPTSpan() = default;
 
 void SPTSpan::build(SPDocument *doc, Inkscape::XML::Node *repr) {
     this->readAttr( "x" );
diff --git a/src/preferences.cpp b/src/preferences.cpp
index 6725c1314..b7242a48d 100644
--- a/src/preferences.cpp
+++ b/src/preferences.cpp
@@ -75,7 +75,7 @@ public:
         _observer(o),
         _filter(filter)
     {}
-    ~PrefNodeObserver() override {}
+    ~PrefNodeObserver() override = default;
     void notifyAttributeChanged(XML::Node &node, GQuark name, Util::ptr_shared, Util::ptr_shared) override;
 private:
     Observer &_observer;
diff --git a/src/preferences.h b/src/preferences.h
index 9ac007528..ac9a268a6 100644
--- a/src/preferences.h
+++ b/src/preferences.h
@@ -28,7 +28,7 @@ namespace Inkscape {
 
 class ErrorReporter {
 public:
-    virtual ~ErrorReporter() {}
+    virtual ~ErrorReporter() = default;
     virtual void handleError(Glib::ustring const& primary, Glib::ustring const& secondary ) const = 0;
 };
 
@@ -121,9 +121,9 @@ public:
     class Entry {
     friend class Preferences; // Preferences class has to access _value
     public:
-        ~Entry() {}
+        ~Entry() = default;
         Entry() : _pref_path(""), _value(nullptr) {} // needed to enable use in maps
-        Entry(Entry const &other) : _pref_path(other._pref_path), _value(other._value) {}
+        Entry(Entry const &other) = default;
 
         /**
          * Check whether the received entry is valid.
diff --git a/src/pure-transform.h b/src/pure-transform.h
index a4c84d8d5..9e618639d 100644
--- a/src/pure-transform.h
+++ b/src/pure-transform.h
@@ -30,7 +30,7 @@ protected:
 
 public:
     //PureTransform();
-    virtual ~PureTransform() {};
+    virtual ~PureTransform() = default;;
 //    virtual PureTransform * clone () const = 0;  // https://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Virtual_Constructor
 
     // Snap a group of points
@@ -53,7 +53,7 @@ protected:
 public:
 //    PureTranslate();                        // Default constructor
 //    PureTranslate(PureTranslate const &);   // Copy constructor
-    ~PureTranslate() override {};
+    ~PureTranslate() override = default;;
     PureTranslate(Geom::Point vector = Geom::Point()) : _vector(vector), _vector_snapped(vector) {}
 
     Geom::Point getTranslationSnapped() {return _vector_snapped;}
@@ -68,7 +68,7 @@ protected:
     SnappedPoint snap(::SnapManager *sm, SnapCandidatePoint const &p, Geom::Point pt_orig, Geom::OptRect const &bbox_to_snap) const override;
 
 public:
-    ~PureTranslateConstrained() override {};
+    ~PureTranslateConstrained() override = default;;
     PureTranslateConstrained(Geom::Coord displacement, Geom::Dim2 direction):
         PureTranslate() {
             _vector[direction] = displacement;
@@ -95,7 +95,7 @@ protected:
 public:
 //    PureScale();                    // Default constructor
 //    PureScale(PureScale const &);   // Copy constructor
-    ~PureScale() override {};
+    ~PureScale() override = default;;
 
     PureScale(Geom::Scale scale, Geom::Point origin, bool uniform) : 
         _scale (scale),
@@ -114,7 +114,7 @@ protected:
     SnappedPoint snap(::SnapManager *sm, SnapCandidatePoint const &p, Geom::Point pt_orig, Geom::OptRect const &bbox_to_snap) const override;
 
 public:
-    ~PureScaleConstrained() override {};
+    ~PureScaleConstrained() override = default;;
     PureScaleConstrained(Geom::Scale scale, Geom::Point origin):
         PureScale(scale, origin, true) {}; // Non-uniform constrained scaling is not supported
 
@@ -138,7 +138,7 @@ protected:
     void storeTransform(SnapCandidatePoint const &original_point, SnappedPoint &snapped_point) override;
 
 public:
-    ~PureStretchConstrained() override {};
+    ~PureStretchConstrained() override = default;;
     PureStretchConstrained(Geom::Coord magnitude, Geom::Point origin, Geom::Dim2 direction, bool uniform) :
         _magnitude (magnitude),
         _stretch_snapped (Geom::Scale(magnitude, magnitude)),
@@ -175,7 +175,7 @@ protected:
     void storeTransform(SnapCandidatePoint const &original_point, SnappedPoint &snapped_point) override;
 
 public:
-    ~PureSkewConstrained() override {};
+    ~PureSkewConstrained() override = default;;
     PureSkewConstrained(Geom::Coord skew, Geom::Coord scale, Geom::Point origin, Geom::Dim2 direction) :
         _skew (skew),
         _skew_snapped (skew),
@@ -208,7 +208,7 @@ protected:
 public:
 //    PureRotate();                        // Default constructor
 //    PureRotate(PureRotate const &);   // Copy constructor
-    ~PureRotateConstrained() override {};
+    ~PureRotateConstrained() override = default;;
 
     PureRotateConstrained(double angle, Geom::Point origin) :
         _angle (angle), // in radians!
diff --git a/src/resource-manager.cpp b/src/resource-manager.cpp
index 4ca4c4e0b..fb23ffef0 100644
--- a/src/resource-manager.cpp
+++ b/src/resource-manager.cpp
@@ -157,8 +157,7 @@ ResourceManagerImpl::ResourceManagerImpl()
 }
 
 ResourceManagerImpl::~ResourceManagerImpl()
-{
-}
+= default;
 
 bool ResourceManagerImpl::extractFilepath( Glib::ustring const &href, std::string &uri )
 {                    
@@ -421,8 +420,7 @@ ResourceManager::ResourceManager()
 {
 }
 
-ResourceManager::~ResourceManager() {
-}
+ResourceManager::~ResourceManager() = default;
 
 ResourceManager& ResourceManager::getManager() {
     if ( !theInstance ) {
diff --git a/src/snap-candidate.h b/src/snap-candidate.h
index 54e33e1a8..72fdbec4b 100644
--- a/src/snap-candidate.h
+++ b/src/snap-candidate.h
@@ -28,7 +28,7 @@ namespace Inkscape {
 class SnapCandidatePoint
 {
 public:
-    SnapCandidatePoint() {}; // only needed / used for resizing() of a vector in seltrans.cpp; do not use uninitialized instances!
+    SnapCandidatePoint() = default;; // only needed / used for resizing() of a vector in seltrans.cpp; do not use uninitialized instances!
 
     SnapCandidatePoint(Geom::Point const &point, Inkscape::SnapSourceType const source, long const source_num, Inkscape::SnapTargetType const target, Geom::OptRect const &bbox)
         : _point(point),
@@ -113,7 +113,7 @@ class SnapCandidateItem
 public:
     SnapCandidateItem(SPItem* item, bool clip_or_mask, Geom::Affine additional_affine)
         : item(item), clip_or_mask(clip_or_mask), additional_affine(additional_affine) {}
-    ~SnapCandidateItem() {};
+    ~SnapCandidateItem() = default;;
 
     SPItem* item;        // An item that is to be considered for snapping to
     bool clip_or_mask;    // If true, then item refers to a clipping path or a mask
@@ -132,7 +132,7 @@ class SnapCandidatePath
 public:
     SnapCandidatePath(Geom::PathVector* path, SnapTargetType target, Geom::OptRect bbox, bool edited = false)
         : path_vector(path), target_type(target), target_bbox(bbox), currently_being_edited(edited) {};
-    ~SnapCandidatePath() {};
+    ~SnapCandidatePath() = default;;
 
     Geom::PathVector* path_vector;
     SnapTargetType target_type;
diff --git a/src/snapped-curve.cpp b/src/snapped-curve.cpp
index 38c2b6855..b2626c004 100644
--- a/src/snapped-curve.cpp
+++ b/src/snapped-curve.cpp
@@ -54,8 +54,7 @@ Inkscape::SnappedCurve::SnappedCurve()
 }
 
 Inkscape::SnappedCurve::~SnappedCurve()
-{
-}
+= default;
 
 Inkscape::SnappedPoint Inkscape::SnappedCurve::intersect(SnappedCurve const &curve, Geom::Point const &p, Geom::Affine dt2doc) const
 {
diff --git a/src/snapped-line.cpp b/src/snapped-line.cpp
index 8a307783a..149ceb16d 100644
--- a/src/snapped-line.cpp
+++ b/src/snapped-line.cpp
@@ -45,8 +45,7 @@ Inkscape::SnappedLineSegment::SnappedLineSegment()
 
 
 Inkscape::SnappedLineSegment::~SnappedLineSegment()
-{
-}
+= default;
 
 Inkscape::SnappedPoint Inkscape::SnappedLineSegment::intersect(SnappedLineSegment const &line) const
 {
@@ -123,8 +122,7 @@ Inkscape::SnappedLine::SnappedLine()
 }
 
 Inkscape::SnappedLine::~SnappedLine()
-{
-}
+= default;
 
 Inkscape::SnappedPoint Inkscape::SnappedLine::intersect(SnappedLine const &line) const
 {
diff --git a/src/snapped-point.cpp b/src/snapped-point.cpp
index f826211fa..6d1d7c2a8 100644
--- a/src/snapped-point.cpp
+++ b/src/snapped-point.cpp
@@ -117,8 +117,7 @@ Inkscape::SnappedPoint::SnappedPoint(Geom::Point const &p):
 }
 
 Inkscape::SnappedPoint::~SnappedPoint()
-{
-}
+= default;
 
 void Inkscape::SnappedPoint::getPointIfSnapped(Geom::Point &p) const
 {
diff --git a/src/snapper.h b/src/snapper.h
index 6c7995045..7bc878559 100644
--- a/src/snapper.h
+++ b/src/snapper.h
@@ -39,7 +39,7 @@ class Snapper
 public:
     //Snapper() {} //does not seem to be used somewhere
     Snapper(SnapManager *sm, ::Geom::Coord const t);
-    virtual ~Snapper() {}
+    virtual ~Snapper() = default;
 
     virtual Geom::Coord getSnapperTolerance() const = 0; //returns the tolerance of the snapper in screen pixels (i.e. independent of zoom)
     virtual bool getSnapperAlwaysSnap() const = 0; //if true, then the snapper will always snap, regardless of its tolerance
diff --git a/src/style-internal.h b/src/style-internal.h
index a34c07501..6ec5038f1 100644
--- a/src/style-internal.h
+++ b/src/style-internal.h
@@ -136,7 +136,7 @@ public:
     {}
 
     virtual ~SPIBase()
-    {}
+    = default;
 
     virtual void read( gchar const *str ) = 0;
     virtual void readIfUnset( gchar const *str, SPStyleSrc const &source = SP_STYLE_SRC_STYLE_PROP ) {
@@ -195,16 +195,7 @@ public:
     }
 
     // Explicit assignment operator required due to templates.
-    SPIBase& operator=(const SPIBase& rhs) {
-        name        = rhs.name;
-        inherits    = rhs.inherits;
-        set         = rhs.set;
-        important   = rhs.important;
-        inherit     = rhs.inherit;
-        style_src   = rhs.style_src;
-        style       = rhs.style;
-        return *this;
-    }
+    SPIBase& operator=(const SPIBase& rhs) = default;
 
     // Check apples being compared to apples
     virtual bool operator==(const SPIBase& rhs) {
@@ -245,7 +236,7 @@ public:
           value_default(value_default)
     {}
 
-    ~SPIFloat() override {}
+    ~SPIFloat() override = default;
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
                                        SPStyleSrc const &style_src_req = SP_STYLE_SRC_STYLE_PROP,
@@ -258,12 +249,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPIFloat& operator=(const SPIFloat& rhs) {
-        SPIBase::operator=(rhs);
-        value         = rhs.value;
-        value_default = rhs.value_default;
-        return *this;
-    }
+    SPIFloat& operator=(const SPIFloat& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -326,7 +312,7 @@ public:
     {}
 
     ~SPIScale24() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -340,12 +326,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPIScale24& operator=(const SPIScale24& rhs) {
-        SPIBase::operator=(rhs);
-        value         = rhs.value;
-        value_default = rhs.value_default;
-        return *this;
-    }
+    SPIScale24& operator=(const SPIScale24& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -399,7 +380,7 @@ public:
     {}
 
     ~SPILength() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -414,14 +395,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPILength& operator=(const SPILength& rhs) {
-        SPIBase::operator=(rhs);
-        unit          = rhs.unit;
-        value         = rhs.value;
-        computed      = rhs.computed;
-        value_default = rhs.value_default;
-        return *this;
-    }
+    SPILength& operator=(const SPILength& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -456,7 +430,7 @@ public:
     {}
 
     ~SPILengthOrNormal() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -470,11 +444,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPILengthOrNormal& operator=(const SPILengthOrNormal& rhs) {
-        SPILength::operator=(rhs);
-        normal = rhs.normal;
-        return *this;
-    }
+    SPILengthOrNormal& operator=(const SPILengthOrNormal& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -504,7 +474,7 @@ public:
     {}
 
     ~SPIFontVariationSettings() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -574,7 +544,7 @@ public:
     {}
 
     ~SPIEnum() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -629,7 +599,7 @@ public:
     {}
 
     ~SPIEnumBits() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -656,7 +626,7 @@ public:
     {}
 
     ~SPILigatures() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -680,7 +650,7 @@ public:
     {}
 
     ~SPINumeric() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -704,7 +674,7 @@ public:
     {}
 
     ~SPIEastAsian() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -782,7 +752,7 @@ public:
     }
 
     ~SPIColor() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -1017,7 +987,7 @@ public:
     {}  // Only one instance of SPIDashArray
 
     ~SPIDashArray() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -1031,11 +1001,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPIDashArray& operator=(const SPIDashArray& rhs) {
-        SPIBase::operator=(rhs);
-        values = rhs.values;
-        return *this;
-    }
+    SPIDashArray& operator=(const SPIDashArray& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -1067,11 +1033,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPIFilter& operator=(const SPIFilter& rhs) {
-        SPIBase::operator=(rhs);
-        href = rhs.href;
-        return *this;
-    }
+    SPIFilter& operator=(const SPIFilter& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -1102,7 +1064,7 @@ public:
     }
 
     ~SPIFontSize() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -1117,15 +1079,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPIFontSize& operator=(const SPIFontSize& rhs) {
-        SPIBase::operator=(rhs);
-        type      = rhs.type;
-        unit      = rhs.unit;
-        literal   = rhs.literal;
-        value     = rhs.value;
-        computed  = rhs.computed;
-        return *this;
-    }
+    SPIFontSize& operator=(const SPIFontSize& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -1159,7 +1113,7 @@ public:
     {}
 
     ~SPIFont() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -1175,10 +1129,7 @@ public:
     void merge(   const SPIBase* const /*parent*/ ) override
     {}
 
-    SPIFont& operator=(const SPIFont& rhs) {
-        SPIBase::operator=(rhs);
-        return *this;
-    }
+    SPIFont& operator=(const SPIFont& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -1204,7 +1155,7 @@ public:
     }
 
     ~SPIBaselineShift() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -1219,15 +1170,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPIBaselineShift& operator=(const SPIBaselineShift& rhs) {
-        SPIBase::operator=(rhs);
-        type      = rhs.type;
-        unit      = rhs.unit;
-        literal   = rhs.literal;
-        value     = rhs.value;
-        computed  = rhs.computed;
-        return *this;
-    }
+    SPIBaselineShift& operator=(const SPIBaselineShift& rhs) = default;
 
     // This is not used but we have it for completeness, it has not been tested.
     bool operator==(const SPIBase& rhs) override;
@@ -1261,7 +1204,7 @@ public:
     }
 
     ~SPITextDecorationLine() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -1275,14 +1218,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPITextDecorationLine& operator=(const SPITextDecorationLine& rhs) {
-        SPIBase::operator=(rhs);
-        underline     = rhs.underline;
-        overline      = rhs.overline;
-        line_through  = rhs.line_through;
-        blink         = rhs.blink;
-        return *this;
-    }
+    SPITextDecorationLine& operator=(const SPITextDecorationLine& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -1309,7 +1245,7 @@ public:
     }
 
     ~SPITextDecorationStyle() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
@@ -1323,15 +1259,7 @@ public:
     void cascade( const SPIBase* const parent ) override;
     void merge(   const SPIBase* const parent ) override;
 
-    SPITextDecorationStyle& operator=(const SPITextDecorationStyle& rhs) {
-        SPIBase::operator=(rhs);
-        solid     = rhs.solid;
-        isdouble  = rhs.isdouble;
-        dotted    = rhs.dotted;
-        dashed    = rhs.dashed;
-        wavy      = rhs.wavy;
-        return *this;
-    }
+    SPITextDecorationStyle& operator=(const SPITextDecorationStyle& rhs) = default;
 
     bool operator==(const SPIBase& rhs) override;
     bool operator!=(const SPIBase& rhs) override {
@@ -1366,7 +1294,7 @@ public:
     {}
 
     ~SPITextDecoration() override
-    {}
+    = default;
 
     void read( gchar const *str ) override;
     const Glib::ustring write( guint const flags = SP_STYLE_FLAG_IFSET,
diff --git a/src/text-tag-attributes.h b/src/text-tag-attributes.h
index 18edf1267..da054518a 100644
--- a/src/text-tag-attributes.h
+++ b/src/text-tag-attributes.h
@@ -22,7 +22,7 @@ element.
 */
 class TextTagAttributes {
 public:
-    TextTagAttributes() {}
+    TextTagAttributes() = default;
     TextTagAttributes(Inkscape::Text::Layout::OptionalTextTagAttrs const &attrs)
         : attributes(attrs) {}
 
diff --git a/src/trace/siox.cpp b/src/trace/siox.cpp
index 9501da3c4..e82f272ab 100644
--- a/src/trace/siox.cpp
+++ b/src/trace/siox.cpp
@@ -308,15 +308,9 @@ public:
         indexMinFg = other.indexMinFg;
         }
     Tupel &operator=(const Tupel &other)
-        {
-        minBgDist  = other.minBgDist;
-        indexMinBg = other.indexMinBg;
-        minFgDist  = other.minFgDist;
-        indexMinFg = other.indexMinFg;
-        return *this;
-        }
+        = default;
     virtual ~Tupel()
-        {}
+        = default;
 
     float minBgDist;
     long  indexMinBg;
diff --git a/src/trace/siox.h b/src/trace/siox.h
index 6f3f89a83..49e398397 100644
--- a/src/trace/siox.h
+++ b/src/trace/siox.h
@@ -108,7 +108,7 @@ public:
      *
      */
     virtual ~CieLab()
-        {}
+        = default;
 
     /**
      * Retrieve a CieLab value via index.
@@ -329,7 +329,7 @@ public:
 private:
 
     SioxImage()
-        {}
+        = default;
 
     /**
      * Assign values to that of another
@@ -395,7 +395,7 @@ public:
      *  Destructor
      */
     virtual ~SioxObserver()
-        { }
+        = default;
 
     /**
      *  Informs the observer how much has been completed.
diff --git a/src/trace/trace.cpp b/src/trace/trace.cpp
index a76be208e..026bbeed7 100644
--- a/src/trace/trace.cpp
+++ b/src/trace/trace.cpp
@@ -165,7 +165,7 @@ public:
      *
      */
     ~TraceSioxObserver () override
-        { }
+        = default;
 
     /**
      *  Informs the observer how much has been completed.
diff --git a/src/trace/trace.h b/src/trace/trace.h
index 790298261..10f7c08be 100644
--- a/src/trace/trace.h
+++ b/src/trace/trace.h
@@ -59,7 +59,7 @@ public:
      *
      */
     virtual ~TracingEngineResult()
-        { }
+        = default;
 
 
     /**
@@ -112,13 +112,13 @@ class TracingEngine
      *
      */
     TracingEngine()
-        {}
+        = default;
 
     /**
      *
      */
     virtual ~TracingEngine()
-        {}
+        = default;
 
     /**
      *  This is the working method of this interface, and all
@@ -177,7 +177,7 @@ public:
      *
      */
     ~Tracer()
-        {}
+        = default;
 
 
     /**
diff --git a/src/ui/cache/svg_preview_cache.cpp b/src/ui/cache/svg_preview_cache.cpp
index 0665f474f..5d369c9fa 100644
--- a/src/ui/cache/svg_preview_cache.cpp
+++ b/src/ui/cache/svg_preview_cache.cpp
@@ -72,8 +72,7 @@ namespace UI {
 namespace Cache {
 
 SvgPreview::SvgPreview()
-{
-}
+= default;
 
 SvgPreview::~SvgPreview()
 {
diff --git a/src/ui/clipboard.cpp b/src/ui/clipboard.cpp
index 1da3bf9bc..500da4147 100644
--- a/src/ui/clipboard.cpp
+++ b/src/ui/clipboard.cpp
@@ -188,7 +188,7 @@ ClipboardManagerImpl::ClipboardManagerImpl()
 }
 
 
-ClipboardManagerImpl::~ClipboardManagerImpl() {}
+ClipboardManagerImpl::~ClipboardManagerImpl() = default;
 
 
 /**
@@ -1533,8 +1533,8 @@ void ClipboardManagerImpl::_userWarn(SPDesktop *desktop, char const *msg)
 
 ClipboardManager *ClipboardManager::_instance = nullptr;
 
-ClipboardManager::ClipboardManager() {}
-ClipboardManager::~ClipboardManager() {}
+ClipboardManager::ClipboardManager() = default;
+ClipboardManager::~ClipboardManager() = default;
 ClipboardManager *ClipboardManager::get()
 {
     if ( _instance == nullptr ) {
diff --git a/src/ui/contextmenu.cpp b/src/ui/contextmenu.cpp
index e9ff59f36..f66a71cd8 100644
--- a/src/ui/contextmenu.cpp
+++ b/src/ui/contextmenu.cpp
@@ -165,8 +165,7 @@ ContextMenu::ContextMenu(SPDesktop *desktop, SPItem *item) :
 }
 
 ContextMenu::~ContextMenu(void)
-{
-}
+= default;
 
 Gtk::SeparatorMenuItem* ContextMenu::AddSeparator(void)
 {
diff --git a/src/ui/control-manager.cpp b/src/ui/control-manager.cpp
index 2f6cf533f..93173aa35 100644
--- a/src/ui/control-manager.cpp
+++ b/src/ui/control-manager.cpp
@@ -65,7 +65,7 @@ class ControlManagerImpl
 public:
     ControlManagerImpl(ControlManager &manager);
 
-    ~ControlManagerImpl() {}
+    ~ControlManagerImpl() = default;
 
     SPCanvasItem *createControl(SPCanvasGroup *parent, ControlType type);
 
@@ -92,7 +92,7 @@ private:
     {
     public:
         PrefListener(ControlManagerImpl &manager) : Inkscape::Preferences::Observer("/options/grabsize/value"), _mgr(manager) {}
-        ~PrefListener() override {}
+        ~PrefListener() override = default;
 
         void notify(Inkscape::Preferences::Entry const &val) override {
             int size = val.getIntLimited(3, 1, 7);
@@ -369,8 +369,7 @@ ControlManager::ControlManager() :
 }
 
 ControlManager::~ControlManager()
-{
-}
+= default;
 
 ControlManager &ControlManager::getManager()
 {
diff --git a/src/ui/dialog/align-and-distribute.cpp b/src/ui/dialog/align-and-distribute.cpp
index 23a925de1..02893d5e1 100644
--- a/src/ui/dialog/align-and-distribute.cpp
+++ b/src/ui/dialog/align-and-distribute.cpp
@@ -253,13 +253,11 @@ BBoxSort::BBoxSort(SPItem *pItem, Geom::Rect const &bounds, Geom::Dim2 orientati
 {
         anchor = kBegin * bbox.min()[orientation] + kEnd * bbox.max()[orientation];
 }
-BBoxSort::BBoxSort(const BBoxSort &rhs) :
+BBoxSort::BBoxSort(const BBoxSort &rhs)
         //NOTE :  this copy ctor is called O(sort) when sorting the vector
         //this is bad. The vector should be a vector of pointers.
         //But I'll wait the bohem GC before doing that
-        item(rhs.item), anchor(rhs.anchor), bbox(rhs.bbox)
-{
-}
+= default;
 
 bool operator< (const BBoxSort &a, const BBoxSort &b)
 {
diff --git a/src/ui/dialog/align-and-distribute.h b/src/ui/dialog/align-and-distribute.h
index d34bb8cc8..f8099908d 100644
--- a/src/ui/dialog/align-and-distribute.h
+++ b/src/ui/dialog/align-and-distribute.h
@@ -145,7 +145,7 @@ public :
 	   Gtk::Grid &parent,
            AlignAndDistribute &dialog);
 
-    virtual ~Action(){}
+    virtual ~Action()= default;
 
     AlignAndDistribute &_dialog;
 
diff --git a/src/ui/dialog/arrange-tab.h b/src/ui/dialog/arrange-tab.h
index 55baf775f..cbc6cfd4f 100644
--- a/src/ui/dialog/arrange-tab.h
+++ b/src/ui/dialog/arrange-tab.h
@@ -25,8 +25,8 @@ namespace Dialog {
 class ArrangeTab : public Gtk::VBox
 {
 public:
-	ArrangeTab() {};
-	~ArrangeTab() override {};
+	ArrangeTab() = default;;
+	~ArrangeTab() override = default;;
 
 	/**
 	 * Do the actual work! This method is invoked to actually arrange the
diff --git a/src/ui/dialog/behavior.h b/src/ui/dialog/behavior.h
index fbe47c635..28cbf99a2 100644
--- a/src/ui/dialog/behavior.h
+++ b/src/ui/dialog/behavior.h
@@ -39,7 +39,7 @@ Behavior *create(Dialog &dialog)
 class Behavior {
 
 public:
-    virtual ~Behavior() { }
+    virtual ~Behavior() = default;
 
     /** Gtk::Dialog methods */
     virtual operator Gtk::Widget&() =0;
diff --git a/src/ui/dialog/calligraphic-profile-rename.h b/src/ui/dialog/calligraphic-profile-rename.h
index 6d8fa5c64..0e5bce9ba 100644
--- a/src/ui/dialog/calligraphic-profile-rename.h
+++ b/src/ui/dialog/calligraphic-profile-rename.h
@@ -32,7 +32,7 @@ namespace Dialog {
 class CalligraphicProfileRename : public Gtk::Dialog {  
 public:
     CalligraphicProfileRename();
-    ~CalligraphicProfileRename() override {}
+    ~CalligraphicProfileRename() override = default;
     Glib::ustring getName() const {
         return "CalligraphicProfileRename";
     }
diff --git a/src/ui/dialog/color-item.cpp b/src/ui/dialog/color-item.cpp
index 04ade3d1e..4ebee6834 100644
--- a/src/ui/dialog/color-item.cpp
+++ b/src/ui/dialog/color-item.cpp
@@ -259,8 +259,7 @@ SwatchPage::SwatchPage()
 }
 
 SwatchPage::~SwatchPage()
-{
-}
+= default;
 
 
 ColorItem::ColorItem(ege::PaintDef::ColorType type) :
diff --git a/src/ui/dialog/debug.cpp b/src/ui/dialog/debug.cpp
index a34185f49..36f4607fb 100644
--- a/src/ui/dialog/debug.cpp
+++ b/src/ui/dialog/debug.cpp
@@ -117,8 +117,7 @@ DebugDialog *DebugDialog::create()
 }
 
 DebugDialogImpl::~DebugDialogImpl()
-{
-}
+= default;
 
 void DebugDialogImpl::show()
 {
diff --git a/src/ui/dialog/debug.h b/src/ui/dialog/debug.h
index 34785a617..416959fb3 100644
--- a/src/ui/dialog/debug.h
+++ b/src/ui/dialog/debug.h
@@ -27,7 +27,7 @@ namespace Dialog {
 class DebugDialog
 {
 public:
-    DebugDialog() {};
+    DebugDialog() = default;;
     /**
      * Factory method
      */
@@ -36,7 +36,7 @@ public:
     /**
      * Destructor
      */
-    virtual ~DebugDialog() {};
+    virtual ~DebugDialog() = default;;
 
 
     /**
diff --git a/src/ui/dialog/dock-behavior.cpp b/src/ui/dialog/dock-behavior.cpp
index bff2b2b64..7d1131a5f 100644
--- a/src/ui/dialog/dock-behavior.cpp
+++ b/src/ui/dialog/dock-behavior.cpp
@@ -59,8 +59,7 @@ DockBehavior::DockBehavior(Dialog &dialog) :
 }
 
 DockBehavior::~DockBehavior()
-{
-}
+= default;
 
 
 Behavior *
diff --git a/src/ui/dialog/extension-editor.cpp b/src/ui/dialog/extension-editor.cpp
index 2413d51e0..fdbf59c1d 100644
--- a/src/ui/dialog/extension-editor.cpp
+++ b/src/ui/dialog/extension-editor.cpp
@@ -94,8 +94,7 @@ ExtensionEditor::ExtensionEditor()
  * Destroys the extension editor dialog.
  */
 ExtensionEditor::~ExtensionEditor()
-{
-}
+= default;
 
 void
 ExtensionEditor::setExtension(Glib::ustring extension_id) {
diff --git a/src/ui/dialog/filedialog.h b/src/ui/dialog/filedialog.h
index 071824ab9..a652266c7 100644
--- a/src/ui/dialog/filedialog.h
+++ b/src/ui/dialog/filedialog.h
@@ -88,7 +88,7 @@ public:
      * @param title the title of the dialog
      */
     FileOpenDialog()
-        {};
+        = default;;
 
     /**
      * Factory.
@@ -106,7 +106,7 @@ public:
      * Destructor.
      * Perform any necessary cleanups.
      */
-    virtual ~FileOpenDialog() {};
+    virtual ~FileOpenDialog() = default;;
 
     /**
      * Show an OpenFile file selector.
@@ -158,7 +158,7 @@ public:
      * @param key a list of file types from which the user can select
      */
     FileSaveDialog ()
-        {};
+        = default;;
 
     /**
      * Factory.
@@ -180,7 +180,7 @@ public:
      * Destructor.
      * Perform any necessary cleanups.
      */
-    virtual ~FileSaveDialog() {};
+    virtual ~FileSaveDialog() = default;;
 
 
     /**
diff --git a/src/ui/dialog/filedialogimpl-gtkmm.cpp b/src/ui/dialog/filedialogimpl-gtkmm.cpp
index 4466c888a..006a59ece 100644
--- a/src/ui/dialog/filedialogimpl-gtkmm.cpp
+++ b/src/ui/dialog/filedialogimpl-gtkmm.cpp
@@ -595,8 +595,7 @@ SVGPreview::SVGPreview()
 }
 
 SVGPreview::~SVGPreview()
-{
-}
+= default;
 
 
 /*#########################################################################
@@ -739,8 +738,7 @@ FileOpenDialogImplGtk::FileOpenDialogImplGtk(Gtk::Window &parentWindow, const Gl
  * Destructor
  */
 FileOpenDialogImplGtk::~FileOpenDialogImplGtk()
-{
-}
+= default;
 
 void FileOpenDialogImplGtk::addFilterMenu(Glib::ustring name, Glib::ustring pattern)
 {
@@ -1049,8 +1047,7 @@ FileSaveDialogImplGtk::FileSaveDialogImplGtk(Gtk::Window &parentWindow, const Gl
  * Destructor
  */
 FileSaveDialogImplGtk::~FileSaveDialogImplGtk()
-{
-}
+= default;
 
 /**
  * Callback for fileNameEntry widget
diff --git a/src/ui/dialog/filedialogimpl-gtkmm.h b/src/ui/dialog/filedialogimpl-gtkmm.h
index 65018efa7..771b08df7 100644
--- a/src/ui/dialog/filedialogimpl-gtkmm.h
+++ b/src/ui/dialog/filedialogimpl-gtkmm.h
@@ -68,7 +68,7 @@ class FileType
 {
     public:
     FileType(): name(), pattern(),extension(nullptr) {}
-    ~FileType() {}
+    ~FileType() = default;
     Glib::ustring name;
     Glib::ustring pattern;
     Inkscape::Extension::Extension *extension;
@@ -170,7 +170,7 @@ public:
      *
      */
     ~FileDialogBaseGtk() override
-        {}
+        = default;
 
 protected:
     void cleanup( bool showConfirmed );
diff --git a/src/ui/dialog/filter-editor.cpp b/src/ui/dialog/filter-editor.cpp
index ef702aba4..de1d8f6ae 100644
--- a/src/ui/dialog/filter-editor.cpp
+++ b/src/ui/dialog/filter-editor.cpp
@@ -104,7 +104,7 @@ FilterEditorDialog::FilterEditorDialog() : UI::Widget::Panel("/dialogs/filtereff
 
 
 }
-FilterEditorDialog::~FilterEditorDialog(){}
+FilterEditorDialog::~FilterEditorDialog()= default;
 
 
 
diff --git a/src/ui/dialog/font-substitution.cpp b/src/ui/dialog/font-substitution.cpp
index 7ec7cb3e1..df7a3349e 100644
--- a/src/ui/dialog/font-substitution.cpp
+++ b/src/ui/dialog/font-substitution.cpp
@@ -45,12 +45,10 @@ namespace UI {
 namespace Dialog {
 
 FontSubstitution::FontSubstitution()
-{
-}
+= default;
 
 FontSubstitution::~FontSubstitution()
-{
-}
+= default;
 
 void
 FontSubstitution::checkFontSubstitutions(SPDocument* doc)
diff --git a/src/ui/dialog/grid-arrange-tab.h b/src/ui/dialog/grid-arrange-tab.h
index 5dff1bcf6..c908d74bf 100644
--- a/src/ui/dialog/grid-arrange-tab.h
+++ b/src/ui/dialog/grid-arrange-tab.h
@@ -39,7 +39,7 @@ class ArrangeDialog;
 class GridArrangeTab : public ArrangeTab {
 public:
     GridArrangeTab(ArrangeDialog *parent);
-    ~GridArrangeTab() override {};
+    ~GridArrangeTab() override = default;;
 
     /**
      * Do the actual work
diff --git a/src/ui/dialog/inkscape-preferences.cpp b/src/ui/dialog/inkscape-preferences.cpp
index 3261a0376..06309885c 100644
--- a/src/ui/dialog/inkscape-preferences.cpp
+++ b/src/ui/dialog/inkscape-preferences.cpp
@@ -179,8 +179,7 @@ InkscapePreferences::InkscapePreferences()
 }
 
 InkscapePreferences::~InkscapePreferences()
-{
-}
+= default;
 
 Gtk::TreeModel::iterator InkscapePreferences::AddPage(DialogPage& p, Glib::ustring title, int id)
 {
diff --git a/src/ui/dialog/inkscape-preferences.h b/src/ui/dialog/inkscape-preferences.h
index 2a6e3040c..7aaef90b4 100644
--- a/src/ui/dialog/inkscape-preferences.h
+++ b/src/ui/dialog/inkscape-preferences.h
@@ -468,8 +468,7 @@ protected:
             add(shortcutid);
             add(user_set);
         }
-        ~ModelColumns() override {
-        }
+        ~ModelColumns() override = default;
 
         Gtk::TreeModelColumn<Glib::ustring> name;
         Gtk::TreeModelColumn<Glib::ustring> id;
diff --git a/src/ui/dialog/input.cpp b/src/ui/dialog/input.cpp
index 34a8c3820..012b76a38 100644
--- a/src/ui/dialog/input.cpp
+++ b/src/ui/dialog/input.cpp
@@ -377,7 +377,7 @@ static std::map<Glib::ustring, Gdk::InputMode> &getStringToMode()
 class InputDialogImpl : public InputDialog {
 public:
     InputDialogImpl();
-    ~InputDialogImpl() override {}
+    ~InputDialogImpl() override = default;
 
 private:
     class ConfPanel : public Gtk::VBox
@@ -436,7 +436,7 @@ private:
                 add(name);
                 add(value);
             }
-            ~KeysColumns() override {}
+            ~KeysColumns() override = default;
 
             Gtk::TreeModelColumn<Glib::ustring> name;
             Gtk::TreeModelColumn<Glib::ustring> value;
@@ -743,7 +743,7 @@ InputDialogImpl::InputDialogImpl() :
 
 class TabletTmp {
 public:
-    TabletTmp() {}
+    TabletTmp() = default;
 
     Glib::ustring name;
     std::list<Glib::RefPtr<InputDevice const> > devices;
@@ -1060,8 +1060,7 @@ InputDialogImpl::ConfPanel::ConfPanel() :
 }
 
 InputDialogImpl::ConfPanel::~ConfPanel()
-{
-}
+= default;
 
 void InputDialogImpl::ConfPanel::setModeCellString(Gtk::CellRenderer *rndr, Gtk::TreeIter const &iter)
 {
diff --git a/src/ui/dialog/input.h b/src/ui/dialog/input.h
index e79e32854..bd102d8d1 100644
--- a/src/ui/dialog/input.h
+++ b/src/ui/dialog/input.h
@@ -26,7 +26,7 @@ public:
     static InputDialog &getInstance();
 
     InputDialog() : UI::Widget::Panel("/dialogs/inputdevices", SP_VERB_DIALOG_INPUT) {}
-    ~InputDialog() override {}
+    ~InputDialog() override = default;
 };
 
 } // namespace Dialog
diff --git a/src/ui/dialog/layer-properties.h b/src/ui/dialog/layer-properties.h
index 0e7f8b10d..f263f383b 100644
--- a/src/ui/dialog/layer-properties.h
+++ b/src/ui/dialog/layer-properties.h
@@ -55,7 +55,7 @@ class LayerPropertiesDialog : public Gtk::Dialog {
 
 protected:
     struct Strategy {
-        virtual ~Strategy() {}
+        virtual ~Strategy() = default;
         virtual void setup(LayerPropertiesDialog &)=0;
         virtual void perform(LayerPropertiesDialog &)=0;
     };
@@ -112,7 +112,7 @@ protected:
             add(_colLocked);
             add(_colLabel);
         }
-        ~ModelColumns() override {}
+        ~ModelColumns() override = default;
 
         Gtk::TreeModelColumn<SPObject*> _colObject;
         Gtk::TreeModelColumn<Glib::ustring> _colLabel;
diff --git a/src/ui/dialog/layers.cpp b/src/ui/dialog/layers.cpp
index c836f9925..fe528d34d 100644
--- a/src/ui/dialog/layers.cpp
+++ b/src/ui/dialog/layers.cpp
@@ -312,7 +312,7 @@ public:
         add(_colLocked);
         add(_colLabel);
     }
-    ~ModelColumns() override {}
+    ~ModelColumns() override = default;
 
     Gtk::TreeModelColumn<SPObject*> _colObject;
     Gtk::TreeModelColumn<Glib::ustring> _colLabel;
diff --git a/src/ui/dialog/livepatheffect-add.h b/src/ui/dialog/livepatheffect-add.h
index 790feae29..7bfb1ab5d 100644
--- a/src/ui/dialog/livepatheffect-add.h
+++ b/src/ui/dialog/livepatheffect-add.h
@@ -30,7 +30,7 @@ namespace Dialog {
 class LivePathEffectAdd : public Gtk::Dialog {
 public:
     LivePathEffectAdd();
-    ~LivePathEffectAdd() override {}
+    ~LivePathEffectAdd() override = default;
 
     /**
      * Show the dialog
@@ -86,7 +86,7 @@ private:
             //add(desc);
             add(data);
         }
-        ~ModelColumns() override {}
+        ~ModelColumns() override = default;
 
         Gtk::TreeModelColumn<Glib::ustring> name;
         /**
diff --git a/src/ui/dialog/livepatheffect-editor.h b/src/ui/dialog/livepatheffect-editor.h
index e355bba6e..26e278071 100644
--- a/src/ui/dialog/livepatheffect-editor.h
+++ b/src/ui/dialog/livepatheffect-editor.h
@@ -88,7 +88,7 @@ private:
             add(lperef);
             add(col_visible);
         }
-        ~ModelColumns() override {}
+        ~ModelColumns() override = default;
 
         Gtk::TreeModelColumn<Glib::ustring> col_name;
         Gtk::TreeModelColumn<LivePathEffect::LPEObjectReference *> lperef;
diff --git a/src/ui/dialog/messages.cpp b/src/ui/dialog/messages.cpp
index 5ff0d24e8..887f77c07 100644
--- a/src/ui/dialog/messages.cpp
+++ b/src/ui/dialog/messages.cpp
@@ -101,8 +101,7 @@ Messages::Messages()
 }
 
 Messages::~Messages()
-{
-}
+= default;
 
 
 //#########################################################################
diff --git a/src/ui/dialog/objects.cpp b/src/ui/dialog/objects.cpp
index a5b86a561..397f5690e 100644
--- a/src/ui/dialog/objects.cpp
+++ b/src/ui/dialog/objects.cpp
@@ -213,7 +213,7 @@ public:
         add(_colClipMask);
         //add(_colInsertOrder);
     }
-    ~ModelColumns() override {}
+    ~ModelColumns() override = default;
 
     Gtk::TreeModelColumn<SPItem*> _colObject;
     Gtk::TreeModelColumn<Glib::ustring> _colLabel;
diff --git a/src/ui/dialog/ocaldialogs.h b/src/ui/dialog/ocaldialogs.h
index 49befd411..ebae47a1b 100644
--- a/src/ui/dialog/ocaldialogs.h
+++ b/src/ui/dialog/ocaldialogs.h
@@ -85,7 +85,7 @@ public:
      * Destructor
      */
     ~FileDialogBase() override
-    {}
+    = default;
 
 protected:
     void cleanup( bool showConfirmed );
diff --git a/src/ui/dialog/panel-dialog.h b/src/ui/dialog/panel-dialog.h
index 47bb8db4f..0a8704445 100644
--- a/src/ui/dialog/panel-dialog.h
+++ b/src/ui/dialog/panel-dialog.h
@@ -42,7 +42,7 @@ public:
       _panel (panel) { }
 
     virtual void present() = 0;
-    virtual ~PanelDialogBase() {}
+    virtual ~PanelDialogBase() = default;
 
     virtual UI::Widget::Panel &getPanel() { return _panel; }
 
@@ -77,7 +77,7 @@ public:
      */
     PanelDialog(UI::Widget::Panel &contents, char const *prefs_path, int const verb_num);
 
-    ~PanelDialog() override {}
+    ~PanelDialog() override = default;
 
     template <typename T>
     static PanelDialog<Behavior> *create();
@@ -100,7 +100,7 @@ class PanelDialog<Behavior::FloatingBehavior> :
 public:
     inline PanelDialog(UI::Widget::Panel &contents, char const *prefs_path, int const verb_num);
 
-    ~PanelDialog() override {}
+    ~PanelDialog() override = default;
 
     template <typename T>
     static PanelDialog<Behavior::FloatingBehavior> *create();
diff --git a/src/ui/dialog/pixelartdialog.h b/src/ui/dialog/pixelartdialog.h
index d0eac9296..a0add2e94 100644
--- a/src/ui/dialog/pixelartdialog.h
+++ b/src/ui/dialog/pixelartdialog.h
@@ -36,7 +36,7 @@ public:
 
     static PixelArtDialog &getInstance();
 
-    ~PixelArtDialog() override {};
+    ~PixelArtDialog() override = default;;
 };
 
 
diff --git a/src/ui/dialog/polar-arrange-tab.h b/src/ui/dialog/polar-arrange-tab.h
index aeb8613ee..0df26423a 100644
--- a/src/ui/dialog/polar-arrange-tab.h
+++ b/src/ui/dialog/polar-arrange-tab.h
@@ -35,7 +35,7 @@ class ArrangeDialog;
 class PolarArrangeTab : public ArrangeTab {
 public:
 	PolarArrangeTab(ArrangeDialog *parent_);
-    ~PolarArrangeTab() override {};
+    ~PolarArrangeTab() override = default;;
 
     /**
      * Do the actual arrangement
diff --git a/src/ui/dialog/spellcheck.h b/src/ui/dialog/spellcheck.h
index 5156d0e00..a65b25440 100644
--- a/src/ui/dialog/spellcheck.h
+++ b/src/ui/dialog/spellcheck.h
@@ -262,7 +262,7 @@ private:
         {
             add(suggestions);
         }
-        ~TreeColumns() override {}
+        ~TreeColumns() override = default;
         Gtk::TreeModelColumn<Glib::ustring> suggestions;
     };
     TreeColumns tree_columns;
diff --git a/src/ui/dialog/styledialog.cpp b/src/ui/dialog/styledialog.cpp
index 307c6f6a7..db284466d 100644
--- a/src/ui/dialog/styledialog.cpp
+++ b/src/ui/dialog/styledialog.cpp
@@ -168,8 +168,7 @@ StyleDialog::_nodeChanged( Inkscape::XML::Node &object ) {
 }
 
 StyleDialog::TreeStore::TreeStore()
-{
-}
+= default;
 
 
 /**
@@ -1045,7 +1044,7 @@ bool StyleDialog::_handleButtonEvent(GdkEventButton *event)
 class PropertyData
 {
 public:
-    PropertyData() {};
+    PropertyData() = default;;
     PropertyData(Glib::ustring name) : _name(name) {};
 
     void _setSheetValue(Glib::ustring value) { _sheetValue = value; };
diff --git a/src/ui/dialog/svg-fonts-dialog.cpp b/src/ui/dialog/svg-fonts-dialog.cpp
index 1c418a76d..5c3732ff2 100644
--- a/src/ui/dialog/svg-fonts-dialog.cpp
+++ b/src/ui/dialog/svg-fonts-dialog.cpp
@@ -236,8 +236,7 @@ Gtk::HBox* SvgFontsDialog::AttrSpin(gchar* lbl){
 
 /*** SvgFontsDialog ***/
 
-GlyphComboBox::GlyphComboBox(){
-}
+GlyphComboBox::GlyphComboBox()= default;
 
 void GlyphComboBox::update(SPFont* spfont){
     if (!spfont) return;
@@ -1049,7 +1048,7 @@ SvgFontsDialog::SvgFontsDialog()
     _getContents()->show_all();
 }
 
-SvgFontsDialog::~SvgFontsDialog(){}
+SvgFontsDialog::~SvgFontsDialog()= default;
 
 } // namespace Dialog
 } // namespace UI
diff --git a/src/ui/dialog/tags.cpp b/src/ui/dialog/tags.cpp
index 720cf0507..ed8c00c61 100644
--- a/src/ui/dialog/tags.cpp
+++ b/src/ui/dialog/tags.cpp
@@ -279,7 +279,7 @@ public:
         add(_colAddRemove);
         add(_colAllowAddRemove);
     }
-    ~ModelColumns() override {}
+    ~ModelColumns() override = default;
 
     Gtk::TreeModelColumn<SPObject*> _colParentObject;
     Gtk::TreeModelColumn<SPObject*> _colObject;
diff --git a/src/ui/dialog/template-load-tab.cpp b/src/ui/dialog/template-load-tab.cpp
index 8e4a3c667..9e710f0fb 100644
--- a/src/ui/dialog/template-load-tab.cpp
+++ b/src/ui/dialog/template-load-tab.cpp
@@ -65,8 +65,7 @@ TemplateLoadTab::TemplateLoadTab(NewFromTemplate* parent)
 
 
 TemplateLoadTab::~TemplateLoadTab()
-{
-}
+= default;
 
 
 void TemplateLoadTab::createTemplate()
diff --git a/src/ui/dialog/tile.h b/src/ui/dialog/tile.h
index a368c7072..70e4770f7 100644
--- a/src/ui/dialog/tile.h
+++ b/src/ui/dialog/tile.h
@@ -52,7 +52,7 @@ private:
 
 public:
 	ArrangeDialog();
-	~ArrangeDialog() override {};
+	~ArrangeDialog() override = default;;
 
     /**
      * Callback from Apply
diff --git a/src/ui/dialog/tracedialog.h b/src/ui/dialog/tracedialog.h
index 2a6b7a1a0..9d7138d08 100644
--- a/src/ui/dialog/tracedialog.h
+++ b/src/ui/dialog/tracedialog.h
@@ -44,7 +44,7 @@ public:
     /**
      * Destructor
      */
-    ~TraceDialog() override {};
+    ~TraceDialog() override = default;;
 
 
 };
diff --git a/src/ui/dialog/undo-history.h b/src/ui/dialog/undo-history.h
index ae5be30ff..294479816 100644
--- a/src/ui/dialog/undo-history.h
+++ b/src/ui/dialog/undo-history.h
@@ -67,7 +67,7 @@ class CellRendererInt : public Gtk::CellRendererText {
 public:
 
     struct Filter : std::unary_function<int, bool> {
-        virtual ~Filter() {}
+        virtual ~Filter() = default;
         virtual bool operator() (const int&) const =0;
     };
 
diff --git a/src/ui/previewable.h b/src/ui/previewable.h
index 377e109fb..c733c31df 100644
--- a/src/ui/previewable.h
+++ b/src/ui/previewable.h
@@ -40,7 +40,7 @@ class Previewable
 {
 public:
 // TODO need to add some nice parameters
-    virtual ~Previewable() {}
+    virtual ~Previewable() = default;
     virtual Gtk::Widget* getPreview( PreviewStyle style, ViewType view, ::PreviewSize size, guint ratio, guint border) = 0;
 };
 
diff --git a/src/ui/previewholder.cpp b/src/ui/previewholder.cpp
index 8198e709c..ae6907cc7 100644
--- a/src/ui/previewholder.cpp
+++ b/src/ui/previewholder.cpp
@@ -65,8 +65,7 @@ PreviewHolder::PreviewHolder() :
 }
 
 PreviewHolder::~PreviewHolder()
-{
-}
+= default;
 
 bool PreviewHolder::on_scroll_event(GdkEventScroll *event)
 {
diff --git a/src/ui/selected-color.cpp b/src/ui/selected-color.cpp
index 422088ed2..f7ba74a5a 100644
--- a/src/ui/selected-color.cpp
+++ b/src/ui/selected-color.cpp
@@ -35,9 +35,7 @@ SelectedColor::SelectedColor()
 
 }
 
-SelectedColor::~SelectedColor() {
-
-}
+SelectedColor::~SelectedColor() = default;
 
 void SelectedColor::setColor(SPColor const &color)
 {
diff --git a/src/ui/selected-color.h b/src/ui/selected-color.h
index 3d5858d3f..36d5e5233 100644
--- a/src/ui/selected-color.h
+++ b/src/ui/selected-color.h
@@ -73,8 +73,7 @@ private:
 
 class ColorSelectorFactory {
 public:
-    virtual ~ColorSelectorFactory() {
-    }
+    virtual ~ColorSelectorFactory() = default;
 
     virtual Gtk::Widget* createWidget(SelectedColor &color) const = 0;
     virtual Glib::ustring modeName() const = 0;
diff --git a/src/ui/shape-editor-knotholders.cpp b/src/ui/shape-editor-knotholders.cpp
index d3bd6fa1b..abcab90f2 100644
--- a/src/ui/shape-editor-knotholders.cpp
+++ b/src/ui/shape-editor-knotholders.cpp
@@ -41,49 +41,49 @@
 class RectKnotHolder : public KnotHolder {
 public:
     RectKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~RectKnotHolder() override {};
+    ~RectKnotHolder() override = default;;
 };
 
 class Box3DKnotHolder : public KnotHolder {
 public:
     Box3DKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~Box3DKnotHolder() override {};
+    ~Box3DKnotHolder() override = default;;
 };
 
 class ArcKnotHolder : public KnotHolder {
 public:
     ArcKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~ArcKnotHolder() override {};
+    ~ArcKnotHolder() override = default;;
 };
 
 class StarKnotHolder : public KnotHolder {
 public:
     StarKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~StarKnotHolder() override {};
+    ~StarKnotHolder() override = default;;
 };
 
 class SpiralKnotHolder : public KnotHolder {
 public:
     SpiralKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~SpiralKnotHolder() override {};
+    ~SpiralKnotHolder() override = default;;
 };
 
 class OffsetKnotHolder : public KnotHolder {
 public:
     OffsetKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~OffsetKnotHolder() override {};
+    ~OffsetKnotHolder() override = default;;
 };
 
 class FlowtextKnotHolder : public KnotHolder {
 public:
     FlowtextKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~FlowtextKnotHolder() override {};
+    ~FlowtextKnotHolder() override = default;;
 };
 
 class MiscKnotHolder : public KnotHolder {
 public:
     MiscKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler);
-    ~MiscKnotHolder() override {};
+    ~MiscKnotHolder() override = default;;
 };
 
 namespace {
diff --git a/src/ui/tool/manipulator.h b/src/ui/tool/manipulator.h
index 96861e660..25862a039 100644
--- a/src/ui/tool/manipulator.h
+++ b/src/ui/tool/manipulator.h
@@ -36,7 +36,7 @@ public:
     Manipulator(SPDesktop *d)
         : _desktop(d)
     {}
-    virtual ~Manipulator() {}
+    virtual ~Manipulator() = default;
     
     /// Handle input event. Returns true if handled.
     virtual bool event(Inkscape::UI::Tools::ToolBase *, GdkEvent *)=0;
diff --git a/src/ui/tools/dropper-tool.cpp b/src/ui/tools/dropper-tool.cpp
index 0c81e179c..d11ed1d83 100644
--- a/src/ui/tools/dropper-tool.cpp
+++ b/src/ui/tools/dropper-tool.cpp
@@ -78,8 +78,7 @@ DropperTool::DropperTool()
 {
 }
 
-DropperTool::~DropperTool() {
-}
+DropperTool::~DropperTool() = default;
 
 void DropperTool::setup() {
     ToolBase::setup();
diff --git a/src/ui/tools/eraser-tool.cpp b/src/ui/tools/eraser-tool.cpp
index a76234aa4..1cd9db6b2 100644
--- a/src/ui/tools/eraser-tool.cpp
+++ b/src/ui/tools/eraser-tool.cpp
@@ -103,8 +103,7 @@ EraserTool::EraserTool()
 {
 }
 
-EraserTool::~EraserTool() {
-}
+EraserTool::~EraserTool() = default;
 
 void EraserTool::setup() {
     DynamicBase::setup();
diff --git a/src/ui/tools/zoom-tool.cpp b/src/ui/tools/zoom-tool.cpp
index dcd6eac80..5310e0f17 100644
--- a/src/ui/tools/zoom-tool.cpp
+++ b/src/ui/tools/zoom-tool.cpp
@@ -42,8 +42,7 @@ ZoomTool::ZoomTool()
 {
 }
 
-ZoomTool::~ZoomTool() {
-}
+ZoomTool::~ZoomTool() = default;
 
 void ZoomTool::finish() {
 	this->enableGrDrag(false);
diff --git a/src/ui/uxmanager.cpp b/src/ui/uxmanager.cpp
index 5256ecf88..d7f7ba87b 100644
--- a/src/ui/uxmanager.cpp
+++ b/src/ui/uxmanager.cpp
@@ -106,12 +106,10 @@ UXManager* UXManager::getInstance()
 
 
 UXManager::UXManager()
-{
-}
+= default;
 
 UXManager::~UXManager()
-{
-}
+= default;
 
 UXManagerImpl::UXManagerImpl() :
     _widescreen(false)
@@ -136,8 +134,7 @@ UXManagerImpl::UXManagerImpl() :
 }
 
 UXManagerImpl::~UXManagerImpl()
-{
-}
+= default;
 
 bool UXManagerImpl::isWidescreen() const
 {
diff --git a/src/ui/view/edit-widget-interface.h b/src/ui/view/edit-widget-interface.h
index a8f68518f..f2e34b534 100644
--- a/src/ui/view/edit-widget-interface.h
+++ b/src/ui/view/edit-widget-interface.h
@@ -34,8 +34,8 @@ namespace View {
  */
 struct EditWidgetInterface
 {
-    EditWidgetInterface() {}
-    virtual ~EditWidgetInterface() {}
+    EditWidgetInterface() = default;
+    virtual ~EditWidgetInterface() = default;
 
     /// Returns pointer to window UI object as void*
     virtual Gtk::Window *getWindow() = 0;
diff --git a/src/ui/widget/addtoicon.h b/src/ui/widget/addtoicon.h
index f79d12cdf..60c773e84 100644
--- a/src/ui/widget/addtoicon.h
+++ b/src/ui/widget/addtoicon.h
@@ -24,7 +24,7 @@ namespace Widget {
 class AddToIcon : public Gtk::CellRendererPixbuf {
 public:
     AddToIcon();
-    ~AddToIcon() override {};
+    ~AddToIcon() override = default;;
 
     Glib::PropertyProxy<bool> property_active() { return _property_active.get_proxy(); }
     Glib::PropertyProxy< Glib::RefPtr<Gdk::Pixbuf> > property_pixbuf_on();
diff --git a/src/ui/widget/attr-widget.h b/src/ui/widget/attr-widget.h
index 8dbff8874..d50bdc65a 100644
--- a/src/ui/widget/attr-widget.h
+++ b/src/ui/widget/attr-widget.h
@@ -134,7 +134,7 @@ public:
     {}
 
     virtual ~AttrWidget()
-    {}
+    = default;
 
     virtual Glib::ustring get_as_attribute() const = 0;
     virtual void set_from_attribute(SPObject*) = 0;
diff --git a/src/ui/widget/clipmaskicon.h b/src/ui/widget/clipmaskicon.h
index d355a1caf..25725e33a 100644
--- a/src/ui/widget/clipmaskicon.h
+++ b/src/ui/widget/clipmaskicon.h
@@ -24,7 +24,7 @@ namespace Widget {
 class ClipMaskIcon : public Gtk::CellRendererPixbuf {
 public:
     ClipMaskIcon();
-    ~ClipMaskIcon() override {};
+    ~ClipMaskIcon() override = default;;
 
     Glib::PropertyProxy<int> property_active() { return _property_active.get_proxy(); }
     Glib::PropertyProxy< Glib::RefPtr<Gdk::Pixbuf> > property_pixbuf_on();
diff --git a/src/ui/widget/color-scales.cpp b/src/ui/widget/color-scales.cpp
index 620e77cbf..57555a53d 100644
--- a/src/ui/widget/color-scales.cpp
+++ b/src/ui/widget/color-scales.cpp
@@ -729,7 +729,7 @@ ColorScalesFactory::ColorScalesFactory(SPColorScalesMode submode)
 {
 }
 
-ColorScalesFactory::~ColorScalesFactory() {}
+ColorScalesFactory::~ColorScalesFactory() = default;
 
 Gtk::Widget *ColorScalesFactory::createWidget(Inkscape::UI::SelectedColor &color) const
 {
diff --git a/src/ui/widget/highlight-picker.cpp b/src/ui/widget/highlight-picker.cpp
index 3d8ab50ea..a3abc32bb 100644
--- a/src/ui/widget/highlight-picker.cpp
+++ b/src/ui/widget/highlight-picker.cpp
@@ -28,8 +28,7 @@ HighlightPicker::HighlightPicker() :
 }
 
 HighlightPicker::~HighlightPicker()
-{
-}
+= default;
 
 void HighlightPicker::get_preferred_height_vfunc(Gtk::Widget& widget,
                                               int& min_h,
diff --git a/src/ui/widget/imagetoggler.h b/src/ui/widget/imagetoggler.h
index f537cc74c..86c12bc03 100644
--- a/src/ui/widget/imagetoggler.h
+++ b/src/ui/widget/imagetoggler.h
@@ -25,7 +25,7 @@ namespace Widget {
 class ImageToggler : public Gtk::CellRendererPixbuf {
 public:
     ImageToggler( char const *on, char const *off);
-    ~ImageToggler() override {};
+    ~ImageToggler() override = default;;
 
     sigc::signal<void, const Glib::ustring&> signal_toggled() { return _signal_toggled;}
     sigc::signal<void, GdkEvent const *> signal_pre_toggle()  { return _signal_pre_toggle; }
diff --git a/src/ui/widget/ink-spinscale.h b/src/ui/widget/ink-spinscale.h
index 7cb82c92a..a5807f8dc 100644
--- a/src/ui/widget/ink-spinscale.h
+++ b/src/ui/widget/ink-spinscale.h
@@ -31,7 +31,7 @@ class InkScale : public Gtk::Scale
 {
  public:
   InkScale(Glib::RefPtr<Gtk::Adjustment>, Gtk::SpinButton* spinbutton);
-  ~InkScale() override {};
+  ~InkScale() override = default;;
 
   void set_label(Glib::ustring label);
 
@@ -71,7 +71,7 @@ class InkSpinScale : public Gtk::Box
   // Create an InkSpinScale with a preexisting adjustment.
   InkSpinScale(Glib::RefPtr<Gtk::Adjustment>);
 
-  ~InkSpinScale() override {};
+  ~InkSpinScale() override = default;;
 
   void set_label(Glib::ustring label);
   void set_digits(int digits);
diff --git a/src/ui/widget/insertordericon.h b/src/ui/widget/insertordericon.h
index 5c4c19603..b736007f4 100644
--- a/src/ui/widget/insertordericon.h
+++ b/src/ui/widget/insertordericon.h
@@ -25,7 +25,7 @@ namespace Widget {
 class InsertOrderIcon : public Gtk::CellRendererPixbuf {
 public:
     InsertOrderIcon();
-    ~InsertOrderIcon() override {};
+    ~InsertOrderIcon() override = default;;
 
     Glib::PropertyProxy<int> property_active() { return _property_active.get_proxy(); }
     Glib::PropertyProxy< Glib::RefPtr<Gdk::Pixbuf> > property_pixbuf_on();
diff --git a/src/ui/widget/layertypeicon.h b/src/ui/widget/layertypeicon.h
index 5f7e79c29..e84bef261 100644
--- a/src/ui/widget/layertypeicon.h
+++ b/src/ui/widget/layertypeicon.h
@@ -24,7 +24,7 @@ namespace Widget {
 class LayerTypeIcon : public Gtk::CellRendererPixbuf {
 public:
     LayerTypeIcon();
-    ~LayerTypeIcon() override {};
+    ~LayerTypeIcon() override = default;;
 
     sigc::signal<void, const Glib::ustring&> signal_toggled() { return _signal_toggled;}
     sigc::signal<void, GdkEvent const *> signal_pre_toggle()  { return _signal_pre_toggle; }
diff --git a/src/ui/widget/page-sizer.cpp b/src/ui/widget/page-sizer.cpp
index 579049d29..b8eeca00d 100644
--- a/src/ui/widget/page-sizer.cpp
+++ b/src/ui/widget/page-sizer.cpp
@@ -464,8 +464,7 @@ PageSizer::PageSizer(Registry & _wr)
  * Destructor
  */
 PageSizer::~PageSizer()
-{
-}
+= default;
 
 
 
diff --git a/src/ui/widget/page-sizer.h b/src/ui/widget/page-sizer.h
index 001c6a65d..edc9f5b0c 100644
--- a/src/ui/widget/page-sizer.h
+++ b/src/ui/widget/page-sizer.h
@@ -81,7 +81,7 @@ public:
      * Destructor
      */	     
 	virtual ~PaperSize()
-	    {}
+	    = default;
 	    
     /**
      * Name of this paper specification
diff --git a/src/ui/widget/panel.cpp b/src/ui/widget/panel.cpp
index 7b54995c1..73897aeb5 100644
--- a/src/ui/widget/panel.cpp
+++ b/src/ui/widget/panel.cpp
@@ -59,8 +59,7 @@ Panel::Panel(gchar const *prefs_path, int verb_num) :
 }
 
 Panel::~Panel()
-{
-}
+= default;
 
 void Panel::present()
 {
diff --git a/src/ui/widget/preferences-widget.h b/src/ui/widget/preferences-widget.h
index 129a7b336..acd59fe94 100644
--- a/src/ui/widget/preferences-widget.h
+++ b/src/ui/widget/preferences-widget.h
@@ -251,7 +251,7 @@ class PrefColorPicker : public ColorPicker
 {
 public:
     PrefColorPicker() : ColorPicker("", "", 0, false) {};
-    ~PrefColorPicker() override {};
+    ~PrefColorPicker() override = default;;
 
     void init(Glib::ustring const &abel, Glib::ustring const &prefs_path,
               guint32 default_rgba);
diff --git a/src/ui/widget/registered-widget.h b/src/ui/widget/registered-widget.h
index bb0f6da8a..033ab9541 100644
--- a/src/ui/widget/registered-widget.h
+++ b/src/ui/widget/registered-widget.h
@@ -83,7 +83,7 @@ protected:
     template< typename A, typename B, typename C, typename D, typename E , typename F, typename G>
     RegisteredWidget( A& a, B& b, C& c, D& d, E& e, F f, G& g): W( a, b, c, d, e, f, g) { construct(); }
 
-    ~RegisteredWidget() override {};
+    ~RegisteredWidget() override = default;;
 
     void init_parent(const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in, SPDocument *doc_in)
     {
diff --git a/src/ui/widget/registry.cpp b/src/ui/widget/registry.cpp
index ea8198422..9972e1acd 100644
--- a/src/ui/widget/registry.cpp
+++ b/src/ui/widget/registry.cpp
@@ -23,7 +23,7 @@ namespace Widget {
 
 Registry::Registry() : _updating(false) {}
 
-Registry::~Registry() {}
+Registry::~Registry() = default;
 
 bool
 Registry::isUpdating()
diff --git a/src/ui/widget/rotateable.cpp b/src/ui/widget/rotateable.cpp
index 0e290730d..64b37a07f 100644
--- a/src/ui/widget/rotateable.cpp
+++ b/src/ui/widget/rotateable.cpp
@@ -160,8 +160,7 @@ bool Rotateable::on_scroll(GdkEventScroll* event)
     return TRUE;
 }
 
-Rotateable::~Rotateable() {
-}
+Rotateable::~Rotateable() = default;
 
 
 
diff --git a/src/ui/widget/selected-style.cpp b/src/ui/widget/selected-style.cpp
index c0b0a7f56..b5fdc721d 100644
--- a/src/ui/widget/selected-style.cpp
+++ b/src/ui/widget/selected-style.cpp
@@ -1207,8 +1207,7 @@ RotateableSwatch::RotateableSwatch(SelectedStyle *parent, guint mode) :
 {
 }
 
-RotateableSwatch::~RotateableSwatch() {
-}
+RotateableSwatch::~RotateableSwatch() = default;
 
 double
 RotateableSwatch::color_adjust(float *hsla, double by, guint32 cc, guint modifier)
@@ -1408,8 +1407,7 @@ RotateableStrokeWidth::RotateableStrokeWidth(SelectedStyle *parent) :
 {
 }
 
-RotateableStrokeWidth::~RotateableStrokeWidth() {
-}
+RotateableStrokeWidth::~RotateableStrokeWidth() = default;
 
 double
 RotateableStrokeWidth::value_adjust(double current, double by, guint /*modifier*/, bool final)
diff --git a/src/ui/widget/spinbutton.h b/src/ui/widget/spinbutton.h
index 28d9849a8..918e7047f 100644
--- a/src/ui/widget/spinbutton.h
+++ b/src/ui/widget/spinbutton.h
@@ -45,7 +45,7 @@ public:
       connect_signals();
   };
 
-  ~SpinButton() override {};
+  ~SpinButton() override = default;;
 
   void setUnitMenu(UnitMenu* unit_menu) { _unit_menu = unit_menu; };
   
diff --git a/src/ui/widget/style-subject.cpp b/src/ui/widget/style-subject.cpp
index 5eccc67cf..04de4b162 100644
--- a/src/ui/widget/style-subject.cpp
+++ b/src/ui/widget/style-subject.cpp
@@ -38,11 +38,9 @@ void StyleSubject::setDesktop(SPDesktop *desktop) {
     }
 }
 
-StyleSubject::Selection::Selection() {
-}
+StyleSubject::Selection::Selection() = default;
 
-StyleSubject::Selection::~Selection() {
-}
+StyleSubject::Selection::~Selection() = default;
 
 Inkscape::Selection *StyleSubject::Selection::_getSelection() const {
     SPDesktop *desktop = getDesktop();
@@ -105,8 +103,7 @@ StyleSubject::CurrentLayer::CurrentLayer() {
     _element = nullptr;
 }
 
-StyleSubject::CurrentLayer::~CurrentLayer() {
-}
+StyleSubject::CurrentLayer::~CurrentLayer() = default;
 
 void StyleSubject::CurrentLayer::_setLayer(SPObject *layer) {
     _layer_release.disconnect();
diff --git a/src/ui/widget/unit-menu.cpp b/src/ui/widget/unit-menu.cpp
index 423313a1f..fd10b567e 100644
--- a/src/ui/widget/unit-menu.cpp
+++ b/src/ui/widget/unit-menu.cpp
@@ -26,8 +26,7 @@ UnitMenu::UnitMenu() : _type(UNIT_TYPE_NONE)
     set_active(0);
 }
 
-UnitMenu::~UnitMenu() {
-}
+UnitMenu::~UnitMenu() = default;
 
 bool UnitMenu::setUnitType(UnitType unit_type) 
 {
diff --git a/src/undo-stack-observer.h b/src/undo-stack-observer.h
index dadb4764e..58972a1af 100644
--- a/src/undo-stack-observer.h
+++ b/src/undo-stack-observer.h
@@ -32,8 +32,8 @@ struct Event;
  */
 class UndoStackObserver : public GC::Managed<> {
 public:
-	UndoStackObserver() { }
-	virtual ~UndoStackObserver() { }
+	UndoStackObserver() = default;
+	virtual ~UndoStackObserver() = default;
 
 	/**
 	 * Triggered when the user issues an undo command.
diff --git a/src/util/ege-tags.cpp b/src/util/ege-tags.cpp
index dcc28f370..3b9f68df8 100644
--- a/src/util/ege-tags.cpp
+++ b/src/util/ege-tags.cpp
@@ -62,14 +62,12 @@ Label::Label(std::string const& lang, std::string const& value) :
 }
 
 Label::~Label()
-{
-}
+= default;
 
 // =========================================================================
 
 Tag::~Tag()
-{
-}
+= default;
 
 Tag::Tag(std::string const& key) :
     key(key)
@@ -86,8 +84,7 @@ TagSet::TagSet() :
 }
 
 TagSet::~TagSet()
-{
-}
+= default;
 
 void TagSet::setLang(std::string const& lang)
 {
diff --git a/src/util/expression-evaluator.h b/src/util/expression-evaluator.h
index bb29d7f26..23b431a8e 100644
--- a/src/util/expression-evaluator.h
+++ b/src/util/expression-evaluator.h
@@ -177,7 +177,7 @@ public:
         msgstr = os.str();
     }
 
-    ~EvaluatorException() throw() override {} // necessary to destroy the string object!!!
+    ~EvaluatorException() throw() override = default; // necessary to destroy the string object!!!
 
     const char *what() const throw () override {
         return msgstr.c_str();
diff --git a/src/util/fixed_point.h b/src/util/fixed_point.h
index cfc6e4020..02d536ecc 100644
--- a/src/util/fixed_point.h
+++ b/src/util/fixed_point.h
@@ -24,7 +24,7 @@ namespace Util {
 template <typename T, unsigned int precision>
 class FixedPoint {
 public:
-    FixedPoint() {}
+    FixedPoint() = default;
     FixedPoint(const FixedPoint& value) : v(value.v) {}
     FixedPoint(char value) : v(static_cast<T>(value)<<precision) {}
     FixedPoint(unsigned char value) : v(static_cast<T>(value)<<precision) {}
diff --git a/src/util/forward-pointer-iterator.h b/src/util/forward-pointer-iterator.h
index 4f8e88637..eaf5a7a25 100644
--- a/src/util/forward-pointer-iterator.h
+++ b/src/util/forward-pointer-iterator.h
@@ -37,7 +37,7 @@ public:
 
     typedef ForwardPointerIterator<BaseType const, Strategy> Self;
 
-    ForwardPointerIterator() : _p(NULL) {}
+    ForwardPointerIterator() = default;
     ForwardPointerIterator(pointer p) : _p(p) {}
 
     operator pointer() const { return _p; }
diff --git a/src/util/list-container.h b/src/util/list-container.h
index e123fea0c..d39a40ee7 100644
--- a/src/util/list-container.h
+++ b/src/util/list-container.h
@@ -24,7 +24,7 @@ template <typename T>
 class ListContainer {
 public:
     /* default constructible */
-    ListContainer() {}
+    ListContainer() = default;
 
     /* assignable */
     ListContainer(ListContainer const &other) {
diff --git a/src/util/list.h b/src/util/list.h
index ea2fa871e..ffe04d9f3 100644
--- a/src/util/list.h
+++ b/src/util/list.h
@@ -22,7 +22,7 @@ namespace Util {
 /// Generic ListCell for Inkscape::Util::List.
 template <typename T>
 struct ListCell : public GC::Managed<> {
-    ListCell() {}
+    ListCell() = default;
     ListCell(typename Traits::Reference<T>::RValue v, ListCell *n)
     : value(v), next(n) {}
 
@@ -205,7 +205,7 @@ protected:
 template <typename T>
 class MutableList : public List<T> {
 public:
-    MutableList() {}
+    MutableList() = default;
     explicit MutableList(typename List<T>::const_reference value,
                          MutableList const &next=MutableList())
     : List<T>(value, next) {}
diff --git a/src/util/share.h b/src/util/share.h
index a2672afa4..cc3387325 100644
--- a/src/util/share.h
+++ b/src/util/share.h
@@ -24,7 +24,7 @@ class ptr_shared {
 public:
 
     ptr_shared() : _string(nullptr) {}
-        ptr_shared(ptr_shared const &other) : _string(other._string) {}
+        ptr_shared(ptr_shared const &other) = default;
 
     operator char const *() const { return _string; }
     operator bool() const { return _string; }
@@ -54,10 +54,7 @@ public:
         return _string - other._string;
     }
 
-    ptr_shared &operator=(ptr_shared const &other) {
-        _string = other._string;
-        return *this;
-    }
+    ptr_shared &operator=(ptr_shared const &other) = default;
 
     bool operator==(ptr_shared const &other) const {
         return _string == other._string;
diff --git a/src/util/units.cpp b/src/util/units.cpp
index 7854abf77..ffa2681c6 100644
--- a/src/util/units.cpp
+++ b/src/util/units.cpp
@@ -129,7 +129,7 @@ public:
     typedef Glib::Markup::ParseContext Ctx;
 
     UnitParser(UnitTable *table);
-    ~UnitParser() override {}
+    ~UnitParser() override = default;
 
 protected:
     void on_start_element(Ctx &ctx, Glib::ustring const &name, AttrMap const &attrs) override;
diff --git a/src/util/ziptool.cpp b/src/util/ziptool.cpp
index e5ece00e4..2146710dd 100644
--- a/src/util/ziptool.cpp
+++ b/src/util/ziptool.cpp
@@ -60,8 +60,7 @@ Adler32::Adler32()
  * Destructor
  */
 Adler32::~Adler32()
-{
-}
+= default;
 
 /**
  * Reset Adler-32 checksum to initial value.
@@ -117,8 +116,7 @@ Crc32::Crc32()
  * Destructor
  */
 Crc32::~Crc32()
-{
-}
+= default;
 
 static bool crc_table_ready = false;
 static unsigned long crc_table[256];
@@ -315,8 +313,7 @@ Inflater::Inflater() :
  *
  */
 Inflater::~Inflater()
-{
-}
+= default;
 
 /**
  *
@@ -915,9 +912,7 @@ Deflater::Deflater()
  *
  */
 Deflater::~Deflater()
-{
-
-}
+= default;
 
 /**
  *
@@ -1439,8 +1434,7 @@ GzipFile::GzipFile() :
  * Destructor
  */
 GzipFile::~GzipFile()
-{
-}
+= default;
 
 /**
  *  Print error messages
@@ -1925,8 +1919,7 @@ ZipEntry::ZipEntry(const std::string &fileNameArg,
  * Destructor
  */
 ZipEntry::~ZipEntry()
-{
-}
+= default;
 
 
 /**
diff --git a/src/vanishing-point.h b/src/vanishing-point.h
index afefa613e..80d3b435c 100644
--- a/src/vanishing-point.h
+++ b/src/vanishing-point.h
@@ -45,12 +45,7 @@ public:
     VanishingPoint(Persp3D *persp, Proj::Axis axis) : my_counter(VanishingPoint::global_counter++), _persp(persp), _axis(axis) {}
     VanishingPoint(const VanishingPoint &other) : my_counter(VanishingPoint::global_counter++), _persp(other._persp), _axis(other._axis) {}
 
-    inline VanishingPoint &operator=(VanishingPoint const &rhs) {
-        _persp = rhs._persp;
-        _axis = rhs._axis;
-        my_counter = rhs.my_counter;
-        return *this;
-    }
+    inline VanishingPoint &operator=(VanishingPoint const &rhs) = default;
     inline bool operator==(VanishingPoint const &rhs) const {
         /* vanishing points coincide if they belong to the same perspective */
         return (_persp == rhs._persp && _axis == rhs._axis);
diff --git a/src/widgets/desktop-widget.cpp b/src/widgets/desktop-widget.cpp
index 3c15bf3a5..dd46cf58d 100644
--- a/src/widgets/desktop-widget.cpp
+++ b/src/widgets/desktop-widget.cpp
@@ -136,7 +136,7 @@ public:
         prefs->addObserver(_dpw);
         prefs->addObserver(_spw);
     }
-    virtual ~CMSPrefWatcher() {}
+    virtual ~CMSPrefWatcher() = default;
 
     //virtual void notify(PrefValue &);
     void add( SPDesktopWidget* dtw ) {
diff --git a/src/widgets/ege-paint-def.cpp b/src/widgets/ege-paint-def.cpp
index b9b184638..aa51cf33a 100644
--- a/src/widgets/ege-paint-def.cpp
+++ b/src/widgets/ege-paint-def.cpp
@@ -105,8 +105,7 @@ PaintDef::PaintDef( unsigned int r, unsigned int g, unsigned int b, const std::s
 }
 
 PaintDef::~PaintDef()
-{
-}
+= default;
 
 PaintDef::PaintDef( PaintDef const &other )
 {
diff --git a/src/widgets/gradient-selector.h b/src/widgets/gradient-selector.h
index 6176ab880..33b78519a 100644
--- a/src/widgets/gradient-selector.h
+++ b/src/widgets/gradient-selector.h
@@ -82,7 +82,7 @@ struct SPGradientSelector {
             add(data);
             add(pixbuf);
         }
-        ~ModelColumns() override {}
+        ~ModelColumns() override = default;
 
         Gtk::TreeModelColumn<Glib::ustring> name;
         Gtk::TreeModelColumn<unsigned long> color;
diff --git a/src/widgets/sp-color-selector.cpp b/src/widgets/sp-color-selector.cpp
index 6ee827fb8..87051352f 100644
--- a/src/widgets/sp-color-selector.cpp
+++ b/src/widgets/sp-color-selector.cpp
@@ -145,8 +145,7 @@ ColorSelector::ColorSelector( SPColorSelector* csel )
 }
 
 ColorSelector::~ColorSelector()
-{
-}
+= default;
 
 void ColorSelector::init()
 {
diff --git a/src/widgets/sp-widget.cpp b/src/widgets/sp-widget.cpp
index fab39544b..9bfec39d6 100644
--- a/src/widgets/sp-widget.cpp
+++ b/src/widgets/sp-widget.cpp
@@ -133,8 +133,7 @@ SPWidgetImpl::SPWidgetImpl(SPWidget &target) :
 }
 
 SPWidgetImpl::~SPWidgetImpl()
-{
-}
+= default;
 
 void SPWidgetImpl::dispose(GObject *object)
 {
diff --git a/src/widgets/toolbox.cpp b/src/widgets/toolbox.cpp
index 7b3df3337..1b051f6cd 100644
--- a/src/widgets/toolbox.cpp
+++ b/src/widgets/toolbox.cpp
@@ -302,8 +302,7 @@ VerbAction::VerbAction(Inkscape::Verb* verb, Inkscape::Verb* verb2, Inkscape::UI
 }
 
 VerbAction::~VerbAction()
-{
-}
+= default;
 
 Gtk::Widget* VerbAction::create_menu_item_vfunc()
 {
diff --git a/src/xml/event.h b/src/xml/event.h
index b11cbe9cb..8c7a40327 100644
--- a/src/xml/event.h
+++ b/src/xml/event.h
@@ -57,7 +57,7 @@ class Event
 : public Inkscape::GC::Managed<Inkscape::GC::SCANNED, Inkscape::GC::MANUAL>
 {
 public:        
-    virtual ~Event() {}
+    virtual ~Event() = default;
 
     /**
      * @brief Pointer to the next event in the event chain
diff --git a/src/xml/node-observer.h b/src/xml/node-observer.h
index 28c492d66..295d618b5 100644
--- a/src/xml/node-observer.h
+++ b/src/xml/node-observer.h
@@ -53,9 +53,9 @@ class Node;
 class NodeObserver {
 protected:
     /* the constructor is protected to prevent instantiation */
-    NodeObserver() {}
+    NodeObserver() = default;
 public:
-    virtual ~NodeObserver() {}
+    virtual ~NodeObserver() = default;
 
     // FIXME: somebody needs to learn what "pure virtual" means
 
diff --git a/src/xml/node.h b/src/xml/node.h
index 3f19e8fa1..32c5837ae 100644
--- a/src/xml/node.h
+++ b/src/xml/node.h
@@ -77,8 +77,8 @@ enum NodeType {
  */
 class Node : public Inkscape::GC::Anchored {
 public:
-    Node() {}
-    ~Node() override {}
+    Node() = default;
+    ~Node() override = default;
 
     /**
      * @name Retrieve information about the node