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

This replaces empty constructors and destructors with the default
keyword.

79 files changed, 95 insertions, 190 deletions

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;