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

This replaces empty constructors and destructors with the default
keyword.

73 files changed, 110 insertions, 151 deletions

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) 
 {