diff --git a/src/attribute-rel-css.h b/src/attribute-rel-css.h
index 5f3aaf253a43d6f24c0d9553477e03c423ec94f0..dfce37f852aef1ab7efc542193a05c267e71c133 100644
--- a/src/attribute-rel-css.h
+++ b/src/attribute-rel-css.h
@@ -30,8 +30,8 @@ public:
 
 private:
     SPAttributeRelCSS();
-    SPAttributeRelCSS(const SPAttributeRelCSS&);
-    SPAttributeRelCSS& operator= (const SPAttributeRelCSS&);
+    SPAttributeRelCSS(const SPAttributeRelCSS&) = delete;
+    SPAttributeRelCSS& operator= (const SPAttributeRelCSS&) = delete;
 
 private:
     /* 
diff --git a/src/attribute-rel-svg.h b/src/attribute-rel-svg.h
index c0a9cd21550c31d5e8668f6c26404f9356572588..1ec2b50e352b7df7f3e030da7d1d6685454e02f6 100644
--- a/src/attribute-rel-svg.h
+++ b/src/attribute-rel-svg.h
@@ -27,8 +27,8 @@ public:
 
 private:
     SPAttributeRelSVG();
-    SPAttributeRelSVG(const SPAttributeRelSVG&);
-    SPAttributeRelSVG& operator= (const SPAttributeRelSVG&);
+    SPAttributeRelSVG(const SPAttributeRelSVG&) = delete;
+    SPAttributeRelSVG& operator= (const SPAttributeRelSVG&) = delete;
 
 private:
     static SPAttributeRelSVG *instance;
diff --git a/src/debug/event-tracker.h b/src/debug/event-tracker.h
index fe2069a29de3eec885defb76d78bbb3f61e53c4c..8a2e6242ac25833965b04aeab885ea238b9d1419 100644
--- a/src/debug/event-tracker.h
+++ b/src/debug/event-tracker.h
@@ -136,8 +136,8 @@ protected:
     EventTrackerBase(bool active) : _active(active) {}
 
 private:
-    EventTrackerBase(EventTrackerBase const &); // no copy
-    void operator=(EventTrackerBase const &); // no assign
+    EventTrackerBase(EventTrackerBase const &) = delete; // no copy
+    void operator=(EventTrackerBase const &) = delete; // no assign
     bool _active;
 };
 
diff --git a/src/debug/gdk-event-latency-tracker.h b/src/debug/gdk-event-latency-tracker.h
index 0fdb18790984e94ef961ed9448fe116183766187..75a861a4080a8ce6ef2e4d79a9563b4d48064a7c 100644
--- a/src/debug/gdk-event-latency-tracker.h
+++ b/src/debug/gdk-event-latency-tracker.h
@@ -29,8 +29,8 @@ public:
     static GdkEventLatencyTracker &default_tracker();
 
 private:
-    GdkEventLatencyTracker(GdkEventLatencyTracker const &); // no copy
-    void operator=(GdkEventLatencyTracker const &); // no assign
+    GdkEventLatencyTracker(GdkEventLatencyTracker const &) = delete; // no copy
+    void operator=(GdkEventLatencyTracker const &) = delete; // no assign
 
     double start_seconds;
     double max_latency;
diff --git a/src/device-manager.cpp b/src/device-manager.cpp
index 6c8d4514cf4bec5cabc919fcfbe1928654ba9d44..185d417fbbb09ff01bae28af58cc7a6c258e6f90 100644
--- a/src/device-manager.cpp
+++ b/src/device-manager.cpp
@@ -188,8 +188,8 @@ public:
     virtual Glib::RefPtr<Gdk::Device> getDevice() {return device;}
 
 private:
-    InputDeviceImpl(InputDeviceImpl const &); // no copy
-    void operator=(InputDeviceImpl const &); // no assign
+    InputDeviceImpl(InputDeviceImpl const &) = delete; // no copy
+    void operator=(InputDeviceImpl const &) = delete; // no assign
 
     static Glib::ustring createId(Glib::ustring const &id, Gdk::InputSource source, std::set<Glib::ustring> &knownIDs);
 
diff --git a/src/device-manager.h b/src/device-manager.h
index d608a5717ce36830b0b2aba159a94180bdc12a5c..8583ae5d0db26106e543faddd7b5a6ea7d3e55fc 100644
--- a/src/device-manager.h
+++ b/src/device-manager.h
@@ -34,8 +34,8 @@ protected:
     virtual ~InputDevice();
 
 private:
-    InputDevice(InputDevice const &); // no copy
-    void operator=(InputDevice const &); // no assign
+    InputDevice(InputDevice const &) = delete; // no copy
+    void operator=(InputDevice const &) = delete; // no assign
 };
 
 class DeviceManager : public Glib::Object {
@@ -65,8 +65,8 @@ protected:
     virtual ~DeviceManager();
 
 private:
-    DeviceManager(DeviceManager const &); // no copy
-    void operator=(DeviceManager const &); // no assign
+    DeviceManager(DeviceManager const &) = delete; // no copy
+    void operator=(DeviceManager const &) = delete; // no assign
 };
 
 
diff --git a/src/display/canvas-axonomgrid.h b/src/display/canvas-axonomgrid.h
index 5e06ae56444ff0a81ee0fb4ac1e95b361f44b7bc..4231520e767d0abfe039274cc58b70cd1bc286ab 100644
--- a/src/display/canvas-axonomgrid.h
+++ b/src/display/canvas-axonomgrid.h
@@ -52,8 +52,8 @@ protected:
     virtual Gtk::Widget * newSpecificWidget();
 
 private:
-    CanvasAxonomGrid(const CanvasAxonomGrid&);
-    CanvasAxonomGrid& operator=(const CanvasAxonomGrid&);
+    CanvasAxonomGrid(const CanvasAxonomGrid&) = delete;
+    CanvasAxonomGrid& operator=(const CanvasAxonomGrid&) = delete;
 
     void updateWidgets();
 
diff --git a/src/display/canvas-grid.h b/src/display/canvas-grid.h
index c15cde656263230a0bb77b58076eed6ecdb3832f..a02b5d5fde6838606544dacdfb29d857a50f0c47 100644
--- a/src/display/canvas-grid.h
+++ b/src/display/canvas-grid.h
@@ -135,8 +135,8 @@ protected:
     Inkscape::UI::Widget::AlignmentSelector     *_as_alignment;
 
 private:
-    CanvasGrid(const CanvasGrid&);
-    CanvasGrid& operator=(const CanvasGrid&);
+    CanvasGrid(const CanvasGrid&) = delete;
+    CanvasGrid& operator=(const CanvasGrid&) = delete;
 };
 
 
@@ -163,8 +163,8 @@ protected:
     virtual Gtk::Widget * newSpecificWidget();
 
 private:
-    CanvasXYGrid(const CanvasXYGrid&);
-    CanvasXYGrid& operator=(const CanvasXYGrid&);
+    CanvasXYGrid(const CanvasXYGrid&) = delete;
+    CanvasXYGrid& operator=(const CanvasXYGrid&) = delete;
 
     void updateWidgets();
 
diff --git a/src/display/canvas-temporary-item-list.h b/src/display/canvas-temporary-item-list.h
index 471bb99b9487c1af3847977b51a7388ef40d8dd1..c3e936b19a79c814f67b3448e9d3983115c8c6aa 100644
--- a/src/display/canvas-temporary-item-list.h
+++ b/src/display/canvas-temporary-item-list.h
@@ -39,8 +39,8 @@ protected:
     void _item_timeout (TemporaryItem * tempitem);
 
 private:
-    TemporaryItemList(const TemporaryItemList&);
-    TemporaryItemList& operator=(const TemporaryItemList&);
+    TemporaryItemList(const TemporaryItemList&) = delete;
+    TemporaryItemList& operator=(const TemporaryItemList&) = delete;
 };
 
 } //namespace Display
diff --git a/src/display/canvas-temporary-item.h b/src/display/canvas-temporary-item.h
index d7d3951f159cd33dc21fbadc724ec6c7ee08a432..92b16b1ab9f42aca74f62509803c8b91bb1bc330 100644
--- a/src/display/canvas-temporary-item.h
+++ b/src/display/canvas-temporary-item.h
@@ -38,8 +38,8 @@ protected:
     static int _timeout(void* data); ///< callback for when lifetime expired
 
 private:
-    TemporaryItem(const TemporaryItem&);
-    TemporaryItem& operator=(const TemporaryItem&);
+    TemporaryItem(const TemporaryItem&) = delete;
+    TemporaryItem& operator=(const TemporaryItem&) = delete;
 };
 
 } //namespace Display
diff --git a/src/display/curve.h b/src/display/curve.h
index 87b9984a886e278cda80a81597a35b14b9be2cf2..b79d41ebe5d64bad4b9641062b2ab0c49157cb7e 100644
--- a/src/display/curve.h
+++ b/src/display/curve.h
@@ -88,8 +88,8 @@ protected:
 
 private:
     // Don't implement these:
-    SPCurve(const SPCurve&);
-    SPCurve& operator=(const SPCurve&);
+    SPCurve(const SPCurve&) = delete;
+    SPCurve& operator=(const SPCurve&) = delete;
 };
 
 #endif // !SEEN_DISPLAY_CURVE_H
diff --git a/src/display/snap-indicator.h b/src/display/snap-indicator.h
index 30040d99cda6cf8736e905463f22e13eca93c63b..d4a144002c1eddd607039b6f7b6c56f1c07c903c 100644
--- a/src/display/snap-indicator.h
+++ b/src/display/snap-indicator.h
@@ -49,8 +49,8 @@ protected:
     SPDesktop *_desktop;
 
 private:
-    SnapIndicator(const SnapIndicator&);
-    SnapIndicator& operator=(const SnapIndicator&);
+    SnapIndicator(const SnapIndicator&) = delete;
+    SnapIndicator& operator=(const SnapIndicator&) = delete;
 };
 
 } //namespace Display
diff --git a/src/document-subset.h b/src/document-subset.h
index 2799ff1734899d9e5a27d55bce49af7273dfc8c2..b0a17eff5a24778a7cf0fdc57a8aa11430b77cd4 100644
--- a/src/document-subset.h
+++ b/src/document-subset.h
@@ -46,8 +46,8 @@ protected:
     void _clear();
 
 private:
-    DocumentSubset(DocumentSubset const &); // no copy
-    void operator=(DocumentSubset const &); // no assign
+    DocumentSubset(DocumentSubset const &) = delete; // no copy
+    void operator=(DocumentSubset const &) = delete; // no assign
 
     void _remove(SPObject *obj, bool subtree);
 
diff --git a/src/document.h b/src/document.h
index 65f0cf628ea6c422918687d5e011ae51fee31d5e..1f3de042bddcea478ce6e1df2278132df7a772f6 100644
--- a/src/document.h
+++ b/src/document.h
@@ -226,8 +226,8 @@ public:
     void setModifiedSinceSave(bool const modified = true);
 
 private:
-    SPDocument(SPDocument const &); // no copy
-    void operator=(SPDocument const &); // no assign
+    SPDocument(SPDocument const &) = delete; // no copy
+    void operator=(SPDocument const &) = delete; // no assign
 
     Persp3D *current_persp3d; /**< Currently 'active' perspective (to which, e.g., newly created boxes are attached) */
     Persp3DImpl *current_persp3d_impl;
diff --git a/src/event-log.h b/src/event-log.h
index c4c78d1ddec29bbc0f96a1a5732b621b4f2c2413..3cbcb6d3a8de6abb3ff5749c75a05bb288ecdaab 100644
--- a/src/event-log.h
+++ b/src/event-log.h
@@ -141,8 +141,8 @@ private:
     void checkForVirginity(); //< marks the document as untouched if undo/redo reaches a previously saved state
 
     // noncopyable, nonassignable
-    EventLog(EventLog const &other);
-    EventLog& operator=(EventLog const &other);
+    EventLog(EventLog const &other) = delete;
+    EventLog& operator=(EventLog const &other) = delete;
 };
 
 } // namespace Inkscape
diff --git a/src/gc-anchored.h b/src/gc-anchored.h
index 33305df5c6534a923ed3108d182063c8949af860..772621eb2e0e5513f28ce53cc96bd3262219b6ad 100644
--- a/src/gc-anchored.h
+++ b/src/gc-anchored.h
@@ -73,8 +73,8 @@ private:
     Anchor *_new_anchor() const;
     void _free_anchor(Anchor *anchor) const;
 
-    Anchored(Anchored const &); // no copy
-    void operator=(Anchored const &); // no assign
+    Anchored(Anchored const &) = delete; // no copy
+    void operator=(Anchored const &) = delete; // no assign
 };
 
 /**
diff --git a/src/knot.h b/src/knot.h
index 6db0db358e7616a992cdf937955d65a2fc557698..0d9e95d89cd85b45c0be017e12a41a86090cc2cc 100644
--- a/src/knot.h
+++ b/src/knot.h
@@ -152,8 +152,8 @@ public:
     Geom::Point position() const;
 
 private:
-    SPKnot(SPKnot const&);
-    SPKnot& operator=(SPKnot const&);
+    SPKnot(SPKnot const&) = delete;
+    SPKnot& operator=(SPKnot const&) = delete;
 
     /**
      * Set knot control state (dragging/mouseover/normal).
diff --git a/src/knotholder.h b/src/knotholder.h
index f03eea3ea9f8060d66b77edc60d4233d4368f8b7..b82ba61f910853b17aa06e966e96601b23ef251b 100644
--- a/src/knotholder.h
+++ b/src/knotholder.h
@@ -89,7 +89,7 @@ protected:
     Geom::Affine _edit_transform;
 
 private:
-    KnotHolder(); // declared but not defined
+    KnotHolder() = delete; // declared but not defined
 };
 
 /**
diff --git a/src/live_effects/effect.h b/src/live_effects/effect.h
index cd8f9d74351c6313faf4d5956367e1d2ab7daa3f..cb3ee0afccba6af41e7a00b555d4958389e376cd 100644
--- a/src/live_effects/effect.h
+++ b/src/live_effects/effect.h
@@ -189,8 +189,8 @@ private:
     bool is_ready;
     bool defaultsopen;
 
-    Effect(const Effect&);
-    Effect& operator=(const Effect&);
+    Effect(const Effect&) = delete;
+    Effect& operator=(const Effect&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-attach-path.h b/src/live_effects/lpe-attach-path.h
index 1d6c590d1ed301fa4cc804d7de3eda64a577dcc9..6b3a863d2960af51c7d9b6b6519cf07a8aa0b8b8 100644
--- a/src/live_effects/lpe-attach-path.h
+++ b/src/live_effects/lpe-attach-path.h
@@ -29,8 +29,8 @@ public:
     virtual void resetDefaults(SPItem const * item);
 
 private:
-    LPEAttachPath(const LPEAttachPath&);
-    LPEAttachPath& operator=(const LPEAttachPath&);
+    LPEAttachPath(const LPEAttachPath&) = delete;
+    LPEAttachPath& operator=(const LPEAttachPath&) = delete;
 
     Geom::Point curve_start_previous_origin;
     Geom::Point curve_end_previous_origin;
diff --git a/src/live_effects/lpe-bool.h b/src/live_effects/lpe-bool.h
index ce46f14d15db9a87c7ee7b1ab94a1d866dd465b1..b7c522eb31517c4df7c8a80c7da32f46a750e5e0 100644
--- a/src/live_effects/lpe-bool.h
+++ b/src/live_effects/lpe-bool.h
@@ -46,8 +46,8 @@ public:
     }
 
 private:
-    LPEBool(const LPEBool &);
-    LPEBool &operator=(const LPEBool &);
+    LPEBool(const LPEBool &) = delete;
+    LPEBool &operator=(const LPEBool &) = delete;
 
     OriginalPathParam operand_path;
     EnumParam<bool_op_ex> bool_operation;
diff --git a/src/live_effects/lpe-bounding-box.h b/src/live_effects/lpe-bounding-box.h
index d028a20ac812cd2924b3deb72cd47f6181f95d91..fe90ff0ecbbebbfa6528c0b8fdad75af3f8413fd 100644
--- a/src/live_effects/lpe-bounding-box.h
+++ b/src/live_effects/lpe-bounding-box.h
@@ -27,8 +27,8 @@ private:
     BoolParam visual_bounds;
 
 private:
-    LPEBoundingBox(const LPEBoundingBox&);
-    LPEBoundingBox& operator=(const LPEBoundingBox&);
+    LPEBoundingBox(const LPEBoundingBox&) = delete;
+    LPEBoundingBox& operator=(const LPEBoundingBox&) = delete;
 };
 
 }; //namespace LivePathEffect
diff --git a/src/live_effects/lpe-bspline.h b/src/live_effects/lpe-bspline.h
index 90cf82c19d7940e45467c23ee0258e0db59f87aa..44d0e4c26e7c00c60fa97f73803bc4b6469764ac 100644
--- a/src/live_effects/lpe-bspline.h
+++ b/src/live_effects/lpe-bspline.h
@@ -43,8 +43,8 @@ private:
     BoolParam only_selected;
     ScalarParam weight;
 
-    LPEBSpline(const LPEBSpline &);
-    LPEBSpline &operator=(const LPEBSpline &);
+    LPEBSpline(const LPEBSpline &) = delete;
+    LPEBSpline &operator=(const LPEBSpline &) = delete;
 
 };
 void sp_bspline_do_effect(SPCurve *curve, double helper_size);
diff --git a/src/live_effects/lpe-circle_3pts.h b/src/live_effects/lpe-circle_3pts.h
index 07c2eddb0cf31bf6f44831bb0d9f35c523fd0a03..8ef11008bc7318a8bbd331d93b741be63af0bc79 100644
--- a/src/live_effects/lpe-circle_3pts.h
+++ b/src/live_effects/lpe-circle_3pts.h
@@ -30,8 +30,8 @@ public:
     virtual Geom::PathVector doEffect_path (Geom::PathVector const & path_in);
 
 private:
-    LPECircle3Pts(const LPECircle3Pts&);
-    LPECircle3Pts& operator=(const LPECircle3Pts&);
+    LPECircle3Pts(const LPECircle3Pts&) = delete;
+    LPECircle3Pts& operator=(const LPECircle3Pts&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-circle_with_radius.h b/src/live_effects/lpe-circle_with_radius.h
index f5bf0c4144aa499076f2470ba238349d584769cc..97b5c8859c1eef91508047852877b8daf2bfd823 100644
--- a/src/live_effects/lpe-circle_with_radius.h
+++ b/src/live_effects/lpe-circle_with_radius.h
@@ -33,8 +33,8 @@ private:
     //ScalarParam radius;
     // there are all kinds of parameters. Check the /live_effects/parameter directory which types exist!
 
-    LPECircleWithRadius(const LPECircleWithRadius&);
-    LPECircleWithRadius& operator=(const LPECircleWithRadius&);
+    LPECircleWithRadius(const LPECircleWithRadius&) = delete;
+    LPECircleWithRadius& operator=(const LPECircleWithRadius&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-clone-original.h b/src/live_effects/lpe-clone-original.h
index 9bf09879bd96f4af109e5e6095872b85f7330569..172cd0e0eb8d488aec0bfd6e4b2f65711a27da76 100644
--- a/src/live_effects/lpe-clone-original.h
+++ b/src/live_effects/lpe-clone-original.h
@@ -49,8 +49,8 @@ private:
     bool listening;
     bool is_updating;
     sigc::connection modified_connection;
-    LPECloneOriginal(const LPECloneOriginal&);
-    LPECloneOriginal& operator=(const LPECloneOriginal&);
+    LPECloneOriginal(const LPECloneOriginal&) = delete;
+    LPECloneOriginal& operator=(const LPECloneOriginal&) = delete;
 };
 
 }; //namespace LivePathEffect
diff --git a/src/live_effects/lpe-constructgrid.h b/src/live_effects/lpe-constructgrid.h
index 49c986742d07780a5d2996954d44d33e2a59e8c9..be6a638bad9ffc5399d33c4046d80392d9baad7b 100644
--- a/src/live_effects/lpe-constructgrid.h
+++ b/src/live_effects/lpe-constructgrid.h
@@ -31,8 +31,8 @@ private:
     ScalarParam nr_x;
     ScalarParam nr_y;
 
-    LPEConstructGrid(const LPEConstructGrid&);
-    LPEConstructGrid& operator=(const LPEConstructGrid&);
+    LPEConstructGrid(const LPEConstructGrid&) = delete;
+    LPEConstructGrid& operator=(const LPEConstructGrid&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-copy_rotate.h b/src/live_effects/lpe-copy_rotate.h
index 84c1e402e01aa68edabc01b42e7b88689b334be6..63db722cbccc9a01d80ba3233653c59681d2371b 100644
--- a/src/live_effects/lpe-copy_rotate.h
+++ b/src/live_effects/lpe-copy_rotate.h
@@ -78,8 +78,8 @@ private:
     double previous_num_copies;
     bool reset;
     SPObject * container;
-    LPECopyRotate(const LPECopyRotate&);
-    LPECopyRotate& operator=(const LPECopyRotate&);
+    LPECopyRotate(const LPECopyRotate&) = delete;
+    LPECopyRotate& operator=(const LPECopyRotate&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-curvestitch.h b/src/live_effects/lpe-curvestitch.h
index 0a48046e0a5da2753bf557c71a87dc6d28fd5749..1c5a39cf5e79781b6ec3bf91274297df12b9e872 100644
--- a/src/live_effects/lpe-curvestitch.h
+++ b/src/live_effects/lpe-curvestitch.h
@@ -45,8 +45,8 @@ private:
     BoolParam scale_y_rel;
     bool transformed;
 
-    LPECurveStitch(const LPECurveStitch&);
-    LPECurveStitch& operator=(const LPECurveStitch&);
+    LPECurveStitch(const LPECurveStitch&) = delete;
+    LPECurveStitch& operator=(const LPECurveStitch&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-dynastroke.h b/src/live_effects/lpe-dynastroke.h
index 816cb60a6ba82c896ad6e11333605cd7f0e56dd8..ee2642fd33ede59ef14eba87e1750816710aeff7 100644
--- a/src/live_effects/lpe-dynastroke.h
+++ b/src/live_effects/lpe-dynastroke.h
@@ -57,8 +57,8 @@ private:
     BoolParam round_ends;
     PathParam  capping;
 
-    LPEDynastroke(const LPEDynastroke&);
-    LPEDynastroke& operator=(const LPEDynastroke&);
+    LPEDynastroke(const LPEDynastroke&) = delete;
+    LPEDynastroke& operator=(const LPEDynastroke&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-ellipse_5pts.h b/src/live_effects/lpe-ellipse_5pts.h
index 691a693dc99d2287274dfa9368ee04fc720c7891..467a0d522c4e191a0e6c36ddbb2a348ecd600d64 100644
--- a/src/live_effects/lpe-ellipse_5pts.h
+++ b/src/live_effects/lpe-ellipse_5pts.h
@@ -29,8 +29,8 @@ public:
     virtual Geom::PathVector doEffect_path (Geom::PathVector const & path_in);
 
 private:
-    LPEEllipse5Pts(const LPEEllipse5Pts&);
-    LPEEllipse5Pts& operator=(const LPEEllipse5Pts&);
+    LPEEllipse5Pts(const LPEEllipse5Pts&) = delete;
+    LPEEllipse5Pts& operator=(const LPEEllipse5Pts&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-embrodery-stitch.h b/src/live_effects/lpe-embrodery-stitch.h
index 67803f37bfabf59cbfabfa259b3c5c0a10e9b522..32404e87f207517e923ba64ade00a8fe4ff67609 100644
--- a/src/live_effects/lpe-embrodery-stitch.h
+++ b/src/live_effects/lpe-embrodery-stitch.h
@@ -62,8 +62,8 @@ private:
     ScalarParam show_stitch_gap;
     ScalarParam jump_if_longer;
 
-    LPEEmbroderyStitch(const LPEEmbroderyStitch &);
-    LPEEmbroderyStitch &operator=(const LPEEmbroderyStitch &);
+    LPEEmbroderyStitch(const LPEEmbroderyStitch &) = delete;
+    LPEEmbroderyStitch &operator=(const LPEEmbroderyStitch &) = delete;
 
     double GetPatternInitialStep(int pattern, int line);
     Geom::Point GetStartPointInterpolAfterRev(std::vector<OrderingInfo> const &info, unsigned i);
diff --git a/src/live_effects/lpe-extrude.h b/src/live_effects/lpe-extrude.h
index 491fe495901e299c717ae0c54b954ae5eae2e9c1..32549a66a349ad4f7dc75c12c86045efec6ed6fb 100644
--- a/src/live_effects/lpe-extrude.h
+++ b/src/live_effects/lpe-extrude.h
@@ -31,8 +31,8 @@ public:
 private:
     VectorParam extrude_vector;
 
-    LPEExtrude(const LPEExtrude&);
-    LPEExtrude& operator=(const LPEExtrude&);
+    LPEExtrude(const LPEExtrude&) = delete;
+    LPEExtrude& operator=(const LPEExtrude&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-fill-between-many.h b/src/live_effects/lpe-fill-between-many.h
index b03ec6bc3112b7686840b17f79151ac347f930a4..796638d51bf665f5e3094e8110955a5a096721ce 100644
--- a/src/live_effects/lpe-fill-between-many.h
+++ b/src/live_effects/lpe-fill-between-many.h
@@ -41,8 +41,8 @@ private:
     HiddenParam applied;
     Filllpemethod previous_method;
 private:
-    LPEFillBetweenMany(const LPEFillBetweenMany&);
-    LPEFillBetweenMany& operator=(const LPEFillBetweenMany&);
+    LPEFillBetweenMany(const LPEFillBetweenMany&) = delete;
+    LPEFillBetweenMany& operator=(const LPEFillBetweenMany&) = delete;
 };
 
 }; //namespace LivePathEffect
diff --git a/src/live_effects/lpe-fill-between-strokes.h b/src/live_effects/lpe-fill-between-strokes.h
index d4bf75d01f68126fb288dfa2abad96a6f2c08cd2..da3842797dd4fb22d110737521565cfe53b9413b 100644
--- a/src/live_effects/lpe-fill-between-strokes.h
+++ b/src/live_effects/lpe-fill-between-strokes.h
@@ -31,8 +31,8 @@ private:
     BoolParam close;
 
 private:
-    LPEFillBetweenStrokes(const LPEFillBetweenStrokes&);
-    LPEFillBetweenStrokes& operator=(const LPEFillBetweenStrokes&);
+    LPEFillBetweenStrokes(const LPEFillBetweenStrokes&) = delete;
+    LPEFillBetweenStrokes& operator=(const LPEFillBetweenStrokes&) = delete;
 };
 
 }; //namespace LivePathEffect
diff --git a/src/live_effects/lpe-gears.h b/src/live_effects/lpe-gears.h
index 57b49d2b5697a0e8ac0855f4f0f6c844efc9915d..945cae8ccdeed384554d3bfce60de321362c3d28 100644
--- a/src/live_effects/lpe-gears.h
+++ b/src/live_effects/lpe-gears.h
@@ -29,8 +29,8 @@ private:
     ScalarParam phi;
     ScalarParam min_radius;
 
-    LPEGears(const LPEGears&);
-    LPEGears& operator=(const LPEGears&);
+    LPEGears(const LPEGears&) = delete;
+    LPEGears& operator=(const LPEGears&) = delete;
 };
 
 }; //namespace LivePathEffect
diff --git a/src/live_effects/lpe-interpolate.h b/src/live_effects/lpe-interpolate.h
index ef8043e46f8130567d40c51237633d1c0f506607..629b6906fd063d9751363fdfbd52543e1dd59b7c 100644
--- a/src/live_effects/lpe-interpolate.h
+++ b/src/live_effects/lpe-interpolate.h
@@ -35,8 +35,8 @@ private:
     ScalarParam number_of_steps;
     BoolParam   equidistant_spacing;
 
-    LPEInterpolate(const LPEInterpolate&);
-    LPEInterpolate& operator=(const LPEInterpolate&);
+    LPEInterpolate(const LPEInterpolate&) = delete;
+    LPEInterpolate& operator=(const LPEInterpolate&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-interpolate_points.h b/src/live_effects/lpe-interpolate_points.h
index eb706a3208016ecba3a5e5221c4b97677b4fb82a..395fbc9fb0f26e4842e06ca8382f7f12034c1897 100644
--- a/src/live_effects/lpe-interpolate_points.h
+++ b/src/live_effects/lpe-interpolate_points.h
@@ -30,8 +30,8 @@ public:
 private:
     EnumParam<unsigned> interpolator_type;
 
-    LPEInterpolatePoints(const LPEInterpolatePoints&);
-    LPEInterpolatePoints& operator=(const LPEInterpolatePoints&);
+    LPEInterpolatePoints(const LPEInterpolatePoints&) = delete;
+    LPEInterpolatePoints& operator=(const LPEInterpolatePoints&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-jointype.h b/src/live_effects/lpe-jointype.h
index ef7abdcc70f16b322218f6e7994fe81d8cbeca32..24f667d295c3ddb4b414fc7f9fbb177f6678b8f3 100644
--- a/src/live_effects/lpe-jointype.h
+++ b/src/live_effects/lpe-jointype.h
@@ -27,8 +27,8 @@ public:
     virtual Geom::PathVector doEffect_path (Geom::PathVector const & path_in);
 
 private:
-    LPEJoinType(const LPEJoinType&);
-    LPEJoinType& operator=(const LPEJoinType&);
+    LPEJoinType(const LPEJoinType&) = delete;
+    LPEJoinType& operator=(const LPEJoinType&) = delete;
 
     ScalarParam line_width;
     EnumParam<unsigned> linecap_type;
diff --git a/src/live_effects/lpe-knot.h b/src/live_effects/lpe-knot.h
index c268b051a6bdb4bfa549f40a8a385ced2277b547..4f8ba95f62e4e942777a5fbb69cdaa794752383d 100644
--- a/src/live_effects/lpe-knot.h
+++ b/src/live_effects/lpe-knot.h
@@ -88,8 +88,8 @@ private:
   unsigned selectedCrossing;//the selected crossing
   Geom::Point switcher;//where to put the "switcher" helper
   
-  LPEKnot(const LPEKnot&);
-  LPEKnot& operator=(const LPEKnot&);
+  LPEKnot(const LPEKnot&) = delete;
+  LPEKnot& operator=(const LPEKnot&) = delete;
   
 };
   
diff --git a/src/live_effects/lpe-lattice.h b/src/live_effects/lpe-lattice.h
index 8720af13822a0ae7d262abad464832203dda78ad..52e1a0b9f219ce0894a3e8757b54bcd75edaca15 100644
--- a/src/live_effects/lpe-lattice.h
+++ b/src/live_effects/lpe-lattice.h
@@ -58,8 +58,8 @@ private:
     PointParam grid_point13;
     PointParam grid_point14;
     PointParam grid_point15;
-    LPELattice(const LPELattice&);
-    LPELattice& operator=(const LPELattice&);
+    LPELattice(const LPELattice&) = delete;
+    LPELattice& operator=(const LPELattice&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-lattice2.h b/src/live_effects/lpe-lattice2.h
index 899c9e00982841f0f9389b0a6ab7f9edcb7c2347..17bb67f23413100092826bb3a46012399360a9ca 100644
--- a/src/live_effects/lpe-lattice2.h
+++ b/src/live_effects/lpe-lattice2.h
@@ -94,8 +94,8 @@ private:
     bool expanded;
     Gtk::Expander * expander;
 
-    LPELattice2(const LPELattice2&);
-    LPELattice2& operator=(const LPELattice2&);
+    LPELattice2(const LPELattice2&) = delete;
+    LPELattice2& operator=(const LPELattice2&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-line_segment.h b/src/live_effects/lpe-line_segment.h
index def828fe271d1c79c91f658ebe85faff7f2833cf..c5c0e74764468c7034b97fbcbbdf6ab5e3dd4a4e 100644
--- a/src/live_effects/lpe-line_segment.h
+++ b/src/live_effects/lpe-line_segment.h
@@ -43,8 +43,8 @@ private:
     Geom::Point A, B; // intersections of the line segment with the limiting bounding box
     Geom::Point bboxA, bboxB; // upper left and lower right corner of limiting bounding box
 
-    LPELineSegment(const LPELineSegment&);
-    LPELineSegment& operator=(const LPELineSegment&);
+    LPELineSegment(const LPELineSegment&) = delete;
+    LPELineSegment& operator=(const LPELineSegment&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-measure-segments.h b/src/live_effects/lpe-measure-segments.h
index 4f9df35c8181904ee5237ea1d49aedf9dccc9b72..e4cde08a07b9b648e9164495dc6555c5833b1e00 100644
--- a/src/live_effects/lpe-measure-segments.h
+++ b/src/live_effects/lpe-measure-segments.h
@@ -95,8 +95,8 @@ private:
     double arrow_gap;
     guint pagenumber;
     gchar const* locale_base;
-    LPEMeasureSegments(const LPEMeasureSegments &);
-    LPEMeasureSegments &operator=(const LPEMeasureSegments &);
+    LPEMeasureSegments(const LPEMeasureSegments &) = delete;
+    LPEMeasureSegments &operator=(const LPEMeasureSegments &) = delete;
 
 };
 
diff --git a/src/live_effects/lpe-mirror_symmetry.h b/src/live_effects/lpe-mirror_symmetry.h
index aa02b1352a8be2706e38164920210f4a406345f4..1b5e936ddf225aaa6f34836163a94c10d8bd019f 100644
--- a/src/live_effects/lpe-mirror_symmetry.h
+++ b/src/live_effects/lpe-mirror_symmetry.h
@@ -74,8 +74,8 @@ private:
     bool reset;
     bool center_vert;
     bool center_horiz;
-    LPEMirrorSymmetry(const LPEMirrorSymmetry&);
-    LPEMirrorSymmetry& operator=(const LPEMirrorSymmetry&);
+    LPEMirrorSymmetry(const LPEMirrorSymmetry&) = delete;
+    LPEMirrorSymmetry& operator=(const LPEMirrorSymmetry&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-parallel.h b/src/live_effects/lpe-parallel.h
index ff19d690efead23109ea5a710394ae1d80216e4e..56ee1b9ea9c652fd04bd9a7a1d8488689018e0d1 100644
--- a/src/live_effects/lpe-parallel.h
+++ b/src/live_effects/lpe-parallel.h
@@ -54,8 +54,8 @@ private:
     Geom::Point N;
     Geom::Point dir;
 
-    LPEParallel(const LPEParallel&);
-    LPEParallel& operator=(const LPEParallel&);
+    LPEParallel(const LPEParallel&) = delete;
+    LPEParallel& operator=(const LPEParallel&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-path_length.h b/src/live_effects/lpe-path_length.h
index 14d093c09f86dfddb4c0f955e8f8ed8f8d3e0960..6530e9fa191d184cf85884c6b05f31863e755134 100644
--- a/src/live_effects/lpe-path_length.h
+++ b/src/live_effects/lpe-path_length.h
@@ -30,8 +30,8 @@ public:
     virtual Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in);
 
 private:
-    LPEPathLength(const LPEPathLength&);
-    LPEPathLength& operator=(const LPEPathLength&);
+    LPEPathLength(const LPEPathLength&) = delete;
+    LPEPathLength& operator=(const LPEPathLength&) = delete;
     ScalarParam scale;
     TextParamInternal info_text;
     UnitParam unit;
diff --git a/src/live_effects/lpe-perp_bisector.h b/src/live_effects/lpe-perp_bisector.h
index 3a2278de3cd523c7481d08339fa3931afb88e5e8..219cd6156ef14b2236cf08eff6dc55f2572f51fb 100644
--- a/src/live_effects/lpe-perp_bisector.h
+++ b/src/live_effects/lpe-perp_bisector.h
@@ -60,8 +60,8 @@ private:
     Geom::Point D; // right end of bisector
     Geom::Point perp_dir;
 
-    LPEPerpBisector(const LPEPerpBisector&);
-    LPEPerpBisector& operator=(const LPEPerpBisector&);
+    LPEPerpBisector(const LPEPerpBisector&) = delete;
+    LPEPerpBisector& operator=(const LPEPerpBisector&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-perspective-envelope.h b/src/live_effects/lpe-perspective-envelope.h
index 727b7839d4d718d5d6cfd3f784d4aef8b24e296a..5bf130ca762f20649ea30591780bded8aa627ebe 100644
--- a/src/live_effects/lpe-perspective-envelope.h
+++ b/src/live_effects/lpe-perspective-envelope.h
@@ -67,8 +67,8 @@ private:
     PointParam down_left_point;
     PointParam down_right_point;
     std::vector<Geom::Point> handles;
-    LPEPerspectiveEnvelope(const LPEPerspectiveEnvelope&);
-    LPEPerspectiveEnvelope& operator=(const LPEPerspectiveEnvelope&);
+    LPEPerspectiveEnvelope(const LPEPerspectiveEnvelope&) = delete;
+    LPEPerspectiveEnvelope& operator=(const LPEPerspectiveEnvelope&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-perspective_path.h b/src/live_effects/lpe-perspective_path.h
index 87ee453ff89b80353b5c0b3a2b4591ad79a9060b..d55d7fe8ce4025ab13c8761f15617c1fa24ffd78 100644
--- a/src/live_effects/lpe-perspective_path.h
+++ b/src/live_effects/lpe-perspective_path.h
@@ -54,8 +54,8 @@ private:
     // there are all kinds of parameters. Check the /live_effects/parameter directory which types exist!
     Geom::Point orig;
 
-    LPEPerspectivePath(const LPEPerspectivePath&);
-    LPEPerspectivePath& operator=(const LPEPerspectivePath&);
+    LPEPerspectivePath(const LPEPerspectivePath&) = delete;
+    LPEPerspectivePath& operator=(const LPEPerspectivePath&) = delete;
 
     std::vector<Geom::Point> handles;
     double tmat[3][4];
diff --git a/src/live_effects/lpe-powerstroke-interpolators.h b/src/live_effects/lpe-powerstroke-interpolators.h
index e3ab37e279a114bd3e93ba85b622f011ee722a6e..c0a60fa81be12252121866f97d6725aec5d13487 100644
--- a/src/live_effects/lpe-powerstroke-interpolators.h
+++ b/src/live_effects/lpe-powerstroke-interpolators.h
@@ -42,8 +42,8 @@ public:
     virtual Geom::Path interpolateToPath(std::vector<Point> const &points) const = 0;
 
 private:
-    Interpolator(const Interpolator&);
-    Interpolator& operator=(const Interpolator&);
+    Interpolator(const Interpolator&) = delete;
+    Interpolator& operator=(const Interpolator&) = delete;
 };
 
 class Linear : public Interpolator {
@@ -61,8 +61,8 @@ public:
     };
 
 private:
-    Linear(const Linear&);
-    Linear& operator=(const Linear&);
+    Linear(const Linear&) = delete;
+    Linear& operator=(const Linear&) = delete;
 };
 
 // this class is terrible
@@ -100,8 +100,8 @@ public:
     };
 
 private:
-    CubicBezierFit(const CubicBezierFit&);
-    CubicBezierFit& operator=(const CubicBezierFit&);
+    CubicBezierFit(const CubicBezierFit&) = delete;
+    CubicBezierFit& operator=(const CubicBezierFit&) = delete;
 };
 
 /// @todo invent name for this class
@@ -131,8 +131,8 @@ public:
     double _beta;
 
 private:
-    CubicBezierJohan(const CubicBezierJohan&);
-    CubicBezierJohan& operator=(const CubicBezierJohan&);
+    CubicBezierJohan(const CubicBezierJohan&) = delete;
+    CubicBezierJohan& operator=(const CubicBezierJohan&) = delete;
 };
 
 /// @todo invent name for this class
@@ -169,8 +169,8 @@ public:
     double _beta;
 
 private:
-    CubicBezierSmooth(const CubicBezierSmooth&);
-    CubicBezierSmooth& operator=(const CubicBezierSmooth&);
+    CubicBezierSmooth(const CubicBezierSmooth&) = delete;
+    CubicBezierSmooth& operator=(const CubicBezierSmooth&) = delete;
 };
 
 class SpiroInterpolator : public Interpolator {
@@ -202,8 +202,8 @@ public:
     };
 
 private:
-    SpiroInterpolator(const SpiroInterpolator&);
-    SpiroInterpolator& operator=(const SpiroInterpolator&);
+    SpiroInterpolator(const SpiroInterpolator&) = delete;
+    SpiroInterpolator& operator=(const SpiroInterpolator&) = delete;
 };
 
 // Quick mockup for testing the behavior for powerstroke controlpoint interpolation
@@ -282,8 +282,8 @@ private:
         return CubicBezier(b0, b1, b2, b3);
     }
 
-    CentripetalCatmullRomInterpolator(const CentripetalCatmullRomInterpolator&);
-    CentripetalCatmullRomInterpolator& operator=(const CentripetalCatmullRomInterpolator&);
+    CentripetalCatmullRomInterpolator(const CentripetalCatmullRomInterpolator&) = delete;
+    CentripetalCatmullRomInterpolator& operator=(const CentripetalCatmullRomInterpolator&) = delete;
 };
 
 
diff --git a/src/live_effects/lpe-powerstroke.h b/src/live_effects/lpe-powerstroke.h
index 19696ac57b8948e075976e3f572ea6372b99c139..685a4061479ebdf82ac3c35c22ebfd8e4d7d2456 100644
--- a/src/live_effects/lpe-powerstroke.h
+++ b/src/live_effects/lpe-powerstroke.h
@@ -45,8 +45,8 @@ private:
     EnumParam<unsigned> linejoin_type;
     ScalarParam miter_limit;
     EnumParam<unsigned> end_linecap_type;
-    LPEPowerStroke(const LPEPowerStroke&);
-    LPEPowerStroke& operator=(const LPEPowerStroke&);
+    LPEPowerStroke(const LPEPowerStroke&) = delete;
+    LPEPowerStroke& operator=(const LPEPowerStroke&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-pts2ellipse.h b/src/live_effects/lpe-pts2ellipse.h
index 1e04159d62b73662d6054958f5cb82f9fc3f814e..d7a6d2d40e4b24cb60d48f2e85dd33224c92aeb5 100644
--- a/src/live_effects/lpe-pts2ellipse.h
+++ b/src/live_effects/lpe-pts2ellipse.h
@@ -38,8 +38,8 @@ public:
     virtual Geom::PathVector doEffect_path (Geom::PathVector const & path_in);
 
 private:
-    LPEPts2Ellipse(const LPEPts2Ellipse&);
-    LPEPts2Ellipse& operator=(const LPEPts2Ellipse&);
+    LPEPts2Ellipse(const LPEPts2Ellipse&) = delete;
+    LPEPts2Ellipse& operator=(const LPEPts2Ellipse&) = delete;
 
 
     int genIsometricEllipse (std::vector<Geom::Point> const & points_in,
diff --git a/src/live_effects/lpe-recursiveskeleton.h b/src/live_effects/lpe-recursiveskeleton.h
index 099b030d44504c19e8be2af2df4e6fcecb80f090..42040e668f07ab4e9bc8291a36fb71ce92a5c8a1 100644
--- a/src/live_effects/lpe-recursiveskeleton.h
+++ b/src/live_effects/lpe-recursiveskeleton.h
@@ -29,8 +29,8 @@ public:
 private:
     ScalarParam iterations;
 
-    LPERecursiveSkeleton(const LPERecursiveSkeleton&);
-    LPERecursiveSkeleton& operator=(const LPERecursiveSkeleton&);
+    LPERecursiveSkeleton(const LPERecursiveSkeleton&) = delete;
+    LPERecursiveSkeleton& operator=(const LPERecursiveSkeleton&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-rough-hatches.h b/src/live_effects/lpe-rough-hatches.h
index f8454e1eae859fc1d04a21a00e9c4baefd1714c3..ab1bf098cf28fa885e7f71a0b0366ca4ce1d94fd 100644
--- a/src/live_effects/lpe-rough-hatches.h
+++ b/src/live_effects/lpe-rough-hatches.h
@@ -66,8 +66,8 @@ private:
   VectorParam direction;
   VectorParam bender;
 
-  LPERoughHatches(const LPERoughHatches&);
-  LPERoughHatches& operator=(const LPERoughHatches&);
+  LPERoughHatches(const LPERoughHatches&) = delete;
+  LPERoughHatches& operator=(const LPERoughHatches&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-roughen.h b/src/live_effects/lpe-roughen.h
index bab06022f2a729f4cf774c75c950d701f9409651..aebc0e313956ad727d652fcf5dc95cc666497c26 100644
--- a/src/live_effects/lpe-roughen.h
+++ b/src/live_effects/lpe-roughen.h
@@ -64,8 +64,8 @@ private:
     BoolParam fixed_displacement;
     BoolParam spray_tool_friendly;
     long seed;
-    LPERoughen(const LPERoughen &);
-    LPERoughen &operator=(const LPERoughen &);
+    LPERoughen(const LPERoughen &) = delete;
+    LPERoughen &operator=(const LPERoughen &) = delete;
 
 };
 
diff --git a/src/live_effects/lpe-ruler.h b/src/live_effects/lpe-ruler.h
index 8c5c83cebeaccb3ed9414ce5deda61cf85111fdf..64c6bf40e62855aa22cbc16ab7f6feb13b04976f 100644
--- a/src/live_effects/lpe-ruler.h
+++ b/src/live_effects/lpe-ruler.h
@@ -62,8 +62,8 @@ private:
 
     static Geom::Point n_major, n_minor; // used for internal computations
 
-    LPERuler(const LPERuler&);
-    LPERuler& operator=(const LPERuler&);
+    LPERuler(const LPERuler&) = delete;
+    LPERuler& operator=(const LPERuler&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-show_handles.h b/src/live_effects/lpe-show_handles.h
index 583be9e61bceb29ee2dbf4863306a59e66a008ba..7efa799f3b495baa2e267323f823ab208773d8e7 100644
--- a/src/live_effects/lpe-show_handles.h
+++ b/src/live_effects/lpe-show_handles.h
@@ -51,8 +51,8 @@ private:
 
     Geom::PathVector outline_path;
 
-    LPEShowHandles(const LPEShowHandles &);
-    LPEShowHandles &operator=(const LPEShowHandles &);
+    LPEShowHandles(const LPEShowHandles &) = delete;
+    LPEShowHandles &operator=(const LPEShowHandles &) = delete;
 
 };
 
diff --git a/src/live_effects/lpe-simplify.h b/src/live_effects/lpe-simplify.h
index 6c407f572c4686d36375428a68190da20bd024b2..c206e45e86185bf6a86cc81ebf01ade2bd4851e6 100644
--- a/src/live_effects/lpe-simplify.h
+++ b/src/live_effects/lpe-simplify.h
@@ -48,8 +48,8 @@ private:
     Geom::PathVector hp;
     Geom::OptRect bbox;
 
-    LPESimplify(const LPESimplify &);
-    LPESimplify &operator=(const LPESimplify &);
+    LPESimplify(const LPESimplify &) = delete;
+    LPESimplify &operator=(const LPESimplify &) = delete;
 
 };
 
diff --git a/src/live_effects/lpe-skeleton.h b/src/live_effects/lpe-skeleton.h
index e633ba5abf846353e2b2c639981199342b4aac0c..51d96777f8747eea1886a8d54b14dd257c81121d 100644
--- a/src/live_effects/lpe-skeleton.h
+++ b/src/live_effects/lpe-skeleton.h
@@ -48,8 +48,8 @@ private:
     ScalarParam number;
     // there are all kinds of parameters. Check the /live_effects/parameter directory which types exist!
 
-    LPESkeleton(const LPESkeleton&);
-    LPESkeleton& operator=(const LPESkeleton&);
+    LPESkeleton(const LPESkeleton&) = delete;
+    LPESkeleton& operator=(const LPESkeleton&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-sketch.h b/src/live_effects/lpe-sketch.h
index 3bef0cf5e51a5c77228c2ca62d76bc70877331f9..5d178269e5a07a251ca101fa949835353043ada5 100644
--- a/src/live_effects/lpe-sketch.h
+++ b/src/live_effects/lpe-sketch.h
@@ -57,8 +57,8 @@ private:
     ScalarParam max_curvature;
 #endif
 #endif
-    LPESketch(const LPESketch&);
-    LPESketch& operator=(const LPESketch&);
+    LPESketch(const LPESketch&) = delete;
+    LPESketch& operator=(const LPESketch&) = delete;
 
     Geom::Piecewise<Geom::D2<Geom::SBasis> > computePerturbation (double s0, double s1);
 
diff --git a/src/live_effects/lpe-spiro.h b/src/live_effects/lpe-spiro.h
index c8aba53d928580dff4890bcd5e88f4d9c6335240..14a026da460bae72d6e42dd750978af3239ca80a 100644
--- a/src/live_effects/lpe-spiro.h
+++ b/src/live_effects/lpe-spiro.h
@@ -23,8 +23,8 @@ public:
     virtual void doEffect(SPCurve * curve);
 
 private:
-    LPESpiro(const LPESpiro&);
-    LPESpiro& operator=(const LPESpiro&);
+    LPESpiro(const LPESpiro&) = delete;
+    LPESpiro& operator=(const LPESpiro&) = delete;
 };
 
 void sp_spiro_do_effect(SPCurve *curve);
diff --git a/src/live_effects/lpe-tangent_to_curve.h b/src/live_effects/lpe-tangent_to_curve.h
index a6a3c17ca78143fc6cb8d7fde5d280967ce550fd..5761a3cd7f897650ae4b1ec25be9e81fd87e4cf2 100644
--- a/src/live_effects/lpe-tangent_to_curve.h
+++ b/src/live_effects/lpe-tangent_to_curve.h
@@ -56,8 +56,8 @@ private:
     Geom::Point C; // left end of tangent
     Geom::Point D; // right end of tangent
 
-    LPETangentToCurve(const LPETangentToCurve&);
-    LPETangentToCurve& operator=(const LPETangentToCurve&);
+    LPETangentToCurve(const LPETangentToCurve&) = delete;
+    LPETangentToCurve& operator=(const LPETangentToCurve&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-taperstroke.h b/src/live_effects/lpe-taperstroke.h
index e3ecbb56cea73d640c23c2343448384fe55bf59f..9e3de772c73b9996b9c764c6a8feb5aacf4eacf9 100644
--- a/src/live_effects/lpe-taperstroke.h
+++ b/src/live_effects/lpe-taperstroke.h
@@ -51,8 +51,8 @@ private:
     Geom::Point start_attach_point;
     Geom::Point end_attach_point;
 
-    LPETaperStroke(const LPETaperStroke&);
-    LPETaperStroke& operator=(const LPETaperStroke&);
+    LPETaperStroke(const LPETaperStroke&) = delete;
+    LPETaperStroke& operator=(const LPETaperStroke&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-test-doEffect-stack.h b/src/live_effects/lpe-test-doEffect-stack.h
index 208a345c641656d936a54d28f1c7de0ff6e701c9..52577407567ea2100bd78cb945553f307793ad6e 100644
--- a/src/live_effects/lpe-test-doEffect-stack.h
+++ b/src/live_effects/lpe-test-doEffect-stack.h
@@ -35,8 +35,8 @@ private:
     PointParam point;
     PathParam path;
 
-    LPEdoEffectStackTest(const LPEdoEffectStackTest&);
-    LPEdoEffectStackTest& operator=(const LPEdoEffectStackTest&);
+    LPEdoEffectStackTest(const LPEdoEffectStackTest&) = delete;
+    LPEdoEffectStackTest& operator=(const LPEdoEffectStackTest&) = delete;
 };
 
 }; //namespace LivePathEffect
diff --git a/src/live_effects/lpe-text_label.h b/src/live_effects/lpe-text_label.h
index 58db5ece9ea45ea054457af944f33eb811053689..aef50a79a6cc4e9793875fabd2e1bec8a04391af 100644
--- a/src/live_effects/lpe-text_label.h
+++ b/src/live_effects/lpe-text_label.h
@@ -30,8 +30,8 @@ public:
 private:
     TextParam label;
 
-    LPETextLabel(const LPETextLabel&);
-    LPETextLabel& operator=(const LPETextLabel&);
+    LPETextLabel(const LPETextLabel&) = delete;
+    LPETextLabel& operator=(const LPETextLabel&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-transform_2pts.h b/src/live_effects/lpe-transform_2pts.h
index 0f88e6b0095aa9bff69b61b2e65f4ef8338d4322..632cae51da7c1898b2ddf8f1e8afc32cf56347b2 100644
--- a/src/live_effects/lpe-transform_2pts.h
+++ b/src/live_effects/lpe-transform_2pts.h
@@ -70,8 +70,8 @@ private:
     Geom::Angle previous_angle;
     Geom::Point previous_start;
     double previous_lenght;
-    LPETransform2Pts(const LPETransform2Pts&);
-    LPETransform2Pts& operator=(const LPETransform2Pts&);
+    LPETransform2Pts(const LPETransform2Pts&) = delete;
+    LPETransform2Pts& operator=(const LPETransform2Pts&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/lpe-vonkoch.h b/src/live_effects/lpe-vonkoch.h
index c0cb7ce42390c2b3933e742703c8119b3a0d8351..e762030d7e9e8a38682f14a7c05252f83065299b 100644
--- a/src/live_effects/lpe-vonkoch.h
+++ b/src/live_effects/lpe-vonkoch.h
@@ -71,8 +71,8 @@ private:
     //    PointParam   refB;
     ScalarParam  maxComplexity;
 
-    LPEVonKoch(const LPEVonKoch&);
-    LPEVonKoch& operator=(const LPEVonKoch&);
+    LPEVonKoch(const LPEVonKoch&) = delete;
+    LPEVonKoch& operator=(const LPEVonKoch&) = delete;
 };
 
 }; //namespace LivePathEffect
diff --git a/src/live_effects/parameter/bool.h b/src/live_effects/parameter/bool.h
index 1aa0e3c4a0744f2196ee620f9751b6bb25a0f13a..2437c97c757a00bab4d518a08fbcd44679468bdb 100644
--- a/src/live_effects/parameter/bool.h
+++ b/src/live_effects/parameter/bool.h
@@ -42,8 +42,8 @@ public:
     inline operator bool() const { return value; };
 
 private:
-    BoolParam(const BoolParam&);
-    BoolParam& operator=(const BoolParam&);
+    BoolParam(const BoolParam&) = delete;
+    BoolParam& operator=(const BoolParam&) = delete;
 
     bool value;
     bool defvalue;
diff --git a/src/live_effects/parameter/colorpicker.h b/src/live_effects/parameter/colorpicker.h
index 84ae2f6d59be476dfc35022121365c85c2312bca..34b11284fc09928d7cc2ab1cd9fe9b0e643b35ea 100644
--- a/src/live_effects/parameter/colorpicker.h
+++ b/src/live_effects/parameter/colorpicker.h
@@ -37,8 +37,8 @@ public:
     const guint32 get_value() const { return value; };
 
 private:
-    ColorPickerParam(const ColorPickerParam&);
-    ColorPickerParam& operator=(const ColorPickerParam&);
+    ColorPickerParam(const ColorPickerParam&) = delete;
+    ColorPickerParam& operator=(const ColorPickerParam&) = delete;
     guint32 value;
     guint32 defvalue;
 };
diff --git a/src/live_effects/parameter/enum.h b/src/live_effects/parameter/enum.h
index 82eaa6d433bc89e5abbfba418ddb36b80c3bfc18..eef176591b2ab8cf4c1bc595f38552f6ef039e07 100644
--- a/src/live_effects/parameter/enum.h
+++ b/src/live_effects/parameter/enum.h
@@ -96,8 +96,8 @@ public:
     }
 
 private:
-    EnumParam(const EnumParam&);
-    EnumParam& operator=(const EnumParam&);
+    EnumParam(const EnumParam&) = delete;
+    EnumParam& operator=(const EnumParam&) = delete;
 
     E value;
     E defvalue;
diff --git a/src/live_effects/parameter/fontbutton.h b/src/live_effects/parameter/fontbutton.h
index e2d0e1bb2a1847c29928054a0091d19f8fc4e105..f028492a75b835be31ab27ff41568ffb52d82f0d 100644
--- a/src/live_effects/parameter/fontbutton.h
+++ b/src/live_effects/parameter/fontbutton.h
@@ -37,8 +37,8 @@ public:
     const Glib::ustring get_value() const { return defvalue; };
 
 private:
-    FontButtonParam(const FontButtonParam&);
-    FontButtonParam& operator=(const FontButtonParam&);
+    FontButtonParam(const FontButtonParam&) = delete;
+    FontButtonParam& operator=(const FontButtonParam&) = delete;
     Glib::ustring value;
     Glib::ustring defvalue;
 
diff --git a/src/live_effects/parameter/hidden.h b/src/live_effects/parameter/hidden.h
index b41c6c93c1e840a2507194cb7772479ded14b22f..e6df8ceea21e90c27028f7b7088f0a03927c09b2 100644
--- a/src/live_effects/parameter/hidden.h
+++ b/src/live_effects/parameter/hidden.h
@@ -46,8 +46,8 @@ public:
     const Glib::ustring get_value() const { return value; };
 
 private:
-    HiddenParam(const HiddenParam&);
-    HiddenParam& operator=(const HiddenParam&);
+    HiddenParam(const HiddenParam&) = delete;
+    HiddenParam& operator=(const HiddenParam&) = delete;
     Glib::ustring value;
     Glib::ustring defvalue;
 };
diff --git a/src/live_effects/parameter/item-reference.h b/src/live_effects/parameter/item-reference.h
index 597e7ba51cbc4b6c13efbbe2cbff79a74a603961..603453ec57a2195e7a491ba62efb7bfac0bb54cc 100644
--- a/src/live_effects/parameter/item-reference.h
+++ b/src/live_effects/parameter/item-reference.h
@@ -32,8 +32,8 @@ protected:
     virtual bool _acceptObject(SPObject * const obj) const;
 
 private:
-    ItemReference(const ItemReference&);
-    ItemReference& operator=(const ItemReference&);
+    ItemReference(const ItemReference&) = delete;
+    ItemReference& operator=(const ItemReference&) = delete;
 };
 
 } // namespace LivePathEffect
diff --git a/src/live_effects/parameter/item.h b/src/live_effects/parameter/item.h
index d32098db5ab0545a9e5abce0ffeba012a8bd7c3f..7ccfc6a9f4f2612f0d03b099f1f198948df099e3 100644
--- a/src/live_effects/parameter/item.h
+++ b/src/live_effects/parameter/item.h
@@ -68,8 +68,8 @@ protected:
     gchar * defvalue;
 
 private:
-    ItemParam(const ItemParam&);
-    ItemParam& operator=(const ItemParam&);
+    ItemParam(const ItemParam&) = delete;
+    ItemParam& operator=(const ItemParam&) = delete;
 };
 
 
diff --git a/src/live_effects/parameter/message.h b/src/live_effects/parameter/message.h
index fd850a7675c0c5af1bd241dcdab7db6b0ccadc90..255f4b01624f8c684053e4eae4af46b6ea2d5945 100644
--- a/src/live_effects/parameter/message.h
+++ b/src/live_effects/parameter/message.h
@@ -39,8 +39,8 @@ public:
 private:
     Gtk::Label * _label;
     int _min_height;
-    MessageParam(const MessageParam&);
-    MessageParam& operator=(const MessageParam&);
+    MessageParam(const MessageParam&) = delete;
+    MessageParam& operator=(const MessageParam&) = delete;
     const gchar *  message;
     const gchar *  defmessage;
 };
diff --git a/src/live_effects/parameter/originalitem.h b/src/live_effects/parameter/originalitem.h
index 168728f8645ce1dcf04fe84afec53cdf76d40c13..23720c74aba47773fa05d200ac18694c7d7c9e94 100644
--- a/src/live_effects/parameter/originalitem.h
+++ b/src/live_effects/parameter/originalitem.h
@@ -35,8 +35,8 @@ protected:
     void on_select_original_button_click();
 
 private:
-    OriginalItemParam(const OriginalItemParam&);
-    OriginalItemParam& operator=(const OriginalItemParam&);
+    OriginalItemParam(const OriginalItemParam&) = delete;
+    OriginalItemParam& operator=(const OriginalItemParam&) = delete;
 };
 
 
diff --git a/src/live_effects/parameter/originalpath.h b/src/live_effects/parameter/originalpath.h
index ec80d10260daaeab29a2f6fdb955e4df8e74fb51..6e9888d425ce1700c091058b0317efdb1a452827 100644
--- a/src/live_effects/parameter/originalpath.h
+++ b/src/live_effects/parameter/originalpath.h
@@ -42,8 +42,8 @@ protected:
 
 private:
     bool _from_original_d;
-    OriginalPathParam(const OriginalPathParam&);
-    OriginalPathParam& operator=(const OriginalPathParam&);
+    OriginalPathParam(const OriginalPathParam&) = delete;
+    OriginalPathParam& operator=(const OriginalPathParam&) = delete;
 };
 
 
diff --git a/src/live_effects/parameter/originalpatharray.h b/src/live_effects/parameter/originalpatharray.h
index 8c972fd96c130fd41bf95a38377f7cea7b6ef1d4..36d5b78a6ddb0451f15dec1f6bba2fd560c82329 100644
--- a/src/live_effects/parameter/originalpatharray.h
+++ b/src/live_effects/parameter/originalpatharray.h
@@ -111,8 +111,8 @@ private:
     bool _from_original_d;
     bool _allow_only_bspline_spiro;
     void update();
-    OriginalPathArrayParam(const OriginalPathArrayParam&);
-    OriginalPathArrayParam& operator=(const OriginalPathArrayParam&);
+    OriginalPathArrayParam(const OriginalPathArrayParam&) = delete;
+    OriginalPathArrayParam& operator=(const OriginalPathArrayParam&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/parameter/parameter.h b/src/live_effects/parameter/parameter.h
index aa4212f151182a32fd1c955865ebad58f17a8519..33d91d4df0850fdd5ac497eaf89a56622cf53b9c 100644
--- a/src/live_effects/parameter/parameter.h
+++ b/src/live_effects/parameter/parameter.h
@@ -93,8 +93,8 @@ protected:
     void param_write_to_repr(const char * svgd);
 
 private:
-    Parameter(const Parameter&);
-    Parameter& operator=(const Parameter&);
+    Parameter(const Parameter&) = delete;
+    Parameter& operator=(const Parameter&) = delete;
 };
 
 
@@ -143,8 +143,8 @@ protected:
 private:
     bool on_button_release(GdkEventButton* button_event);
 
-    ScalarParam(const ScalarParam&);
-    ScalarParam& operator=(const ScalarParam&);
+    ScalarParam(const ScalarParam&) = delete;
+    ScalarParam& operator=(const ScalarParam&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/parameter/path-reference.h b/src/live_effects/parameter/path-reference.h
index c32d063f6a143321639089914daf482b02dedf79..ccd94dd1dc9f4553ef6ad732d72f44742ae359ad 100644
--- a/src/live_effects/parameter/path-reference.h
+++ b/src/live_effects/parameter/path-reference.h
@@ -32,8 +32,8 @@ protected:
     virtual bool _acceptObject(SPObject * const obj) const;
 
 private:
-    PathReference(const PathReference&);
-    PathReference& operator=(const PathReference&);
+    PathReference(const PathReference&) = delete;
+    PathReference& operator=(const PathReference&) = delete;
 };
 
 } // namespace LivePathEffect
diff --git a/src/live_effects/parameter/path.h b/src/live_effects/parameter/path.h
index 635056772de87f8bc9432a75a521e11ad05b11d7..998874980d4179b1ad31c8a45e3f2acc31d47e77 100644
--- a/src/live_effects/parameter/path.h
+++ b/src/live_effects/parameter/path.h
@@ -98,8 +98,8 @@ private:
     bool _copy_button;
     bool _paste_button;
     bool _link_button;
-    PathParam(const PathParam&);
-    PathParam& operator=(const PathParam&);
+    PathParam(const PathParam&) = delete;
+    PathParam& operator=(const PathParam&) = delete;
 };
 
 
diff --git a/src/live_effects/parameter/point.h b/src/live_effects/parameter/point.h
index ea01101005d81387c978a17ef205e5cd9c88c065..9d4164c9b0f7633c590c0368ef473cd7a856fec6 100644
--- a/src/live_effects/parameter/point.h
+++ b/src/live_effects/parameter/point.h
@@ -56,8 +56,8 @@ public:
     virtual void addKnotHolderEntities(KnotHolder *knotholder, SPItem *item);
     friend class PointParamKnotHolderEntity;
 private:
-    PointParam(const PointParam&);
-    PointParam& operator=(const PointParam&);
+    PointParam(const PointParam&) = delete;
+    PointParam& operator=(const PointParam&) = delete;
     bool on_button_release(GdkEventButton* button_event);
     Geom::Point defvalue;
     bool liveupdate;
diff --git a/src/live_effects/parameter/powerstrokepointarray.h b/src/live_effects/parameter/powerstrokepointarray.h
index a1d4db3ca7d0fa9441233f651848b656ccd0d63e..d028d706d6ce2367c89cec7c9cbb47e5520ba50e 100644
--- a/src/live_effects/parameter/powerstrokepointarray.h
+++ b/src/live_effects/parameter/powerstrokepointarray.h
@@ -53,8 +53,8 @@ public:
     friend class PowerStrokePointArrayParamKnotHolderEntity;
 
 private:
-    PowerStrokePointArrayParam(const PowerStrokePointArrayParam&);
-    PowerStrokePointArrayParam& operator=(const PowerStrokePointArrayParam&);
+    PowerStrokePointArrayParam(const PowerStrokePointArrayParam&) = delete;
+    PowerStrokePointArrayParam& operator=(const PowerStrokePointArrayParam&) = delete;
 
     SPKnotShapeType knot_shape;
     SPKnotModeType knot_mode;
diff --git a/src/live_effects/parameter/random.h b/src/live_effects/parameter/random.h
index a2c3712a1f225d705afc402c3b008c1902de3428..9f0114ad219e8adb4c9ee75063ccebf4d227abac 100644
--- a/src/live_effects/parameter/random.h
+++ b/src/live_effects/parameter/random.h
@@ -61,8 +61,8 @@ private:
     long setup_seed(long);
     gdouble rand();
 
-    RandomParam(const RandomParam&);
-    RandomParam& operator=(const RandomParam&);
+    RandomParam(const RandomParam&) = delete;
+    RandomParam& operator=(const RandomParam&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/parameter/satellitesarray.h b/src/live_effects/parameter/satellitesarray.h
index 3039eb4322e662f36d07aa98364bad56111e208e..e7d61af2214d6bd25346fd347e1a5a2252fa9b60 100644
--- a/src/live_effects/parameter/satellitesarray.h
+++ b/src/live_effects/parameter/satellitesarray.h
@@ -65,8 +65,8 @@ protected:
     KnotHolder *_knoth;
 
 private:
-    SatellitesArrayParam(const SatellitesArrayParam &);
-    SatellitesArrayParam &operator=(const SatellitesArrayParam &);
+    SatellitesArrayParam(const SatellitesArrayParam &) = delete;
+    SatellitesArrayParam &operator=(const SatellitesArrayParam &) = delete;
 
     SPKnotShapeType _knot_shape;
     SPKnotModeType _knot_mode;
diff --git a/src/live_effects/parameter/text.h b/src/live_effects/parameter/text.h
index a9de26a525f96c538d4102ca687162a739b05daa..51651edcfbff75e323347648dcdc1287a08c01e2 100644
--- a/src/live_effects/parameter/text.h
+++ b/src/live_effects/parameter/text.h
@@ -53,8 +53,8 @@ public:
     const Glib::ustring get_value() const { return value; };
 
 private:
-    TextParam(const TextParam&);
-    TextParam& operator=(const TextParam&);
+    TextParam(const TextParam&) = delete;
+    TextParam& operator=(const TextParam&) = delete;
     double anchor_x;
     double anchor_y;
     bool _hide_canvas_text;
diff --git a/src/live_effects/parameter/togglebutton.h b/src/live_effects/parameter/togglebutton.h
index c5f8a3c28230229ff4f41c6977c8cfd493eb6d87..6d42c51552e1be2d24b991134fa8d49c7d666c08 100644
--- a/src/live_effects/parameter/togglebutton.h
+++ b/src/live_effects/parameter/togglebutton.h
@@ -55,8 +55,8 @@ public:
     virtual void param_update_default(const gchar * default_value);
 
 private:
-    ToggleButtonParam(const ToggleButtonParam&);
-    ToggleButtonParam& operator=(const ToggleButtonParam&);
+    ToggleButtonParam(const ToggleButtonParam&) = delete;
+    ToggleButtonParam& operator=(const ToggleButtonParam&) = delete;
 
     void refresh_button();
     bool value;
diff --git a/src/live_effects/parameter/transformedpoint.h b/src/live_effects/parameter/transformedpoint.h
index 8b92d81bad223045913200659010127c101f6273..b2d3203ac8231818514e19e1c8e0c1ae611f52ea 100644
--- a/src/live_effects/parameter/transformedpoint.h
+++ b/src/live_effects/parameter/transformedpoint.h
@@ -59,8 +59,8 @@ public:
     virtual void addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item);
 
 private:
-    TransformedPointParam(const TransformedPointParam&);
-    TransformedPointParam& operator=(const TransformedPointParam&);
+    TransformedPointParam(const TransformedPointParam&) = delete;
+    TransformedPointParam& operator=(const TransformedPointParam&) = delete;
 
     Geom::Point defvalue;
 
diff --git a/src/live_effects/parameter/unit.h b/src/live_effects/parameter/unit.h
index 86e1a24b39587ed96e0a1e9698ed2a82811edabe..8e3e3cb699a5c863588bd9d3fb1fa3cda0a74e00 100644
--- a/src/live_effects/parameter/unit.h
+++ b/src/live_effects/parameter/unit.h
@@ -44,8 +44,8 @@ private:
     Inkscape::Util::Unit const *unit;
     Inkscape::Util::Unit const *defunit;
 
-    UnitParam(const UnitParam&);
-    UnitParam& operator=(const UnitParam&);
+    UnitParam(const UnitParam&) = delete;
+    UnitParam& operator=(const UnitParam&) = delete;
 };
 
 } //namespace LivePathEffect
diff --git a/src/live_effects/parameter/vector.h b/src/live_effects/parameter/vector.h
index 8c842e8050656fc4ef7bafc98f1fc9f866ff38c1..412d4f0bba2c1d7f9e81a1f5844f8bd2bdb19f04 100644
--- a/src/live_effects/parameter/vector.h
+++ b/src/live_effects/parameter/vector.h
@@ -58,8 +58,8 @@ public:
     virtual void addKnotHolderEntities(KnotHolder *knotholder, SPItem *item);
 
 private:
-    VectorParam(const VectorParam&);
-    VectorParam& operator=(const VectorParam&);
+    VectorParam(const VectorParam&) = delete;
+    VectorParam& operator=(const VectorParam&) = delete;
 
     Geom::Point defvalue;
 
diff --git a/src/live_effects/spiro-converters.h b/src/live_effects/spiro-converters.h
index 6182a5dcd1422eaa2834db28e455c4f6a2c48164..b6b1c8da8b4f3e15492a723cd30ece93de4b3d0f 100644
--- a/src/live_effects/spiro-converters.h
+++ b/src/live_effects/spiro-converters.h
@@ -35,8 +35,8 @@ public:
 private:
     SPCurve &_curve;
 
-    ConverterSPCurve(const ConverterSPCurve&);
-    ConverterSPCurve& operator=(const ConverterSPCurve&);
+    ConverterSPCurve(const ConverterSPCurve&) = delete;
+    ConverterSPCurve& operator=(const ConverterSPCurve&) = delete;
 };
 
 
@@ -55,8 +55,8 @@ public:
 private:
     Geom::Path &_path;
 
-    ConverterPath(const ConverterPath&);
-    ConverterPath& operator=(const ConverterPath&);
+    ConverterPath(const ConverterPath&) = delete;
+    ConverterPath& operator=(const ConverterPath&) = delete;
 };
 
 
diff --git a/src/message-stack.h b/src/message-stack.h
index ed0315cf5849863a563a8778a0600ae1cce7dc57..a8cbf08df5fdf513ab923cefffca83b38014e8d3 100644
--- a/src/message-stack.h
+++ b/src/message-stack.h
@@ -164,8 +164,8 @@ private:
         guint timeout_id;
     };
 
-    MessageStack(MessageStack const &); // no copy
-    void operator=(MessageStack const &); // no assign
+    MessageStack(MessageStack const &) = delete; // no copy
+    void operator=(MessageStack const &) = delete; // no assign
 
     /// pushes a message onto the stack with an optional timeout
     MessageId _push(MessageType type, unsigned int lifetime, char const *message);
diff --git a/src/object/sp-conn-end.h b/src/object/sp-conn-end.h
index 2b89a159dd506e7c8aad3916026c62ed98f8e551..46f9e36fa0f87669eefcba629a5f0c44c2cf35a1 100644
--- a/src/object/sp-conn-end.h
+++ b/src/object/sp-conn-end.h
@@ -33,8 +33,8 @@ public:
 
 
 private:
-    SPConnEnd(SPConnEnd const &); // no copy
-    SPConnEnd &operator=(SPConnEnd const &); // no assign
+    SPConnEnd(SPConnEnd const &) = delete; // no copy
+    SPConnEnd &operator=(SPConnEnd const &) = delete; // no assign
 };
 
 void sp_conn_end_href_changed(SPObject *old_ref, SPObject *ref,
diff --git a/src/object/uri-references.h b/src/object/uri-references.h
index 4c57709a0736c4410f56df1e891933e3420946f2..a820ba4fbacb16f909ccc334541617ec1e356149 100644
--- a/src/object/uri-references.h
+++ b/src/object/uri-references.h
@@ -138,7 +138,7 @@ private:
     void _setObject(SPObject *object);
     void _release(SPObject *object);
 
-    void operator=(URIReference const& ref);
+    void operator=(URIReference const& ref) = delete;
     /* Private and definition-less to prevent accidental use. */
 };
 
diff --git a/src/preferences.h b/src/preferences.h
index 2a9818c6386aa99eff6766ed65899bf05cae3e43..88fdd864c0ff5d19690ce59ec8f59dd9bad2bb3f 100644
--- a/src/preferences.h
+++ b/src/preferences.h
@@ -541,8 +541,8 @@ private:
     XML::Node *_findObserverNode(Glib::ustring const &pref_path, Glib::ustring &node_key, Glib::ustring &attr_key, bool create);
 
     // disable copying
-    Preferences(Preferences const &);
-    Preferences operator=(Preferences const &);
+    Preferences(Preferences const &) = delete;
+    Preferences operator=(Preferences const &) = delete;
 
     std::string _prefs_filename; ///< Full filename (with directory) of the prefs file
     Glib::ustring _lastErrPrimary; ///< Last primary error message, if any.
diff --git a/src/profile-manager.h b/src/profile-manager.h
index 54cd4a1dafcf9d8e90b8a8f014755f87c6e38578..dee21f018e14717f0290e97f1d6146d96a612ec0 100644
--- a/src/profile-manager.h
+++ b/src/profile-manager.h
@@ -30,8 +30,8 @@ public:
     ColorProfile* find(char const* name);
 
 private:
-    ProfileManager(ProfileManager const &); // no copy
-    void operator=(ProfileManager const &); // no assign
+    ProfileManager(ProfileManager const &) = delete; // no copy
+    void operator=(ProfileManager const &) = delete; // no assign
 
     void _resourcesChanged();
 
diff --git a/src/resource-manager.h b/src/resource-manager.h
index 8f01c23a000bbc00616df9878d39dea5da9ecd5b..9452c5d69804755a196afd7702fe1915a3663da3 100644
--- a/src/resource-manager.h
+++ b/src/resource-manager.h
@@ -27,8 +27,8 @@ protected:
     virtual ~ResourceManager();
 
 private:
-    ResourceManager(ResourceManager const &); // no copy
-    void operator=(ResourceManager const &); // no assign
+    ResourceManager(ResourceManager const &) = delete; // no copy
+    void operator=(ResourceManager const &) = delete; // no assign
 };
 
 
diff --git a/src/selection.h b/src/selection.h
index 989adf6b0efd2bbc9e7dd76ac82c9b7461cfb148..dc43dcf4f6eeb9442086225ff4aa682f8f1d51fa 100644
--- a/src/selection.h
+++ b/src/selection.h
@@ -207,9 +207,9 @@ protected:
 
 private:
     /** no copy. */
-    Selection(Selection const &);
+    Selection(Selection const &) = delete;
     /** no assign. */
-    void operator=(Selection const &);
+    void operator=(Selection const &) = delete;
 
     /** Issues modification notification signals. */
     static int _emit_modified(Selection *selection);
diff --git a/src/ui/clipboard.h b/src/ui/clipboard.h
index e32b5aed26619e916bebf4374c56d78f00426837..a05c6c00544ed501bd3374c7477f528abc260922 100644
--- a/src/ui/clipboard.h
+++ b/src/ui/clipboard.h
@@ -59,8 +59,8 @@ protected:
     ClipboardManager(); // singleton
     virtual ~ClipboardManager();
 private:
-    ClipboardManager(const ClipboardManager &); ///< no copy
-    ClipboardManager &operator=(const ClipboardManager &); ///< no assign
+    ClipboardManager(const ClipboardManager &) = delete; ///< no copy
+    ClipboardManager &operator=(const ClipboardManager &) = delete; ///< no assign
 
     static ClipboardManager *_instance;
 };
diff --git a/src/ui/dialog/align-and-distribute.h b/src/ui/dialog/align-and-distribute.h
index ce45fcccdf290728aafca7c9b0a56e7ee8d0e912..34d0230bf998d00752f81cd142ff9261e0b9828d 100644
--- a/src/ui/dialog/align-and-distribute.h
+++ b/src/ui/dialog/align-and-distribute.h
@@ -118,8 +118,8 @@ protected:
     sigc::connection _toolChangeConn;
     sigc::connection _selChangeConn;
 private:
-    AlignAndDistribute(AlignAndDistribute const &d);
-    AlignAndDistribute& operator=(AlignAndDistribute const &d);
+    AlignAndDistribute(AlignAndDistribute const &d) = delete;
+    AlignAndDistribute& operator=(AlignAndDistribute const &d) = delete;
 };
 
 
diff --git a/src/ui/dialog/behavior.h b/src/ui/dialog/behavior.h
index 5d5519a0307504443b8ce8e0a780c9f72e365fd4..fbe47c6356cc5260d83169ad57be84c7feccede7 100644
--- a/src/ui/dialog/behavior.h
+++ b/src/ui/dialog/behavior.h
@@ -78,9 +78,9 @@ protected:
     Dialog& _dialog;  //< reference to the owner
 
 private:
-    Behavior(); // no constructor without params
-    Behavior(const Behavior &);            // no copy
-    Behavior &operator=(const Behavior &); // no assign
+    Behavior() = delete; // no constructor without params
+    Behavior(const Behavior &) = delete;            // no copy
+    Behavior &operator=(const Behavior &) = delete; // no assign
 };
 
 } // namespace Behavior
diff --git a/src/ui/dialog/calligraphic-profile-rename.h b/src/ui/dialog/calligraphic-profile-rename.h
index b7a97a1e71544269111e0444588e0cbf5eb67a05..c70e8ae9871d2b374d829be467a857672afdf91f 100644
--- a/src/ui/dialog/calligraphic-profile-rename.h
+++ b/src/ui/dialog/calligraphic-profile-rename.h
@@ -68,8 +68,8 @@ private:
         static CalligraphicProfileRename instance_;
         return instance_;
     }
-    CalligraphicProfileRename(CalligraphicProfileRename const &); // no copy
-    CalligraphicProfileRename &operator=(CalligraphicProfileRename const &); // no assign
+    CalligraphicProfileRename(CalligraphicProfileRename const &) = delete; // no copy
+    CalligraphicProfileRename &operator=(CalligraphicProfileRename const &) = delete; // no assign
 };
  
 } // namespace Dialog
diff --git a/src/ui/dialog/clonetiler.h b/src/ui/dialog/clonetiler.h
index f42ef8fbe7df49859b7d7df4eb4be798b60ea2a8..4fd8f95cf56c1420c409d5b7e3ee763ecba12ea9 100644
--- a/src/ui/dialog/clonetiler.h
+++ b/src/ui/dialog/clonetiler.h
@@ -143,8 +143,8 @@ protected:
 
 
 private:
-    CloneTiler(CloneTiler const &d);
-    CloneTiler& operator=(CloneTiler const &d);
+    CloneTiler(CloneTiler const &d) = delete;
+    CloneTiler& operator=(CloneTiler const &d) = delete;
 
     Gtk::CheckButton *_b;
     Gtk::CheckButton *_cb_keep_bbox;
diff --git a/src/ui/dialog/dialog.h b/src/ui/dialog/dialog.h
index 9c7efd47bef076fe67cf349d6bd02958dc5c3f63..2bde4459b92250b36bc8d87a45468b72286c89dd 100644
--- a/src/ui/dialog/dialog.h
+++ b/src/ui/dialog/dialog.h
@@ -147,10 +147,10 @@ protected:
 private:
     Behavior::Behavior* _behavior;
 
-    Dialog(); // no constructor without params
+    Dialog() = delete; // no constructor without params
 
-    Dialog(Dialog const &d);            // no copy
-    Dialog& operator=(Dialog const &d); // no assign
+    Dialog(Dialog const &d) = delete;            // no copy
+    Dialog& operator=(Dialog const &d) = delete; // no assign
 
     friend class Behavior::FloatingBehavior;
     friend class Behavior::DockBehavior;
diff --git a/src/ui/dialog/export.cpp b/src/ui/dialog/export.cpp
index 380c8a9c4fa5274ff54d99fd252dd6ee4d570a5f..ab5fe06fdc8d5802120c7103e87ea573fa9530d1 100644
--- a/src/ui/dialog/export.cpp
+++ b/src/ui/dialog/export.cpp
@@ -97,8 +97,8 @@ public:
     }
 
 private:
-    MessageCleaner(MessageCleaner const &other);
-    MessageCleaner &operator=(MessageCleaner const &other);
+    MessageCleaner(MessageCleaner const &other) = delete;
+    MessageCleaner &operator=(MessageCleaner const &other) = delete;
 
     SPDesktop *_desktop;
     Inkscape::MessageId _messageId;
diff --git a/src/ui/dialog/extensions.h b/src/ui/dialog/extensions.h
index 73876bccc7fce01ca242aae6917c3586e55071d8..b5b025faed02760150862928bbbca556f9172c54 100644
--- a/src/ui/dialog/extensions.h
+++ b/src/ui/dialog/extensions.h
@@ -38,8 +38,8 @@ public:
     void set_full(bool full);
 
 private:
-    ExtensionsPanel(ExtensionsPanel const &); // no copy
-    ExtensionsPanel &operator=(ExtensionsPanel const &); // no assign
+    ExtensionsPanel(ExtensionsPanel const &) = delete; // no copy
+    ExtensionsPanel &operator=(ExtensionsPanel const &) = delete; // no assign
 
     static void listCB(Inkscape::Extension::Extension *in_plug, gpointer in_data);
 
diff --git a/src/ui/dialog/fill-and-stroke.h b/src/ui/dialog/fill-and-stroke.h
index 67e9d60ed4847cc621cf4e7c3ea3c627f4e5d421..ad59443ad2c32142073685a45bfd315223d3c61b 100644
--- a/src/ui/dialog/fill-and-stroke.h
+++ b/src/ui/dialog/fill-and-stroke.h
@@ -67,8 +67,8 @@ protected:
     void _onSwitchPage(Gtk::Widget *page, guint pagenum);
 
 private:
-    FillAndStroke(FillAndStroke const &d);
-    FillAndStroke& operator=(FillAndStroke const &d);
+    FillAndStroke(FillAndStroke const &d) = delete;
+    FillAndStroke& operator=(FillAndStroke const &d) = delete;
 
     void setTargetDesktop(SPDesktop *desktop);
 
diff --git a/src/ui/dialog/find.h b/src/ui/dialog/find.h
index 94d635037bced9780b9f1f7fdeb318fcfb3d949f..2b4869def36c20ac8f2e5c02cc571c3202fc3535 100644
--- a/src/ui/dialog/find.h
+++ b/src/ui/dialog/find.h
@@ -199,8 +199,8 @@ protected:
     void onSelectionChange(void);
 
 private:
-    Find(Find const &d);
-    Find& operator=(Find const &d);
+    Find(Find const &d) = delete;
+    Find& operator=(Find const &d) = delete;
 
     /*
      * Find and replace combo box widgets
diff --git a/src/ui/dialog/font-substitution.h b/src/ui/dialog/font-substitution.h
index 0818d778c6647e0c7e7586265f5359db9c992d7e..3d42c01f2eb61b31097c494328f5970c80cc38db 100644
--- a/src/ui/dialog/font-substitution.h
+++ b/src/ui/dialog/font-substitution.h
@@ -35,8 +35,8 @@ protected:
     std::vector<SPItem*> getFontReplacedItems(SPDocument* doc, Glib::ustring *out);
 
 private:
-    FontSubstitution(FontSubstitution const &d);
-    FontSubstitution& operator=(FontSubstitution const &d);
+    FontSubstitution(FontSubstitution const &d) = delete;
+    FontSubstitution& operator=(FontSubstitution const &d) = delete;
 };
 
 } // namespace Dialog
diff --git a/src/ui/dialog/glyphs.h b/src/ui/dialog/glyphs.h
index 818d388118343cd14eb26ad2f8342bf5ac008e72..d9eb30c7c55b6bc2dc8c72b13814ad86c4c4519d 100644
--- a/src/ui/dialog/glyphs.h
+++ b/src/ui/dialog/glyphs.h
@@ -47,8 +47,8 @@ public:
 protected:
 
 private:
-    GlyphsPanel(GlyphsPanel const &); // no copy
-    GlyphsPanel &operator=(GlyphsPanel const &); // no assign
+    GlyphsPanel(GlyphsPanel const &) = delete; // no copy
+    GlyphsPanel &operator=(GlyphsPanel const &) = delete; // no assign
 
     static GlyphColumns *getColumns();
 
diff --git a/src/ui/dialog/grid-arrange-tab.h b/src/ui/dialog/grid-arrange-tab.h
index 93bc38218003842aa61770e2b0f064e8844e2484..cba2af1b4086d61106c0e56cf3474b720d9e4ad6 100644
--- a/src/ui/dialog/grid-arrange-tab.h
+++ b/src/ui/dialog/grid-arrange-tab.h
@@ -65,8 +65,8 @@ public:
 
 
 private:
-    GridArrangeTab(GridArrangeTab const &d); // no copy
-    void operator=(GridArrangeTab const &d); // no assign
+    GridArrangeTab(GridArrangeTab const &d) = delete; // no copy
+    void operator=(GridArrangeTab const &d) = delete; // no assign
 
     ArrangeDialog         *Parent;
 
diff --git a/src/ui/dialog/guides.h b/src/ui/dialog/guides.h
index 25d32015c3ea5ff8ce0f832aa3cedca05cee9f60..fd3fbd74fe336f21302afccb8c7e6a39aab551c0 100644
--- a/src/ui/dialog/guides.h
+++ b/src/ui/dialog/guides.h
@@ -60,8 +60,8 @@ protected:
     void _modeChanged();
 
 private:
-    GuidelinePropertiesDialog(GuidelinePropertiesDialog const &); // no copy
-    GuidelinePropertiesDialog &operator=(GuidelinePropertiesDialog const &); // no assign
+    GuidelinePropertiesDialog(GuidelinePropertiesDialog const &) = delete; // no copy
+    GuidelinePropertiesDialog &operator=(GuidelinePropertiesDialog const &) = delete; // no assign
 
     SPDesktop *_desktop;
     SPGuide *_guide;
diff --git a/src/ui/dialog/icon-preview.h b/src/ui/dialog/icon-preview.h
index caec7e3b59ba74cd1a75c1fa4434f0dce693a513..2ad7e68b40362de6404b5e35023e5bd2ef8e922d 100644
--- a/src/ui/dialog/icon-preview.h
+++ b/src/ui/dialog/icon-preview.h
@@ -53,8 +53,8 @@ public:
     void modeToggled();
 
 private:
-    IconPreviewPanel(IconPreviewPanel const &); // no copy
-    IconPreviewPanel &operator=(IconPreviewPanel const &); // no assign
+    IconPreviewPanel(IconPreviewPanel const &) = delete; // no copy
+    IconPreviewPanel &operator=(IconPreviewPanel const &) = delete; // no assign
 
 
     DesktopTracker deskTrack;
diff --git a/src/ui/dialog/layer-properties.h b/src/ui/dialog/layer-properties.h
index f62f2278278b6be6c57194154c075ea406c011f0..756f7a509eb891d08c41ca87a3b82394c08821eb 100644
--- a/src/ui/dialog/layer-properties.h
+++ b/src/ui/dialog/layer-properties.h
@@ -157,8 +157,8 @@ protected:
     void _handleButtonEvent(GdkEventButton* event);
 
 private:
-    LayerPropertiesDialog(LayerPropertiesDialog const &); // no copy
-    LayerPropertiesDialog &operator=(LayerPropertiesDialog const &); // no assign
+    LayerPropertiesDialog(LayerPropertiesDialog const &) = delete; // no copy
+    LayerPropertiesDialog &operator=(LayerPropertiesDialog const &) = delete; // no assign
 };
 
 } // namespace
diff --git a/src/ui/dialog/layers.h b/src/ui/dialog/layers.h
index 3a580caf958734cd21eadcd4b943094f054f2199..c2058ad48d9f3bb6f29d8361d05ee6e808c5ed4f 100644
--- a/src/ui/dialog/layers.h
+++ b/src/ui/dialog/layers.h
@@ -53,8 +53,8 @@ private:
     class ModelColumns;
     class InternalUIBounce;
 
-    LayersPanel(LayersPanel const &); // no copy
-    LayersPanel &operator=(LayersPanel const &); // no assign
+    LayersPanel(LayersPanel const &) = delete; // no copy
+    LayersPanel &operator=(LayersPanel const &) = delete; // no assign
 
     void _styleButton( Gtk::Button& btn, SPDesktop *desktop, unsigned int code, char const* iconName, char const* fallback );
     void _fireAction( unsigned int code );
diff --git a/src/ui/dialog/livepatheffect-add.h b/src/ui/dialog/livepatheffect-add.h
index c686e8365684a0c47b2054e2c6021b167401d859..90457c9175f384a86356812e3ff30e81287274ad 100644
--- a/src/ui/dialog/livepatheffect-add.h
+++ b/src/ui/dialog/livepatheffect-add.h
@@ -106,8 +106,8 @@ private:
         static LivePathEffectAdd instance_;
         return instance_;
     }
-    LivePathEffectAdd(LivePathEffectAdd const &); // no copy
-    LivePathEffectAdd &operator=(LivePathEffectAdd const &); // no assign
+    LivePathEffectAdd(LivePathEffectAdd const &) = delete; // no copy
+    LivePathEffectAdd &operator=(LivePathEffectAdd const &) = delete; // no assign
 };
  
 } // namespace Dialog
diff --git a/src/ui/dialog/memory.h b/src/ui/dialog/memory.h
index 792391b8973cdc4377d8e460d83db279133ef65d..5ba93977d65c89934330acbcd0e51ac71b1d0259 100644
--- a/src/ui/dialog/memory.h
+++ b/src/ui/dialog/memory.h
@@ -28,8 +28,8 @@ protected:
     void _apply();
 
 private:
-    Memory(Memory const &d); // no copy
-    void operator=(Memory const &d); // no assign
+    Memory(Memory const &d) = delete; // no copy
+    void operator=(Memory const &d) = delete; // no assign
 
     struct Private;
     Private &_private;
diff --git a/src/ui/dialog/messages.h b/src/ui/dialog/messages.h
index 6ed246ece2a5367983de4905933eddd2c7ad0f79..ca2d5dc4eacc6c9b84002cf1ee3d9e787cefe280 100644
--- a/src/ui/dialog/messages.h
+++ b/src/ui/dialog/messages.h
@@ -79,8 +79,8 @@ protected:
     guint handlerGtkmm;
 
 private:
-    Messages(Messages const &d);
-    Messages operator=(Messages const &d);
+    Messages(Messages const &d) = delete;
+    Messages operator=(Messages const &d) = delete;
 };
 
 
diff --git a/src/ui/dialog/panel-dialog.h b/src/ui/dialog/panel-dialog.h
index 60885d81d9eddd3269635cc1d969c607b4323e0d..97bb25154287aa0cb459afd8987a55ebc6b10fec 100644
--- a/src/ui/dialog/panel-dialog.h
+++ b/src/ui/dialog/panel-dialog.h
@@ -87,9 +87,9 @@ public:
 private:
     inline void _presentDialog();
 
-    PanelDialog();
-    PanelDialog(PanelDialog<Behavior> const &d);                      // no copy
-    PanelDialog<Behavior>& operator=(PanelDialog<Behavior> const &d); // no assign
+    PanelDialog() = delete;
+    PanelDialog(PanelDialog<Behavior> const &d) = delete;                      // no copy
+    PanelDialog<Behavior>& operator=(PanelDialog<Behavior> const &d) = delete; // no assign
 };
 
 
@@ -108,10 +108,10 @@ public:
     inline virtual void present();
 
 private:
-    PanelDialog();
-    PanelDialog(PanelDialog<Behavior::FloatingBehavior> const &d); // no copy
+    PanelDialog() = delete;
+    PanelDialog(PanelDialog<Behavior::FloatingBehavior> const &d) = delete; // no copy
     PanelDialog<Behavior::FloatingBehavior>&
-    operator=(PanelDialog<Behavior::FloatingBehavior> const &d);   // no assign
+    operator=(PanelDialog<Behavior::FloatingBehavior> const &d) = delete;   // no assign
 };
 
 
diff --git a/src/ui/dialog/polar-arrange-tab.h b/src/ui/dialog/polar-arrange-tab.h
index 1a4e04eda1ace434e4716b97baba3696260b7b8c..6381f42bc4faa242ee097d0be544574f633f028b 100644
--- a/src/ui/dialog/polar-arrange-tab.h
+++ b/src/ui/dialog/polar-arrange-tab.h
@@ -51,8 +51,8 @@ public:
     void on_arrange_radio_changed();
 
 private:
-    PolarArrangeTab(PolarArrangeTab const &d); // no copy
-    void operator=(PolarArrangeTab const &d); // no assign
+    PolarArrangeTab(PolarArrangeTab const &d) = delete; // no copy
+    void operator=(PolarArrangeTab const &d) = delete; // no assign
 
     ArrangeDialog         *parent;
 
diff --git a/src/ui/dialog/prototype.h b/src/ui/dialog/prototype.h
index 95c3856f8de24a99097858cda071ce5dcfdd8611..3494d8594b83c038bd74f3d82751ff14f3a9f22b 100644
--- a/src/ui/dialog/prototype.h
+++ b/src/ui/dialog/prototype.h
@@ -43,8 +43,8 @@ private:
 
     // No default constructor, noncopyable, nonassignable
     Prototype();
-    Prototype(Prototype const &d);
-    Prototype operator=(Prototype const &d);
+    Prototype(Prototype const &d) = delete;
+    Prototype operator=(Prototype const &d) = delete;
 
     // Signals and handlers
     sigc::connection connectionDocumentReplaced;
diff --git a/src/ui/dialog/styledialog.h b/src/ui/dialog/styledialog.h
index 03932e3cc6daaed0e084fe131c98fa2b5fec3caa..39e3edfd7cec5d25fb9db8b6fd7e991bdf963410 100644
--- a/src/ui/dialog/styledialog.h
+++ b/src/ui/dialog/styledialog.h
@@ -52,8 +52,8 @@ public:
 private:
     // No default constructor, noncopyable, nonassignable
     StyleDialog();
-    StyleDialog(StyleDialog const &d);
-    StyleDialog operator=(StyleDialog const &d);
+    StyleDialog(StyleDialog const &d) = delete;
+    StyleDialog operator=(StyleDialog const &d) = delete;
 
     // Monitor <style> element for changes.
     class NodeObserver;
diff --git a/src/ui/dialog/swatches.cpp b/src/ui/dialog/swatches.cpp
index e57dde63951a2bd1c3f860d63d1bf68bbdb8a6b8..7225f12e067842eaef2dc8ca98f03b7556232fb9 100644
--- a/src/ui/dialog/swatches.cpp
+++ b/src/ui/dialog/swatches.cpp
@@ -1063,8 +1063,8 @@ public:
     sigc::connection defsModified;
 
 private:
-    DocTrack(DocTrack const &); // no copy
-    DocTrack &operator=(DocTrack const &); // no assign
+    DocTrack(DocTrack const &) = delete; // no copy
+    DocTrack &operator=(DocTrack const &) = delete; // no assign
 };
 
 Glib::Timer *DocTrack::timer = 0;
diff --git a/src/ui/dialog/swatches.h b/src/ui/dialog/swatches.h
index cf3f99e8d3ff7ca1b67391fa3f5cc7f982c29360..b3b694a6a5b5b36af8cb38bd0a9ba80f88b1276a 100644
--- a/src/ui/dialog/swatches.h
+++ b/src/ui/dialog/swatches.h
@@ -60,8 +60,8 @@ protected:
     virtual std::vector<SwatchPage*> _getSwatchSets() const;
 
 private:
-    SwatchesPanel(SwatchesPanel const &); // no copy
-    SwatchesPanel &operator=(SwatchesPanel const &); // no assign
+    SwatchesPanel(SwatchesPanel const &) = delete; // no copy
+    SwatchesPanel &operator=(SwatchesPanel const &) = delete; // no assign
 
     void _build_menu();
 
diff --git a/src/ui/dialog/symbols.h b/src/ui/dialog/symbols.h
index 5f341c3b1d0a8cf5424f7f0f140366be7088360a..a9be79a0c658576d9a8db87431a570d59b32bbc1 100644
--- a/src/ui/dialog/symbols.h
+++ b/src/ui/dialog/symbols.h
@@ -61,8 +61,8 @@ public:
     static SymbolsDialog& getInstance();
 
 private:
-    SymbolsDialog(SymbolsDialog const &); // no copy
-    SymbolsDialog &operator=(SymbolsDialog const &); // no assign
+    SymbolsDialog(SymbolsDialog const &) = delete; // no copy
+    SymbolsDialog &operator=(SymbolsDialog const &) = delete; // no assign
 
     static SymbolColumns *getColumns();
 
diff --git a/src/ui/dialog/tags.h b/src/ui/dialog/tags.h
index 84b67c42272cff238aed90a97b851047972dab75..5f72f6f2fe3a33f1db8649a3f65d59c1db2a6afe 100644
--- a/src/ui/dialog/tags.h
+++ b/src/ui/dialog/tags.h
@@ -55,8 +55,8 @@ private:
     class InternalUIBounce;
     class ObjectWatcher;
 
-    TagsPanel(TagsPanel const &); // no copy
-    TagsPanel &operator=(TagsPanel const &); // no assign
+    TagsPanel(TagsPanel const &) = delete; // no copy
+    TagsPanel &operator=(TagsPanel const &) = delete; // no assign
 
     void _styleButton( Gtk::Button& btn, char const* iconName, char const* tooltip );
     void _fireAction( unsigned int code );
diff --git a/src/ui/dialog/text-edit.h b/src/ui/dialog/text-edit.h
index b0ebfe34773f4a21649bbb8b2ec6c46c30d4a87c..8b2f396724c75012fca0cb064ef9e672e240edd4 100644
--- a/src/ui/dialog/text-edit.h
+++ b/src/ui/dialog/text-edit.h
@@ -195,8 +195,8 @@ private:
     const Glib::ustring samplephrase;
 
 
-    TextEdit(TextEdit const &d);
-    TextEdit operator=(TextEdit const &d);
+    TextEdit(TextEdit const &d) = delete;
+    TextEdit operator=(TextEdit const &d) = delete;
 };
 
 
diff --git a/src/ui/dialog/transformation.h b/src/ui/dialog/transformation.h
index 9595e87bcbdea8f3fd4170ffefbd6c8927a9784a..357f4f8f896adde4eeee795e04f78c48ad951a63 100644
--- a/src/ui/dialog/transformation.h
+++ b/src/ui/dialog/transformation.h
@@ -218,12 +218,12 @@ private:
     /**
      * Copy constructor
      */
-    Transformation(Transformation const &d);
+    Transformation(Transformation const &d) = delete;
 
     /**
      * Assignment operator
      */
-    Transformation operator=(Transformation const &d);
+    Transformation operator=(Transformation const &d) = delete;
 
     Gtk::Button *applyButton;
     Gtk::Button *resetButton;
diff --git a/src/ui/dialog/undo-history.h b/src/ui/dialog/undo-history.h
index 3efc25f159e6460176e2fd0769d4260b768f3956..019cff354d7613a69b1bc3e0b597608f417c85af 100644
--- a/src/ui/dialog/undo-history.h
+++ b/src/ui/dialog/undo-history.h
@@ -148,8 +148,8 @@ private:
     UndoHistory();
   
     // no default constructor, noncopyable, nonassignable
-    UndoHistory(UndoHistory const &d);
-    UndoHistory operator=(UndoHistory const &d);
+    UndoHistory(UndoHistory const &d) = delete;
+    UndoHistory operator=(UndoHistory const &d) = delete;
 
     struct GreaterThan : CellRendererInt::Filter {
         GreaterThan(int _i) : i (_i) {}
diff --git a/src/ui/selected-color.h b/src/ui/selected-color.h
index e9e702d43da1da1afa2792cf6d7925aab00242fd..3d5858d3f1649afb03e43efbe36c90ff68762c9a 100644
--- a/src/ui/selected-color.h
+++ b/src/ui/selected-color.h
@@ -51,8 +51,8 @@ public:
     sigc::signal<void> signal_changed;
 private:
     // By default, disallow copy constructor and assignment operator
-    SelectedColor(SelectedColor const &obj);
-    SelectedColor& operator=(SelectedColor const &obj);
+    SelectedColor(SelectedColor const &obj) = delete;
+    SelectedColor& operator=(SelectedColor const &obj) = delete;
 
     SPColor _color;
     /**
diff --git a/src/ui/tool/node.h b/src/ui/tool/node.h
index 2d4eb4a7a149565ac64aa9b511611cd4c0a8c540..231f57b7c680b3697e516356af741142267bd6b3 100644
--- a/src/ui/tool/node.h
+++ b/src/ui/tool/node.h
@@ -233,7 +233,7 @@ protected:
 
 private:
 
-    Node(Node const &);
+    Node(Node const &) = delete;
     void _fixNeighbors(Geom::Point const &old_pos, Geom::Point const &new_pos);
     void _updateAutoHandles();
 
@@ -436,8 +436,8 @@ public:
     static NodeList &get(iterator const &i);
 private:
     // no copy or assign
-    NodeList(NodeList const &);
-    void operator=(NodeList const &);
+    NodeList(NodeList const &) = delete;
+    void operator=(NodeList const &) = delete;
 
     SubpathList &_list;
     bool _closed;
diff --git a/src/ui/tools/tool-base.h b/src/ui/tools/tool-base.h
index 7185b787ee7e190c2950561d81f8a7dc46fa0016..7cb292aa43ab19110b184817e0cba37edc776d91 100644
--- a/src/ui/tools/tool-base.h
+++ b/src/ui/tools/tool-base.h
@@ -227,8 +227,8 @@ protected:
     bool sp_event_context_knot_mouseover() const;
 
 private:
-	ToolBase(const ToolBase&);
-	ToolBase& operator=(const ToolBase&);
+	ToolBase(const ToolBase&) = delete;
+	ToolBase& operator=(const ToolBase&) = delete;
         bool _keyboardMove(GdkEventKey const &event, Geom::Point const &dir);
 
         
diff --git a/src/ui/uxmanager.h b/src/ui/uxmanager.h
index f91bde25e659435905757d0f24e0d8e9520270e3..669d8c5a124e20a9a46bf53136120c11dcf45fb2 100644
--- a/src/ui/uxmanager.h
+++ b/src/ui/uxmanager.h
@@ -41,8 +41,8 @@ protected:
     UXManager();
 
 private:
-    UXManager( UXManager const & );
-    UXManager & operator=( UXManager const & );
+    UXManager( UXManager const & ) = delete;
+    UXManager & operator=( UXManager const & ) = delete;
 };
 
 } // namespace UI
diff --git a/src/ui/widget/color-notebook.h b/src/ui/widget/color-notebook.h
index 0948e3d465a4adf01c373afe3b96baa23fbcfb05..7c43435d3748ec0fdc7a00fa8bebe4c8b87e90ae 100644
--- a/src/ui/widget/color-notebook.h
+++ b/src/ui/widget/color-notebook.h
@@ -70,8 +70,8 @@ protected:
 
 private:
     // By default, disallow copy constructor and assignment operator
-    ColorNotebook(const ColorNotebook &obj);
-    ColorNotebook &operator=(const ColorNotebook &obj);
+    ColorNotebook(const ColorNotebook &obj) = delete;
+    ColorNotebook &operator=(const ColorNotebook &obj) = delete;
 };
 }
 }
diff --git a/src/ui/widget/color-scales.h b/src/ui/widget/color-scales.h
index 1fc465418eb1a817a0b9a744ad3a9bca4322ceb3..5d681cdfb909a74f0183a890aae0009f31124382 100644
--- a/src/ui/widget/color-scales.h
+++ b/src/ui/widget/color-scales.h
@@ -71,8 +71,8 @@ protected:
 
 private:
     // By default, disallow copy constructor and assignment operator
-    ColorScales(ColorScales const &obj);
-    ColorScales &operator=(ColorScales const &obj);
+    ColorScales(ColorScales const &obj) = delete;
+    ColorScales &operator=(ColorScales const &obj) = delete;
 };
 
 class ColorScalesFactory : public Inkscape::UI::ColorSelectorFactory
diff --git a/src/ui/widget/color-wheel-selector.h b/src/ui/widget/color-wheel-selector.h
index ee7bd9b83edb01e82b819ea446bbb51a168a3da8..db9f7746b62f7832887ed40e9739481d308a7c02 100644
--- a/src/ui/widget/color-wheel-selector.h
+++ b/src/ui/widget/color-wheel-selector.h
@@ -59,8 +59,8 @@ protected:
 
 private:
     // By default, disallow copy constructor and assignment operator
-    ColorWheelSelector(const ColorWheelSelector &obj);
-    ColorWheelSelector &operator=(const ColorWheelSelector &obj);
+    ColorWheelSelector(const ColorWheelSelector &obj) = delete;
+    ColorWheelSelector &operator=(const ColorWheelSelector &obj) = delete;
 
     sigc::connection _color_changed_connection;
     sigc::connection _color_dragged_connection;
diff --git a/src/ui/widget/dock-item.h b/src/ui/widget/dock-item.h
index 31cdcf08008d31514f6e4a8ebc9036bfe85c0496..2b69fab45502d779d666e01e9df0ad7fad206f85 100644
--- a/src/ui/widget/dock-item.h
+++ b/src/ui/widget/dock-item.h
@@ -141,7 +141,7 @@ private:
 
     sigc::signal<void, State, State> _signal_state_changed;
 
-    DockItem();
+    DockItem() = delete;
 };
 
 } // namespace Widget
diff --git a/src/ui/widget/spinbutton.h b/src/ui/widget/spinbutton.h
index ae571994b4c22fa863e74750e080029dc60ab754..9c015a3b2405212308014481bd5c9c3fb82f0d67 100644
--- a/src/ui/widget/spinbutton.h
+++ b/src/ui/widget/spinbutton.h
@@ -89,8 +89,8 @@ protected:
 
 private:
   // noncopyable
-  SpinButton(const SpinButton&);
-  SpinButton& operator=(const SpinButton&);
+  SpinButton(const SpinButton&) = delete;
+  SpinButton& operator=(const SpinButton&) = delete;
 };
 
 } // namespace Widget
diff --git a/src/util/signal-blocker.h b/src/util/signal-blocker.h
index 06d9736f2705f789f25c5fa14872d0dd494e39e7..9d1f3153adf538d1071cf54f4d06b046f7bab9e7 100644
--- a/src/util/signal-blocker.h
+++ b/src/util/signal-blocker.h
@@ -49,8 +49,8 @@ public:
 
 private:
     // noncopyable, nonassignable
-    SignalBlocker(SignalBlocker const &other);
-    SignalBlocker& operator=(SignalBlocker const &other);
+    SignalBlocker(SignalBlocker const &other) = delete;
+    SignalBlocker& operator=(SignalBlocker const &other) = delete;
     
     sigc::connection *_connection;
     bool _wasBlocked;
diff --git a/src/widgets/sp-color-selector.h b/src/widgets/sp-color-selector.h
index 14a9fccdf6434ec7d455c592475c3ce5c1987f27..f5c1942492886645d43413543ba99e75dfbd9d3d 100644
--- a/src/widgets/sp-color-selector.h
+++ b/src/widgets/sp-color-selector.h
@@ -46,8 +46,8 @@ protected:
 
 private:
     // By default, disallow copy constructor and assignment operator
-    ColorSelector( const ColorSelector& obj );
-    ColorSelector& operator=( const ColorSelector& obj );
+    ColorSelector( const ColorSelector& obj ) = delete;
+    ColorSelector& operator=( const ColorSelector& obj ) = delete;
 
     gboolean _held;
 
diff --git a/src/widgets/toolbox.h b/src/widgets/toolbox.h
index ab1dcdfbd39dd88e9cc7d594db5695c292ccec7a..a61130d33c3e2bec66c485ae93b871fd34a6aca3 100644
--- a/src/widgets/toolbox.h
+++ b/src/widgets/toolbox.h
@@ -63,7 +63,7 @@ public:
     static GtkIconSize prefToSize(Glib::ustring const &path, int base = 0 );
 
 private:
-    ToolboxFactory();
+    ToolboxFactory() = delete;
 };
 
 /**