diff --git a/src/App/GroupExtension.h b/src/App/GroupExtension.h
index 9e0a2409ae..772f8e5592 100644
--- a/src/App/GroupExtension.h
+++ b/src/App/GroupExtension.h
@@ -106,7 +106,7 @@ public:
     static DocumentObject* getGroupOfObject(const DocumentObject* obj);
     //@}
     
-    virtual PyObject* getExtensionPyObject(void);
+    virtual PyObject* getExtensionPyObject(void) override;
 
     virtual void extensionOnChanged(const Property* p) override;
     
diff --git a/src/Gui/TextDocumentEditorView.h b/src/Gui/TextDocumentEditorView.h
index 34d116b5af..c1d2db217b 100644
--- a/src/Gui/TextDocumentEditorView.h
+++ b/src/Gui/TextDocumentEditorView.h
@@ -44,12 +44,12 @@ public:
             App::TextDocument* textDocument,
             QPlainTextEdit* editor, QWidget* parent);
     ~TextDocumentEditorView();
-    const char *getName() const { return "TextDocumentEditorView"; }
-    bool onMsg(const char* msg, const char**);
-    bool onHasMsg(const char* msg) const;
+    const char *getName() const override { return "TextDocumentEditorView"; }
+    bool onMsg(const char* msg, const char**) override;
+    bool onHasMsg(const char* msg) const override;
     bool canClose() override;
 
-    bool event(QEvent *event);
+    bool event(QEvent *event) override;
 
     QPlainTextEdit* getEditor() const { return editor; }
     App::TextDocument* getTextObject() const { return textDocument; }
diff --git a/src/Mod/TechDraw/App/DrawView.h b/src/Mod/TechDraw/App/DrawView.h
index 4187cae85b..8887ab76c9 100644
--- a/src/Mod/TechDraw/App/DrawView.h
+++ b/src/Mod/TechDraw/App/DrawView.h
@@ -62,7 +62,7 @@ public:
     /// recalculate the Feature
     virtual App::DocumentObjectExecReturn *execute(void);
     virtual void onDocumentRestored();
-    virtual short mustExecute() const;
+    virtual short mustExecute() const override;
     //@}
     void Restore(Base::XMLReader &reader);
 
@@ -73,14 +73,14 @@ public:
         return "TechDrawGui::ViewProviderDrawingView";
     }
     //return PyObject as DrawViewPy
-    virtual PyObject *getPyObject(void);
+    virtual PyObject *getPyObject(void) override;
 
     DrawPage* findParentPage() const;
-    bool allowAutoPos() {return autoPos;};                //sb in DPGI??
-    void setAutoPos(bool state) {autoPos = state;};       //autopos is obsolete
-    bool isMouseMove() {return mouseMove;};
-    void setMouseMove(bool state) {mouseMove = state;};
-    virtual QRectF getRect() const;                       //must be overridden by derived class
+    bool allowAutoPos() {return autoPos;}                //sb in DPGI??
+    void setAutoPos(bool state) {autoPos = state;}       //autopos is obsolete
+    bool isMouseMove() {return mouseMove;}
+    void setMouseMove(bool state) {mouseMove = state;}
+    virtual QRectF getRect() const;                      //must be overridden by derived class
     virtual double autoScale(double w, double h) const;
     virtual bool checkFit(DrawPage*) const;
     virtual void setPosition(double x, double y);
diff --git a/src/Mod/TechDraw/App/DrawViewSymbol.h b/src/Mod/TechDraw/App/DrawViewSymbol.h
index efbd26c49f..125104cac9 100644
--- a/src/Mod/TechDraw/App/DrawViewSymbol.h
+++ b/src/Mod/TechDraw/App/DrawViewSymbol.h
@@ -61,9 +61,9 @@ public:
     virtual bool checkFit(TechDraw::DrawPage* p) const override;
 
     //return PyObject as DrawViewSymbolPy
-    virtual PyObject *getPyObject(void);
+    virtual PyObject *getPyObject(void) override;
 
-    virtual short mustExecute() const;
+    virtual short mustExecute() const override;
 
 
 protected: