diff --git a/src/Mod/TechDraw/App/DrawLeaderLine.h b/src/Mod/TechDraw/App/DrawLeaderLine.h
index 4ebbcb6f15..20e9deaafd 100644
--- a/src/Mod/TechDraw/App/DrawLeaderLine.h
+++ b/src/Mod/TechDraw/App/DrawLeaderLine.h
@@ -64,7 +64,7 @@ public:
     DrawView* getBaseView(void) const;
     virtual App::DocumentObject* getBaseObject(void) const;
     bool keepUpdated(void);
-    double getScale(void) const;
+    double getScale(void) const override;
     void adjustLastSegment(void);
     bool getDefAuto(void) const;
 
diff --git a/src/Mod/TechDraw/Gui/QGEPath.h b/src/Mod/TechDraw/Gui/QGEPath.h
index 6c635bd339..cb36fa52ba 100644
--- a/src/Mod/TechDraw/Gui/QGEPath.h
+++ b/src/Mod/TechDraw/Gui/QGEPath.h
@@ -54,7 +54,7 @@ public:
 
     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
     virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
-    virtual void keyPressEvent(QKeyEvent * event);
+    virtual void keyPressEvent(QKeyEvent * event) override;
 
     virtual void setRadius(float r) override;
 
diff --git a/src/Mod/TechDraw/Gui/QGILeaderLine.h b/src/Mod/TechDraw/Gui/QGILeaderLine.h
index 08d86efc18..4c2d2546aa 100644
--- a/src/Mod/TechDraw/Gui/QGILeaderLine.h
+++ b/src/Mod/TechDraw/Gui/QGILeaderLine.h
@@ -96,7 +96,7 @@ protected:
     Base::Vector3d m_attachPoint;
 
 protected:
-    QColor getNormalColor();
+    QColor getNormalColor() override;
 
     QGraphicsItem* m_parentItem;
     QGEPath* m_line;
diff --git a/src/Mod/TechDraw/Gui/QGMText.h b/src/Mod/TechDraw/Gui/QGMText.h
index 5c4fb5bbc0..20d5b27154 100644
--- a/src/Mod/TechDraw/Gui/QGMText.h
+++ b/src/Mod/TechDraw/Gui/QGMText.h
@@ -50,7 +50,7 @@ public:
     ~QGMText() {}
 
     enum {Type = QGraphicsItem::UserType + 300};
-    int type() const { return Type;}
+    int type() const override { return Type;}
     virtual void paint( QPainter * painter,
                         const QStyleOptionGraphicsItem * option,
                         QWidget * widget = 0 ) override;