diff --git a/effects.h b/effects.h
index 65271f753e..6c14b8351f 100644
--- a/effects.h
+++ b/effects.h
@@ -74,22 +74,22 @@ class EffectsHandlerImpl : public EffectsHandler
         virtual unsigned long xrenderBufferPicture();
 
         // internal (used by kwin core or compositing code)
-        virtual void startPaint();
-        virtual void windowUserMovedResized( EffectWindow* c, bool first, bool last );
-        virtual void windowOpacityChanged( EffectWindow* c, double old_opacity );
-        virtual void windowAdded( EffectWindow* c );
-        virtual void windowClosed( EffectWindow* c );
-        virtual void windowDeleted( EffectWindow* c );
-        virtual void windowActivated( EffectWindow* c );
-        virtual void windowMinimized( EffectWindow* c );
-        virtual void windowUnminimized( EffectWindow* c );
-        virtual void desktopChanged( int old );
-        virtual void windowDamaged( EffectWindow* w, const QRect& r );
-        virtual void windowGeometryShapeChanged( EffectWindow* w, const QRect& old );
-        virtual void tabBoxAdded( int mode );
-        virtual void tabBoxClosed();
-        virtual void tabBoxUpdated();
-        virtual bool borderActivated( ElectricBorder border );
+        void startPaint();
+        void windowUserMovedResized( EffectWindow* c, bool first, bool last );
+        void windowOpacityChanged( EffectWindow* c, double old_opacity );
+        void windowAdded( EffectWindow* c );
+        void windowClosed( EffectWindow* c );
+        void windowDeleted( EffectWindow* c );
+        void windowActivated( EffectWindow* c );
+        void windowMinimized( EffectWindow* c );
+        void windowUnminimized( EffectWindow* c );
+        void desktopChanged( int old );
+        void windowDamaged( EffectWindow* w, const QRect& r );
+        void windowGeometryShapeChanged( EffectWindow* w, const QRect& old );
+        void tabBoxAdded( int mode );
+        void tabBoxClosed();
+        void tabBoxUpdated();
+        bool borderActivated( ElectricBorder border );
 
         void loadEffect( const QString& name );
         void unloadEffect( const QString& name );