diff --git a/effects/slidingpopups/slidingpopups.h b/effects/slidingpopups/slidingpopups.h
--- a/effects/slidingpopups/slidingpopups.h
+++ b/effects/slidingpopups/slidingpopups.h
@@ -36,7 +36,7 @@
 public:
     SlidingPopupsEffect();
     ~SlidingPopupsEffect();
-    virtual void prePaintScreen(ScreenPrePaintData& data, int time);
+
     virtual void prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time);
     virtual void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data);
     virtual void postPaintWindow(EffectWindow* w);
diff --git a/effects/slidingpopups/slidingpopups.cpp b/effects/slidingpopups/slidingpopups.cpp
--- a/effects/slidingpopups/slidingpopups.cpp
+++ b/effects/slidingpopups/slidingpopups.cpp
@@ -91,11 +91,6 @@
     }
 }
 
-void SlidingPopupsEffect::prePaintScreen(ScreenPrePaintData& data, int time)
-{
-    effects->prePaintScreen(data, time);
-}
-
 void SlidingPopupsEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
 {
     const std::chrono::milliseconds delta(time);