--- a/layout/base/nsDisplayList.cpp
+++ b/layout/base/nsDisplayList.cpp
@@ -4413,22 +4413,16 @@ void nsDisplayZoom::HitTest(nsDisplayLis
     rect.MoveTo(aRect.TopLeft().ConvertAppUnits(mParentAPD, mAPD));
     rect.width = rect.height = 1;
   } else {
     rect = aRect.ConvertAppUnitsRoundOut(mParentAPD, mAPD);
   }
   mList.HitTest(aBuilder, rect, aState, aOutFrames);
 }
 
-void nsDisplayZoom::Paint(nsDisplayListBuilder* aBuilder,
-                          nsRenderingContext* aCtx)
-{
-  mList.PaintForFrame(aBuilder, aCtx, mFrame, nsDisplayList::PAINT_DEFAULT);
-}
-
 bool nsDisplayZoom::ComputeVisibility(nsDisplayListBuilder *aBuilder,
                                       nsRegion *aVisibleRegion)
 {
   // Convert the passed in visible region to our appunits.
   nsRegion visibleRegion;
   // mVisibleRect has been clipped to GetClippedBounds
   visibleRegion.And(*aVisibleRegion, mVisibleRect);
   visibleRegion = visibleRegion.ConvertAppUnitsRoundOut(mParentAPD, mAPD);

--- a/layout/base/nsDisplayList.h
+++ b/layout/base/nsDisplayList.h
@@ -3175,17 +3175,16 @@ public:
                 nsDisplayList* aList,
                 int32_t aAPD, int32_t aParentAPD,
                 uint32_t aFlags = 0);
 #ifdef NS_BUILD_REFCNT_LOGGING
   virtual ~nsDisplayZoom();
 #endif
   
   virtual nsRect GetBounds(nsDisplayListBuilder* aBuilder, bool* aSnap) MOZ_OVERRIDE;
-  virtual void Paint(nsDisplayListBuilder* aBuilder, nsRenderingContext* aCtx) MOZ_OVERRIDE;
   virtual void HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
                        HitTestState* aState, nsTArray<nsIFrame*> *aOutFrames) MOZ_OVERRIDE;
   virtual bool ComputeVisibility(nsDisplayListBuilder* aBuilder,
                                  nsRegion* aVisibleRegion) MOZ_OVERRIDE;
   virtual LayerState GetLayerState(nsDisplayListBuilder* aBuilder,
                                    LayerManager* aManager,
                                    const ContainerLayerParameters& aParameters) MOZ_OVERRIDE
   {