--- a/gfx/layers/basic/BasicCanvasLayer.cpp
+++ b/gfx/layers/basic/BasicCanvasLayer.cpp
@@ -411,18 +411,16 @@ BasicShadowableCanvasLayer::Paint(gfxCon
       handle = mGLContext->CreateSharedHandle(flags);
       if (handle) {
         mBackBuffer = SharedTextureDescriptor(flags, handle, mBounds.Size(), false);
       }
     }
     if (handle) {
       mGLContext->MakeCurrent();
       mGLContext->UpdateSharedHandle(flags, handle);
-      // call Painted() to reset our dirty 'bit'
-      Painted();
       FireDidTransactionCallback();
       BasicManager()->PaintedCanvas(BasicManager()->Hold(this),
                                     mNeedsYFlip,
                                     mBackBuffer);
       // Move SharedTextureHandle ownership to ShadowLayer
       mBackBuffer = SurfaceDescriptor();
       return;
     }