src/macosx/classes/sun/lwawt/LWRepaintArea.java

@@ -37,16 +37,12 @@
 final class LWRepaintArea extends RepaintArea {
 
     @Override
     protected void updateComponent(final Component comp, final Graphics g) {
         if (comp != null) {
-            final LWComponentPeer peer = (LWComponentPeer) comp.getPeer();
-            if (peer != null) {
-                peer.paintPeer(g);
-            }
             super.updateComponent(comp, g);
-            flushBuffers(peer);
+            flushBuffers((LWComponentPeer) comp.getPeer());
         }
     }
 
     @Override
     protected void paintComponent(final Component comp, final Graphics g) {