--- old/src/macosx/classes/sun/lwawt/PlatformWindow.java	2012-11-16 16:20:23.039415900 +0400
+++ new/src/macosx/classes/sun/lwawt/PlatformWindow.java	2012-11-16 16:20:22.899015600 +0400
@@ -97,17 +97,6 @@
      */
     public SurfaceData replaceSurfaceData();
 
-    /*
-     * Creates a new image to serve as a back buffer.
-     */
-    public Image createBackBuffer();
-
-    /*
-     * Move the given part of the back buffer to the front buffer.
-     */
-    public void flip(int x1, int y1, int x2, int y2,
-                     BufferCapabilities.FlipContents flipAction);
-
     public void setModalBlocked(boolean blocked);
 
     public void toFront();