--- old/src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java	2012-11-16 16:20:27.875424400 +0400
+++ new/src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java	2012-11-16 16:20:27.750624200 +0400
@@ -25,7 +25,6 @@
 
 package sun.lwawt.macosx;
 
-import java.awt.BufferCapabilities.FlipContents;
 import java.awt.*;
 import java.awt.Dialog.ModalityType;
 import java.awt.event.*;
@@ -402,11 +401,6 @@
     }
 
     @Override // PlatformWindow
-    public Image createBackBuffer() {
-        return contentView.createBackBuffer();
-    }
-
-    @Override // PlatformWindow
     public void dispose() {
         if (owner != null) {
             CWrapper.NSWindow.removeChildWindow(owner.getNSWindowPtr(), getNSWindowPtr());
@@ -417,12 +411,6 @@
     }
 
     @Override // PlatformWindow
-    public void flip(int x1, int y1, int x2, int y2, FlipContents flipAction) {
-        // TODO: not implemented
-        (new RuntimeException("unimplemented")).printStackTrace();
-    }
-
-    @Override // PlatformWindow
     public FontMetrics getFontMetrics(Font f) {
         // TODO: not implemented
         (new RuntimeException("unimplemented")).printStackTrace();