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

*** 95,115 ****
       * Revalidates the window's current SurfaceData and returns
       * the newly created one.
       */
      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();
  
      public void toBack();
--- 95,104 ----