diff --git a/include/surfaceflinger/IGraphicBufferAlloc.h b/include/surfaceflinger/IGraphicBufferAlloc.h
index d996af7..01e4bd9 100644
--- a/include/surfaceflinger/IGraphicBufferAlloc.h
+++ b/include/surfaceflinger/IGraphicBufferAlloc.h
@@ -32,18 +32,10 @@
 public:
     DECLARE_META_INTERFACE(GraphicBufferAlloc);
 
-    /* Create a new GraphicBuffer for the client to use.  The server will
-     * maintain a reference to the newly created GraphicBuffer until
-     * freeAllGraphicBuffers is called.
+    /* Create a new GraphicBuffer for the client to use.
      */
     virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
             PixelFormat format, uint32_t usage) = 0;
-
-    /* Free all but one of the GraphicBuffer objects that the server is
-     * currently referencing. If bufIndex is not a valid index of the buffers
-     * the server is referencing, then all buffers are freed.
-     */
-    virtual void freeAllGraphicBuffersExcept(int bufIndex) = 0;
 };
 
 // ----------------------------------------------------------------------------