diff --git a/include/private/ui/SharedBufferStack.h b/include/private/ui/SharedBufferStack.h
index f6824d9..bbc1822 100644
--- a/include/private/ui/SharedBufferStack.h
+++ b/include/private/ui/SharedBufferStack.h
@@ -289,6 +289,7 @@
     void setStatus(status_t status);
     status_t reallocate();
     status_t assertReallocate(int buffer);
+    int32_t getQueuedCount() const;
     
     Region getDirtyRegion(int buffer) const;
 
diff --git a/include/private/ui/SurfaceFlingerSynchro.h b/include/private/ui/SurfaceFlingerSynchro.h
deleted file mode 100644
index 7386d33..0000000
--- a/include/private/ui/SurfaceFlingerSynchro.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-#ifndef ANDROID_SURFACE_FLINGER_SYNCHRO_H
-#define ANDROID_SURFACE_FLINGER_SYNCHRO_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Errors.h>
-#include <ui/ISurfaceComposer.h>
-
-namespace android {
-
-class SurfaceFlinger;
-
-class SurfaceFlingerSynchro
-{
-public:
-                // client constructor
-                SurfaceFlingerSynchro(const sp<ISurfaceComposer>& flinger);
-                ~SurfaceFlingerSynchro();
-    
-                // signal surfaceflinger for some work
-    status_t    signal();
-    
-private:
-    friend class SurfaceFlinger;
-    sp<ISurfaceComposer> mSurfaceComposer;
-};
-
-}; // namespace android
-
-#endif // ANDROID_SURFACE_FLINGER_SYNCHRO_H
-