diff --git a/include/private/surfaceflinger/SharedBufferStack.h b/include/private/surfaceflinger/SharedBufferStack.h
index d016dfa..d689667 100644
--- a/include/private/surfaceflinger/SharedBufferStack.h
+++ b/include/private/surfaceflinger/SharedBufferStack.h
@@ -151,7 +151,6 @@
     ~SharedBufferBase();
     status_t getStatus() const;
     int32_t getIdentity() const;
-    size_t getFrontBuffer() const;
     String8 dump(char const* prefix) const;
 
 protected:
@@ -226,6 +225,11 @@
         inline ssize_t operator()();
     };
 
+    struct DequeueUpdate : public UpdateBase {
+        inline DequeueUpdate(SharedBufferBase* sbb);
+        inline ssize_t operator()();
+    };
+
     struct UndoDequeueUpdate : public UpdateBase {
         inline UndoDequeueUpdate(SharedBufferBase* sbb);
         inline ssize_t operator()();