diff --git a/include/gui/BufferQueueConsumer.h b/include/gui/BufferQueueConsumer.h
index 0f42613..cde302f 100644
--- a/include/gui/BufferQueueConsumer.h
+++ b/include/gui/BufferQueueConsumer.h
@@ -47,7 +47,7 @@
     // returned.  The presentation time is in nanoseconds, and the time base
     // is CLOCK_MONOTONIC.
     virtual status_t acquireBuffer(BufferItem* outBuffer,
-            nsecs_t expectedPresent);
+            nsecs_t expectedPresent, uint64_t maxFrameNumber = 0) override;
 
     // See IGraphicBufferConsumer::detachBuffer
     virtual status_t detachBuffer(int slot);
@@ -148,9 +148,6 @@
     // Retrieve the sideband buffer stream, if any.
     virtual sp<NativeHandle> getSidebandStream() const;
 
-    // See IGraphicBufferConsumer::setShadowQueueSize
-    virtual void setShadowQueueSize(size_t size);
-
     // dump our state in a String
     virtual void dump(String8& result, const char* prefix) const;