diff --git a/services/surfaceflinger/SurfaceFlingerConsumer.h b/services/surfaceflinger/SurfaceFlingerConsumer.h
index 22eec81..d774c33 100644
--- a/services/surfaceflinger/SurfaceFlingerConsumer.h
+++ b/services/surfaceflinger/SurfaceFlingerConsumer.h
@@ -51,6 +51,9 @@
 
     // See GLConsumer::bindTextureImageLocked().
     status_t bindTextureImage();
+
+private:
+    nsecs_t computeExpectedPresent();
 };
 
 // ----------------------------------------------------------------------------