diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 4d17fa7..175209f 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1134,7 +1134,7 @@
     ui::Rotation getPhysicalDisplayOrientation(DisplayId, bool isPrimary) const
             REQUIRES(mStateLock);
     void traverseLegacyLayers(const LayerVector::Visitor& visitor) const;
-
+    void initTransactionTraceWriter();
     sp<StartPropertySetThread> mStartPropertySetThread;
     surfaceflinger::Factory& mFactory;
     pid_t mPid;