diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index b353a48..0d297b9 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -736,6 +736,8 @@
     void updateCursorAsync();
 
     void initScheduler(const sp<const DisplayDevice>&) REQUIRES(kMainThreadContext, mStateLock);
+
+    void resetPhaseConfiguration(Fps) REQUIRES(mStateLock, kMainThreadContext);
     void updatePhaseConfiguration(Fps) REQUIRES(mStateLock);
 
     /*
@@ -1120,9 +1122,6 @@
                                                std::chrono::nanoseconds presentLatency);
     int getMaxAcquiredBufferCountForRefreshRate(Fps refreshRate) const;
 
-    void updateActiveDisplayVsyncLocked(const DisplayDevice& activeDisplay)
-            REQUIRES(mStateLock, kMainThreadContext);
-
     bool isHdrLayer(const frontend::LayerSnapshot& snapshot) const;
 
     ui::Rotation getPhysicalDisplayOrientation(DisplayId, bool isPrimary) const