diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 8ca9982..bf5f138 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -631,6 +631,7 @@
     void onComposerHalVsyncPeriodTimingChanged(hal::HWDisplayId,
                                                const hal::VsyncPeriodChangeTimeline&) override;
     void onComposerHalSeamlessPossible(hal::HWDisplayId) override;
+    void onComposerHalVsyncIdle(hal::HWDisplayId) override;
 
     // ICompositor overrides: