diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index a5a2341..7b2d590 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -732,7 +732,7 @@
                                     bool& out) REQUIRES(kMainThreadContext);
     bool updateLayerSnapshots(VsyncId vsyncId, nsecs_t frameTimeNs, bool transactionsFlushed,
                               bool& out) REQUIRES(kMainThreadContext);
-    void updateLayerHistory(const frontend::LayerSnapshot& snapshot);
+    void updateLayerHistory(nsecs_t now);
     frontend::Update flushLifecycleUpdates() REQUIRES(kMainThreadContext);
 
     void updateInputFlinger(VsyncId vsyncId, TimePoint frameTime);