diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 057669b..1acb2da 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -5505,6 +5505,16 @@
     return nullptr;
 }
 
+void SurfaceFlinger::onLayerCreated(Layer* layer) {
+    mNumLayers++;
+    mScheduler->registerLayer(layer);
+}
+
+void SurfaceFlinger::onLayerDestroyed(Layer* layer) {
+    mNumLayers--;
+    mOffscreenLayers.erase(layer);
+}
+
 void SurfaceFlinger::bufferErased(const client_cache_t& clientCacheId) {
     getRenderEngine().unbindExternalTextureBuffer(clientCacheId.id);
 }