diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index d3f0ece..b1bfb3a 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -601,7 +601,7 @@
     // called when all clients have released all their references to
     // this layer meaning it is entirely safe to destroy all
     // resources associated to this layer.
-    void onHandleDestroyed(const sp<Layer>& layer);
+    void onHandleDestroyed(sp<Layer>& layer);
 
     // remove a layer from SurfaceFlinger immediately
     status_t removeLayer(const sp<Layer>& layer);