diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 6438bee..4831d9d 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -428,9 +428,7 @@
      * Feature prototyping
      */
 
-    EGLSurface getExternalDisplaySurface() const;
-    sp<SurfaceTextureClient> mExternalDisplayNativeWindow;
-    EGLSurface mExternalDisplaySurface;
+    sp<IBinder> mExtDisplayToken;
 };
 
 // ---------------------------------------------------------------------------