diff --git a/panda/src/display/graphicsEngine.cxx b/panda/src/display/graphicsEngine.cxx
index b3f931e44b..e47597872e 100644
--- a/panda/src/display/graphicsEngine.cxx
+++ b/panda/src/display/graphicsEngine.cxx
@@ -445,8 +445,7 @@ make_output(GraphicsPipe *pipe,
       }
 
       // No good; delete the window and keep trying.
-      bool removed = remove_window(window);
-      nassertr(removed, NULL);
+      remove_window(window);
     }
   }