diff --git a/src/jmapNew/painter.js b/src/jmapNew/painter.js
index 9ffd9be90..d20eacd1f 100644
--- a/src/jmapNew/painter.js
+++ b/src/jmapNew/painter.js
@@ -96,7 +96,7 @@ class Painter {
         const instance = device.instance;
         if (instance) {
             this.mapInstanceLevel[device._type].remove(instance);
-            // device.instance = null;
+            device.instance = null;
         }
     }