diff --git a/core/api/src/main/java/org/onosproject/ui/model/topo/UiTopology.java b/core/api/src/main/java/org/onosproject/ui/model/topo/UiTopology.java
index 58e1b13..8c8740b 100644
--- a/core/api/src/main/java/org/onosproject/ui/model/topo/UiTopology.java
+++ b/core/api/src/main/java/org/onosproject/ui/model/topo/UiTopology.java
@@ -271,6 +271,7 @@
      */
     public void remove(UiDevice uiDevice) {
         UiDevice d = deviceLookup.remove(uiDevice.id());
+        // TODO: Update the containing region
         if (d != null) {
             d.destroy();
         }