diff --git a/src/main/java/org/opencord/aaa/AaaManager.java b/src/main/java/org/opencord/aaa/AaaManager.java
index 1df4574..ebe356c 100755
--- a/src/main/java/org/opencord/aaa/AaaManager.java
+++ b/src/main/java/org/opencord/aaa/AaaManager.java
@@ -238,7 +238,7 @@
         packetService.removeProcessor(processor);
         processor = null;
         StateMachine.destroyMaps();
-
+        netCfgService.removeListener(cfgListener);
         impl.deactivate();
 
         log.info("Stopped");