diff --git a/apps/newoptical/src/test/java/org/onosproject/newoptical/OpticalConnectivityTest.java b/apps/newoptical/src/test/java/org/onosproject/newoptical/OpticalConnectivityTest.java
index 4f122e1..7d26dcd 100644
--- a/apps/newoptical/src/test/java/org/onosproject/newoptical/OpticalConnectivityTest.java
+++ b/apps/newoptical/src/test/java/org/onosproject/newoptical/OpticalConnectivityTest.java
@@ -72,6 +72,7 @@
             }
         };
 
+        Intent.unbindIdGenerator(idGenerator);
         Intent.bindIdGenerator(idGenerator);
     }