diff --git a/apps/newoptical/src/test/java/org/onosproject/newoptical/PacketLinkRealizedByOpticalTest.java b/apps/newoptical/src/test/java/org/onosproject/newoptical/PacketLinkRealizedByOpticalTest.java
index 4252edd..610d2bd 100644
--- a/apps/newoptical/src/test/java/org/onosproject/newoptical/PacketLinkRealizedByOpticalTest.java
+++ b/apps/newoptical/src/test/java/org/onosproject/newoptical/PacketLinkRealizedByOpticalTest.java
@@ -54,6 +54,7 @@
             }
         };
 
+        Intent.unbindIdGenerator(idGenerator);
         Intent.bindIdGenerator(idGenerator);
     }