diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java
index 86b44cf..d305e08 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java
@@ -38,7 +38,8 @@
     private ExtensionTreatmentType type;
 
     private final KryoNamespace appKryo = new KryoNamespace.Builder()
-            .register(byte[].class).register(Integer.class).register(Map.class)
+            .register(byte[].class)
+            .register(Map.class)
             .build("DefaultMoveExtensionTreatment");
 
     /**