diff --git a/core/store/dist/src/main/java/org/onosproject/store/region/impl/DistributedRegionStore.java b/core/store/dist/src/main/java/org/onosproject/store/region/impl/DistributedRegionStore.java
index ecce772..6d70376 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/region/impl/DistributedRegionStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/region/impl/DistributedRegionStore.java
@@ -90,11 +90,7 @@
     protected void activate() {
         Serializer serializer =
                 Serializer.using(Arrays.asList(KryoNamespaces.API),
-                                 Identifier.class,
-                                 RegionId.class,
-                                 Region.class,
-                                 DefaultRegion.class,
-                                 Region.Type.class);
+                                 Identifier.class);
 
         regionsRepo = storageService.<RegionId, Region>consistentMapBuilder()
                 .withSerializer(serializer)