diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/ReplicaInfoManager.java b/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/ReplicaInfoManager.java
index 0d4cd08..dcbdb4a 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/ReplicaInfoManager.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/ReplicaInfoManager.java
@@ -1,5 +1,6 @@
 package org.onlab.onos.store.flow.impl;
 
+import static com.google.common.base.Preconditions.checkNotNull;
 import static org.slf4j.LoggerFactory.getLogger;
 import static org.onlab.onos.store.flow.ReplicaInfoEvent.Type.MASTER_CHANGED;
 
@@ -66,6 +67,16 @@
                                Collections.<NodeId>emptyList());
     }
 
+    @Override
+    public void addListener(ReplicaInfoEventListener listener) {
+        listenerRegistry.addListener(checkNotNull(listener));
+    }
+
+    @Override
+    public void removeListener(ReplicaInfoEventListener listener) {
+        listenerRegistry.removeListener(checkNotNull(listener));
+    }
+
     final class InternalMastershipListener implements MastershipListener {
 
         @Override