diff --git a/core/api/src/main/java/org/onosproject/cluster/ControllerNode.java b/core/api/src/main/java/org/onosproject/cluster/ControllerNode.java
index 3cfc936..2f74ae6 100644
--- a/core/api/src/main/java/org/onosproject/cluster/ControllerNode.java
+++ b/core/api/src/main/java/org/onosproject/cluster/ControllerNode.java
@@ -23,7 +23,7 @@
 public interface ControllerNode {
 
     /** Represents the operational state of the instance. */
-    public enum State {
+    enum State {
         /**
          * Signifies that the instance is active and operating normally.
          */