diff --git a/src/java/org/apache/cassandra/utils/btree/UpdateFunction.java b/src/java/org/apache/cassandra/utils/btree/UpdateFunction.java
index 355028e091..9f450317a5 100644
--- a/src/java/org/apache/cassandra/utils/btree/UpdateFunction.java
+++ b/src/java/org/apache/cassandra/utils/btree/UpdateFunction.java
@@ -52,6 +52,10 @@ public interface UpdateFunction<V> extends Function<V, V>
         {
             return INSTANCE;
         }
+        
+        private NoOp()
+        {
+        }
 
         public V apply(V replacing, V update)
         {