diff --git a/core/api/src/test/java/org/onosproject/net/flow/FlowRuleServiceAdapter.java b/core/api/src/test/java/org/onosproject/net/flow/FlowRuleServiceAdapter.java
index 8f54e85..393f3cf 100644
--- a/core/api/src/test/java/org/onosproject/net/flow/FlowRuleServiceAdapter.java
+++ b/core/api/src/test/java/org/onosproject/net/flow/FlowRuleServiceAdapter.java
@@ -66,6 +66,11 @@
     }
 
     @Override
+    public void apply(FlowRuleOperations ops) {
+
+    }
+
+    @Override
     public void addListener(FlowRuleListener listener) {
 
     }