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 a12308d..4335983 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
@@ -38,6 +38,10 @@
     }
 
     @Override
+    public void purgeFlowRules(DeviceId deviceId){
+    }
+
+    @Override
     public void removeFlowRules(FlowRule... flowRules) {
     }