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 c7b7879..56e5911 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
@@ -35,17 +35,14 @@
 
     @Override
     public void applyFlowRules(FlowRule... flowRules) {
-
     }
 
     @Override
     public void removeFlowRules(FlowRule... flowRules) {
-
     }
 
     @Override
     public void removeFlowRulesById(ApplicationId appId) {
-
     }
 
     @Override
@@ -60,16 +57,18 @@
 
     @Override
     public void apply(FlowRuleOperations ops) {
-
     }
 
     @Override
     public void addListener(FlowRuleListener listener) {
-
     }
 
     @Override
     public void removeListener(FlowRuleListener listener) {
+    }
 
+    @Override
+    public Iterable<TableStatisticsEntry> getFlowTableStatistics(DeviceId deviceId) {
+        return null;
     }
 }