diff --git a/core/api/src/test/java/org/onosproject/net/device/DeviceServiceAdapter.java b/core/api/src/test/java/org/onosproject/net/device/DeviceServiceAdapter.java
index 9ffa2bd..bc9411d 100644
--- a/core/api/src/test/java/org/onosproject/net/device/DeviceServiceAdapter.java
+++ b/core/api/src/test/java/org/onosproject/net/device/DeviceServiceAdapter.java
@@ -92,6 +92,16 @@
     }
 
     @Override
+    public PortStatistics getStatisticsForPort(DeviceId deviceId, PortNumber portNumber) {
+        return null;
+    }
+
+    @Override
+    public PortStatistics getDeltaStatisticsForPort(DeviceId deviceId, PortNumber portNumber) {
+        return null;
+    }
+
+    @Override
     public Port getPort(DeviceId deviceId, PortNumber portNumber) {
         return null;
     }