diff --git a/server/test/com/cloud/vpc/dao/MockConfigurationDaoImpl.java b/server/test/com/cloud/vpc/dao/MockConfigurationDaoImpl.java
index 87a748fe0fc..4322c323e49 100644
--- a/server/test/com/cloud/vpc/dao/MockConfigurationDaoImpl.java
+++ b/server/test/com/cloud/vpc/dao/MockConfigurationDaoImpl.java
@@ -107,4 +107,8 @@ public class MockConfigurationDaoImpl  extends GenericDaoBase<ConfigurationVO, S
         return false;
     }
 
+    @Override
+    public void invalidateCache() {
+    }
+
 }