diff --git a/src/test/java/org/opencord/kafka/integrations/MockDeviceService.java b/src/test/java/org/opencord/kafka/integrations/MockDeviceService.java
index 5d83cc8..bcb344b 100644
--- a/src/test/java/org/opencord/kafka/integrations/MockDeviceService.java
+++ b/src/test/java/org/opencord/kafka/integrations/MockDeviceService.java
@@ -170,6 +170,7 @@
                 }
 
                 @Override
+                @SuppressWarnings({"TypeParameterUnusedInFormals"})
                 public <B extends Behaviour> B as(Class<B> projectionClass) {
                     return null;
                 }