diff --git a/Code/Mantid/Framework/API/test/WorkspaceGroupTest.h b/Code/Mantid/Framework/API/test/WorkspaceGroupTest.h
index 5f361601f7b902baa4b85c7fcc664025122477d4..d5e7f396deecd4287e634109604c67bbdd55f3e1 100644
--- a/Code/Mantid/Framework/API/test/WorkspaceGroupTest.h
+++ b/Code/Mantid/Framework/API/test/WorkspaceGroupTest.h
@@ -28,7 +28,7 @@ public:
     AnalysisDataService::Instance().notificationCenter.addObserver(m_workspaceGroupUpdateObserver);
   }
   //handles notification send by a WorkspaceGroup instance
-  void handleWorkspaceGroupUpdate(Mantid::API::GroupUpdatedNotification_ptr pNf)
+  void handleWorkspaceGroupUpdate(Mantid::API::GroupUpdatedNotification_ptr)
   {
     received = true;
   }