diff --git a/mailserviceimpl.h b/mailserviceimpl.h
index d5ce7ffa6..08ee2a32c 100644
--- a/mailserviceimpl.h
+++ b/mailserviceimpl.h
@@ -34,7 +34,7 @@
 
 class QString;
 class KURL;
-class KURL::List;
+//class KURL::List;
 template <typename T> class QMemArray;
 typedef QMemArray<char> QByteArray;