Index: uspace/lib/c/generic/devman.c
===================================================================
--- uspace/lib/c/generic/devman.c	(revision 4db437213f6eb65aef13d7a8e8e6a5f11be4d147)
+++ uspace/lib/c/generic/devman.c	(revision 707ffcf9b598647f70b37a330aa42283df4f96be)
@@ -116,6 +116,5 @@
 	async_set_client_connection(conn);
 	
-	sysarg_t callback_phonehash;
-	ipc_connect_to_me(phone, 0, 0, 0, &callback_phonehash);
+	ipc_connect_to_me(phone, 0, 0, 0, NULL, NULL);
 	async_wait_for(req, &retval);