diff --git a/profiles/audio/avdtp.c b/profiles/audio/avdtp.c
index e5d4139..5b8d7b1 100644
--- a/profiles/audio/avdtp.c
+++ b/profiles/audio/avdtp.c
@@ -442,7 +442,6 @@ static int process_queue(struct avdtp *session);
 static void avdtp_sep_set_state(struct avdtp *session,
 				struct avdtp_local_sep *sep,
 				avdtp_state_t state);
-static void auth_cb(DBusError *derr, void *user_data);
 
 static struct avdtp_server *find_server(GSList *list, struct btd_adapter *a)
 {