diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 1499132..b5d4019 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -734,7 +734,7 @@
 	return err;
 }
 
-int __exit hci_sock_cleanup(void)
+void __exit hci_sock_cleanup(void)
 {
 	if (bt_sock_unregister(BTPROTO_HCI) < 0)
 		BT_ERR("HCI socket unregistration failed");
@@ -742,6 +742,4 @@
 	hci_unregister_notifier(&hci_sock_nblock);
 
 	proto_unregister(&hci_sk_proto);
-
-	return 0;
 }