diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 119b795b28505b5f233a66e1282d43c8530bac8b..967e18f72a387115c8169c1ed9bb06c6f0088fac 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -554,7 +554,7 @@ struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
 struct hci_dev *hci_alloc_dev(void);
 void hci_free_dev(struct hci_dev *hdev);
 int hci_register_dev(struct hci_dev *hdev);
-int hci_unregister_dev(struct hci_dev *hdev);
+void hci_unregister_dev(struct hci_dev *hdev);
 int hci_suspend_dev(struct hci_dev *hdev);
 int hci_resume_dev(struct hci_dev *hdev);
 int hci_dev_open(__u16 dev);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index fdcbf8fc26ad678d3fd2e480ab67d7f4d077e253..557ff90331b916b904ad24ddb4185a5325258654 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1541,7 +1541,7 @@ int hci_register_dev(struct hci_dev *hdev)
 EXPORT_SYMBOL(hci_register_dev);
 
 /* Unregister HCI device */
-int hci_unregister_dev(struct hci_dev *hdev)
+void hci_unregister_dev(struct hci_dev *hdev)
 {
 	int i;
 
@@ -1583,8 +1583,6 @@ int hci_unregister_dev(struct hci_dev *hdev)
 	hci_dev_unlock_bh(hdev);
 
 	__hci_dev_put(hdev);
-
-	return 0;
 }
 EXPORT_SYMBOL(hci_unregister_dev);