diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 025ac0bd35340be8178bccb59f08105768475783..c905b35d4f8574e5578b3199c48deda2fe3b93a9 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1330,7 +1330,7 @@ int usb_reset_configuration(struct usb_device *dev)
 	return 0;
 }
 
-void usb_release_interface(struct device *dev)
+static void usb_release_interface(struct device *dev)
 {
 	struct usb_interface *intf = to_usb_interface(dev);
 	struct usb_interface_cache *intfc =