diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index e5568bab5e70..afccda783532 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3764,8 +3764,6 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
 /*
  * Issue an Address Device command and optionally send a corresponding
  * SetAddress request to the device.
- * We should be protected by the usb_address0_mutex in hub_wq's hub_port_init,
- * so we should only issue and wait on one address command at the same time.
  */
 static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
 			     enum xhci_setup_dev setup)