diff --git a/sys/bus/usb/usb.c b/sys/bus/usb/usb.c
index 6737075..4abfb16 100644
--- a/sys/bus/usb/usb.c
+++ b/sys/bus/usb/usb.c
@@ -935,6 +935,7 @@ usb_detach(device_t self)
                        }
                }
        }
+       destroy_dev(sc->sc_usbdev);

        usbd_finish();