diff --git a/sys/dev/usb/ugen.c b/sys/dev/usb/ugen.c
index f217f030d2ea..0772eb8bc59a 100644
--- a/sys/dev/usb/ugen.c
+++ b/sys/dev/usb/ugen.c
@@ -1013,7 +1013,7 @@ static int
 ugen_detach(device_t self)
 {       
 	DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
-	device_set_desc(self, NULL);
+
 	return 0;
 }
 
diff --git a/sys/dev/usb/uhid.c b/sys/dev/usb/uhid.c
index f091594310a3..06d8485ac7e6 100644
--- a/sys/dev/usb/uhid.c
+++ b/sys/dev/usb/uhid.c
@@ -240,7 +240,7 @@ static int
 uhid_detach(device_t self)
 {       
 	DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
-	device_set_desc(self, NULL);
+
 	return 0;
 }
 #endif
diff --git a/sys/dev/usb/ukbd.c b/sys/dev/usb/ukbd.c
index 67b0f26fb67e..e622a88ff0a6 100644
--- a/sys/dev/usb/ukbd.c
+++ b/sys/dev/usb/ukbd.c
@@ -206,8 +206,6 @@ ukbd_detach(device_t self)
 
 	DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
 
-	device_set_desc(self, NULL);
-
 	return (0);
 }
 
diff --git a/sys/dev/usb/ulpt.c b/sys/dev/usb/ulpt.c
index 8a0005adf822..6f178dd0b503 100644
--- a/sys/dev/usb/ulpt.c
+++ b/sys/dev/usb/ulpt.c
@@ -449,7 +449,7 @@ static int
 ulpt_detach(device_t self)
 {       
 	DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
-	device_set_desc(self, NULL);
+
 	return 0;
 }
 
diff --git a/sys/dev/usb/umodem.c b/sys/dev/usb/umodem.c
index c624b8667d98..8041214f41fc 100644
--- a/sys/dev/usb/umodem.c
+++ b/sys/dev/usb/umodem.c
@@ -126,7 +126,6 @@ static int
 umodem_detach(device_t self)
 {
 	DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
-	device_set_desc(self, NULL);
 
 	return 0;
 }
diff --git a/sys/dev/usb/ums.c b/sys/dev/usb/ums.c
index cb1bb8a1da6b..4e8e441edb8f 100644
--- a/sys/dev/usb/ums.c
+++ b/sys/dev/usb/ums.c
@@ -388,7 +388,7 @@ ums_detach(device_t self)
 	sc->sc_disconnected = 1;
 
 	DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
-	device_set_desc(self, NULL);
+
 	free(sc->sc_loc_btn, M_USB);
 	free(sc->sc_ibuf, M_USB);