diff --git a/sys/dev/rtwn/pci/rtwn_pci_attach.c b/sys/dev/rtwn/pci/rtwn_pci_attach.c
index efa6bc01501..65c2313fed6 100644
--- a/sys/dev/rtwn/pci/rtwn_pci_attach.c
+++ b/sys/dev/rtwn/pci/rtwn_pci_attach.c
@@ -783,9 +783,7 @@ static driver_t rtwn_pci_driver = {
 	sizeof(struct rtwn_pci_softc)
 };
 
-static devclass_t rtwn_pci_devclass;
-
-DRIVER_MODULE(rtwn_pci, pci, rtwn_pci_driver, rtwn_pci_devclass, NULL, NULL);
+DRIVER_MODULE(rtwn_pci, pci, rtwn_pci_driver, NULL, NULL);
 MODULE_VERSION(rtwn_pci, 1);
 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, rtwn, rtwn_pci_ident_table,
     nitems(rtwn_pci_ident_table));
diff --git a/sys/dev/rtwn/usb/rtwn_usb_attach.c b/sys/dev/rtwn/usb/rtwn_usb_attach.c
index cb775bae318..4e881b2d0de 100644
--- a/sys/dev/rtwn/usb/rtwn_usb_attach.c
+++ b/sys/dev/rtwn/usb/rtwn_usb_attach.c
@@ -480,9 +480,7 @@ static driver_t rtwn_usb_driver = {
 	sizeof(struct rtwn_usb_softc)
 };
 
-static devclass_t rtwn_usb_devclass;
-
-DRIVER_MODULE(rtwn_usb, uhub, rtwn_usb_driver, rtwn_usb_devclass, NULL, NULL);
+DRIVER_MODULE(rtwn_usb, uhub, rtwn_usb_driver, NULL, NULL);
 MODULE_VERSION(rtwn_usb, 1);
 MODULE_DEPEND(rtwn_usb, usb, 1, 1, 1);
 MODULE_DEPEND(rtwn_usb, wlan, 1, 1, 1);