diff --git a/sys/dev/glxiic/glxiic.c b/sys/dev/glxiic/glxiic.c
index a26e03389ea..2d1ba670608 100644
--- a/sys/dev/glxiic/glxiic.c
+++ b/sys/dev/glxiic/glxiic.c
@@ -276,9 +276,7 @@ static driver_t glxiic_driver = {
 	sizeof(struct glxiic_softc),
 };
 
-static devclass_t glxiic_devclass;
-
-DRIVER_MODULE(glxiic, isab, glxiic_driver, glxiic_devclass, 0, 0);
+DRIVER_MODULE(glxiic, isab, glxiic_driver, 0, 0);
 DRIVER_MODULE(iicbus, glxiic, iicbus_driver, 0, 0);
 MODULE_DEPEND(glxiic, iicbus, 1, 1, 1);
 
diff --git a/sys/dev/glxsb/glxsb.c b/sys/dev/glxsb/glxsb.c
index 9b55cd9b77b..1375141036e 100644
--- a/sys/dev/glxsb/glxsb.c
+++ b/sys/dev/glxsb/glxsb.c
@@ -236,9 +236,7 @@ static driver_t glxsb_driver = {
 	sizeof(struct glxsb_softc)
 };
 
-static devclass_t glxsb_devclass;
-
-DRIVER_MODULE(glxsb, pci, glxsb_driver, glxsb_devclass, 0, 0);
+DRIVER_MODULE(glxsb, pci, glxsb_driver, 0, 0);
 MODULE_VERSION(glxsb, 1);
 MODULE_DEPEND(glxsb, crypto, 1, 1, 1);