diff --git a/sys/arm/xilinx/zy7_gpio.c b/sys/arm/xilinx/zy7_gpio.c
index ac73c9f4ad3..0b888126f62 100644
--- a/sys/arm/xilinx/zy7_gpio.c
+++ b/sys/arm/xilinx/zy7_gpio.c
@@ -373,16 +373,11 @@ static device_method_t zy7_gpio_methods[] = {
 };
 
 static driver_t zy7_gpio_driver = {
-	"zy7_gpio",
+	"gpio",
 	zy7_gpio_methods,
 	sizeof(struct zy7_gpio_softc),
 };
 static devclass_t zy7_gpio_devclass;
 
-extern devclass_t gpiobus_devclass, gpioc_devclass;
-extern driver_t gpiobus_driver, gpioc_driver;
-
 DRIVER_MODULE(zy7_gpio, simplebus, zy7_gpio_driver, zy7_gpio_devclass, \
 	      NULL, NULL);
-DRIVER_MODULE(gpiobus, zy7_gpio, gpiobus_driver, gpiobus_devclass, 0, 0);
-DRIVER_MODULE(gpioc, zy7_gpio, gpioc_driver, gpioc_devclass, 0, 0);
diff --git a/sys/arm/xscale/ixp425/avila_gpio.c b/sys/arm/xscale/ixp425/avila_gpio.c
index 4a2d1e94ff4..6d92e087165 100644
--- a/sys/arm/xscale/ixp425/avila_gpio.c
+++ b/sys/arm/xscale/ixp425/avila_gpio.c
@@ -344,15 +344,11 @@ static device_method_t gpio_avila_methods[] = {
 };
 
 static driver_t gpio_avila_driver = {
-	"gpio_avila",
+	"gpio",
 	gpio_avila_methods,
 	sizeof(struct avila_gpio_softc),
 };
 static devclass_t gpio_avila_devclass;
-extern devclass_t gpiobus_devclass, gpioc_devclass;
-extern driver_t gpiobus_driver, gpioc_driver;
 
 DRIVER_MODULE(gpio_avila, ixp, gpio_avila_driver, gpio_avila_devclass, 0, 0);
-DRIVER_MODULE(gpiobus, gpio_avila, gpiobus_driver, gpiobus_devclass, 0, 0);
-DRIVER_MODULE(gpioc, gpio_avila, gpioc_driver, gpioc_devclass, 0, 0);
 MODULE_VERSION(gpio_avila, 1);
diff --git a/sys/arm/xscale/ixp425/cambria_gpio.c b/sys/arm/xscale/ixp425/cambria_gpio.c
index 7a773db6563..16c3489c526 100644
--- a/sys/arm/xscale/ixp425/cambria_gpio.c
+++ b/sys/arm/xscale/ixp425/cambria_gpio.c
@@ -476,16 +476,12 @@ static device_method_t cambria_gpio_methods[] = {
 };
 
 static driver_t cambria_gpio_driver = {
-	"gpio_cambria",
+	"gpio",
 	cambria_gpio_methods,
 	sizeof(struct cambria_gpio_softc),
 };
 static devclass_t cambria_gpio_devclass;
-extern devclass_t gpiobus_devclass, gpioc_devclass;
-extern driver_t gpiobus_driver, gpioc_driver;
 
 DRIVER_MODULE(gpio_cambria, iicbus, cambria_gpio_driver, cambria_gpio_devclass, 0, 0);
-DRIVER_MODULE(gpiobus, gpio_cambria, gpiobus_driver, gpiobus_devclass, 0, 0);
-DRIVER_MODULE(gpioc, gpio_cambria, gpioc_driver, gpioc_devclass, 0, 0);
 MODULE_VERSION(gpio_cambria, 1);
 MODULE_DEPEND(gpio_cambria, iicbus, 1, 1, 1);