diff --git a/sys/dev/gpio/gpiobus.c b/sys/dev/gpio/gpiobus.c
index ee188e726193..bd0bae96b1df 100644
--- a/sys/dev/gpio/gpiobus.c
+++ b/sys/dev/gpio/gpiobus.c
@@ -421,13 +421,13 @@ gpiobus_release_pin(device_t bus, uint32_t pin)
 	/* Consistency check. */
 	if (pin >= sc->sc_npins) {
 		device_printf(bus,
-		    "gpiobus_acquire_pin: invalid pin %d, max=%d\n",
+		    "invalid pin %d, max=%d\n",
 		    pin, sc->sc_npins - 1);
 		return (-1);
 	}
 
 	if (!sc->sc_pins[pin].mapped) {
-		device_printf(bus, "gpiobus_acquire_pin: pin %d is not mapped\n", pin);
+		device_printf(bus, "pin %d is not mapped\n", pin);
 		return (-1);
 	}
 	sc->sc_pins[pin].mapped = 0;