diff --git a/src/drivers/drv_gpio.h b/src/drivers/drv_gpio.h
index 4e81e61c68..1fec875f15 100644
--- a/src/drivers/drv_gpio.h
+++ b/src/drivers/drv_gpio.h
@@ -77,6 +77,4 @@
 /** clear the GPIOs in (arg) */
 #define GPIO_CLEAR	GPIOC(11)
 
-#define GPIO_PERIPHERAL_RAIL_RESET	GPIOC(14)
-
 #endif /* _DRV_GPIO_H */
diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp
index 20613bb4a5..28e875bc87 100644
--- a/src/drivers/px4fmu/fmu.cpp
+++ b/src/drivers/px4fmu/fmu.cpp
@@ -2880,10 +2880,6 @@ PX4FMU::gpio_ioctl(struct file *filp, int cmd, unsigned long arg)
 		ret = gpio_reset();
 		break;
 
-	case GPIO_PERIPHERAL_RAIL_RESET:
-		peripheral_reset(arg);
-		break;
-
 	case GPIO_SET_OUTPUT:
 	case GPIO_SET_INPUT:
 		ret = gpio_set_function(arg, cmd);