diff --git a/src/drivers/drv_gpio.h b/src/drivers/drv_gpio.h
index 03107a147e..4e81e61c68 100644
--- a/src/drivers/drv_gpio.h
+++ b/src/drivers/drv_gpio.h
@@ -79,7 +79,4 @@
 
 #define GPIO_PERIPHERAL_RAIL_RESET	GPIOC(14)
 
-/** configure the board GPIOs in (arg) as outputs, initially high */
-#define GPIO_SET_OUTPUT_HIGH	GPIOC(16)
-
 #endif /* _DRV_GPIO_H */
diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp
index 779cbdc27d..20613bb4a5 100644
--- a/src/drivers/px4fmu/fmu.cpp
+++ b/src/drivers/px4fmu/fmu.cpp
@@ -2684,14 +2684,6 @@ PX4FMU::gpio_set_function(uint32_t gpios, int function)
 				}
 
 				break;
-
-			case GPIO_SET_OUTPUT_HIGH:
-				if (_gpio_tab[i].output) {
-					px4_arch_configgpio((_gpio_tab[i].output & ~(GPIO_OUTPUT_CLEAR)) | GPIO_OUTPUT_SET);
-				}
-
-				break;
-
 			}
 		}
 	}
@@ -2893,7 +2885,6 @@ PX4FMU::gpio_ioctl(struct file *filp, int cmd, unsigned long arg)
 		break;
 
 	case GPIO_SET_OUTPUT:
-	case GPIO_SET_OUTPUT_HIGH:
 	case GPIO_SET_INPUT:
 		ret = gpio_set_function(arg, cmd);
 		break;