diff --git a/src/drivers/drv_sensor.h b/src/drivers/drv_sensor.h
index 251a7e373c..68ee5586db 100644
--- a/src/drivers/drv_sensor.h
+++ b/src/drivers/drv_sensor.h
@@ -147,11 +147,6 @@
  */
 #define SENSORIOCRESET		_SENSORIOC(4)
 
-/**
- * Set the sensor orientation
- */
-#define SENSORIOCSROTATION	_SENSORIOC(5)
-
 /**
  * Get the sensor orientation
  */
diff --git a/src/drivers/px4flow/px4flow.cpp b/src/drivers/px4flow/px4flow.cpp
index 0035d9030c..909093c36d 100644
--- a/src/drivers/px4flow/px4flow.cpp
+++ b/src/drivers/px4flow/px4flow.cpp
@@ -388,10 +388,6 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case SENSORIOCGQUEUEDEPTH:
 		return _reports->size();
 
-	case SENSORIOCSROTATION:
-		_sensor_rotation = (enum Rotation)arg;
-		return OK;
-
 	case SENSORIOCGROTATION:
 		return _sensor_rotation;