diff --git a/src/modules/sensors/sensor_params.c b/src/modules/sensors/sensor_params.c
index c46bda1a8f..1ad31e01fe 100644
--- a/src/modules/sensors/sensor_params.c
+++ b/src/modules/sensors/sensor_params.c
@@ -935,40 +935,6 @@ PARAM_DEFINE_FLOAT(SENS_BOARD_X_OFF, 0.0f);
  */
 PARAM_DEFINE_FLOAT(SENS_BOARD_Z_OFF, 0.0f);
 
-/**
- * External magnetometer rotation
- *
- * @value 0 No rotation
- * @value 1 Yaw 45°
- * @value 2 Yaw 90°
- * @value 3 Yaw 135°
- * @value 4 Yaw 180°
- * @value 5 Yaw 225°
- * @value 6 Yaw 270°
- * @value 7 Yaw 315°
- * @value 8 Roll 180°
- * @value 9 Roll 180°, Yaw 45°
- * @value 10 Roll 180°, Yaw 90°
- * @value 11 Roll 180°, Yaw 135°
- * @value 12 Pitch 180°
- * @value 13 Roll 180°, Yaw 225°
- * @value 14 Roll 180°, Yaw 270°
- * @value 15 Roll 180°, Yaw 315°
- * @value 16 Roll 90°
- * @value 17 Roll 90°, Yaw 45°
- * @value 18 Roll 90°, Yaw 90°
- * @value 19 Roll 90°, Yaw 135°
- * @value 20 Roll 270°
- * @value 21 Roll 270°, Yaw 45°
- * @value 22 Roll 270°, Yaw 90°
- * @value 23 Roll 270°, Yaw 135°
- * @value 24 Pitch 90°
- * @value 25 Pitch 270°
- *
- * @group Sensor Calibration
- */
-PARAM_DEFINE_INT32(SENS_EXT_MAG_ROT, 0);
-
 /**
  * Select primary magnetometer
  *
diff --git a/src/modules/sensors/voted_sensors_update.cpp b/src/modules/sensors/voted_sensors_update.cpp
index 9e0af6a663..7507a61728 100644
--- a/src/modules/sensors/voted_sensors_update.cpp
+++ b/src/modules/sensors/voted_sensors_update.cpp
@@ -474,28 +474,6 @@ void VotedSensorsUpdate::parameters_update()
 						mag_rot = 0;
 						param_set_no_notification(param_find(str), &mag_rot);
 					}
-
-					/* handling of old setups, will be removed later (noted Feb 2015) */
-					int32_t deprecated_mag_rot = 0;
-					param_get(param_find("SENS_EXT_MAG_ROT"), &deprecated_mag_rot);
-
-					/*
-					 * If the deprecated parameter is non-default (is != 0),
-					 * and the new parameter is default (is == 0), then this board
-					 * was configured already and we need to copy the old value
-					 * to the new parameter.
-					 * The < 0 case is special: It means that this param slot was
-					 * used previously by an internal sensor, but the the call above
-					 * proved that it is currently occupied by an external sensor.
-					 * In that case we consider the orientation to be default as well.
-					 */
-					if ((deprecated_mag_rot != 0) && (mag_rot <= 0)) {
-						mag_rot = deprecated_mag_rot;
-						param_set_no_notification(param_find(str), &mag_rot);
-						/* clear the old param, not supported in GUI anyway */
-						deprecated_mag_rot = 0;
-						param_set_no_notification(param_find("SENS_EXT_MAG_ROT"), &deprecated_mag_rot);
-					}
 				}
 
 				if (failed) {