diff --git a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c
index 30eb2a96e0..31496bd0c6 100755
--- a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c
+++ b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c
@@ -95,19 +95,6 @@ PARAM_DEFINE_FLOAT(EKF_ATT_V4_R1, 10000.0f);
  */
 PARAM_DEFINE_FLOAT(EKF_ATT_V4_R2, 100.0f);
 
-/**
- * EKF attitude estimator enabled
- *
- * If enabled, it uses the older EKF filter.
- * However users can enable the new quaternion
- * based complimentary filter by setting EKF_ATT_ENABLED = 0.
- *
- * @min 0
- * @max 1
- * @group Attitude EKF estimator
- */
-PARAM_DEFINE_INT32(EKF_ATT_ENABLED, 1);
-
 /**
  * Moment of inertia matrix diagonal entry (1, 1)
  *