diff --git a/libraries/AP_NavEKF/EKFGSF_yaw.h b/libraries/AP_NavEKF/EKFGSF_yaw.h
index a141b3adf8..80aee7977c 100644
--- a/libraries/AP_NavEKF/EKFGSF_yaw.h
+++ b/libraries/AP_NavEKF/EKFGSF_yaw.h
@@ -80,7 +80,6 @@ private:
     float accel_gain;               // gain from accel vector tilt error to rate gyro correction used by AHRS calculation
     Vector3f ahrs_accel;            // filtered body frame specific force vector used by AHRS calculation (m/s/s)
     float ahrs_accel_norm;          // length of body frame specific force vector used by AHRS calculation (m/s/s)
-    bool ahrs_turn_comp_enabled;    // true when compensation for centripetal acceleration in coordinated turns using true airspeed is being used.
     float true_airspeed;            // true airspeed used to correct for centripetal acceleratoin in coordinated turns (m/s)
 
     // Runs quaternion prediction for the selected AHRS using IMU (and optionally true airspeed) data