diff --git a/ArduCopter/ekf_check.cpp b/ArduCopter/ekf_check.cpp
index ce4d333e42..d0f6982fb5 100644
--- a/ArduCopter/ekf_check.cpp
+++ b/ArduCopter/ekf_check.cpp
@@ -225,7 +225,6 @@ void Copter::check_ekf_reset()
         AP::logger().Write_Event(LogEvent::EKF_YAW_RESET);
     }
 
-#if AP_AHRS_NAVEKF_AVAILABLE && (HAL_NAVEKF2_AVAILABLE || HAL_NAVEKF3_AVAILABLE)
     // check for change in primary EKF, reset attitude target and log.  AC_PosControl handles position target adjustment
     if ((ahrs.get_primary_core_index() != ekf_primary_core) && (ahrs.get_primary_core_index() != -1)) {
         attitude_control->inertial_frame_reset();
@@ -233,7 +232,6 @@ void Copter::check_ekf_reset()
         AP::logger().Write_Error(LogErrorSubsystem::EKF_PRIMARY, LogErrorCode(ekf_primary_core));
         gcs().send_text(MAV_SEVERITY_WARNING, "EKF primary changed:%d", (unsigned)ekf_primary_core);
     }
-#endif
 }
 
 // check for high vibrations affecting altitude control