diff --git a/ArduCopter/Copter.h b/ArduCopter/Copter.h
index 02d3881145..fac01cf0b3 100644
--- a/ArduCopter/Copter.h
+++ b/ArduCopter/Copter.h
@@ -49,7 +49,6 @@
 #include <AP_Motors/AP_Motors.h>            // AP Motors library
 #include <AP_Stats/AP_Stats.h>              // statistics library
 #include <Filter/Filter.h>                  // Filter library
-#include <AP_Airspeed/AP_Airspeed.h>        // needed for AHRS build
 #include <AP_Vehicle/AP_Vehicle.h>          // needed for AHRS build
 #include <AP_InertialNav/AP_InertialNav.h>  // inertial navigation library
 #include <AC_WPNav/AC_WPNav.h>              // ArduCopter waypoint navigation library