diff --git a/ArduCopter/make.inc b/ArduCopter/make.inc
index 224e127d90..df7d7d8b25 100644
--- a/ArduCopter/make.inc
+++ b/ArduCopter/make.inc
@@ -36,7 +36,6 @@ LIBRARIES += AP_Relay
 LIBRARIES += AP_ServoRelayEvents
 LIBRARIES += AP_Camera
 LIBRARIES += AP_Mount
-LIBRARIES += AP_Airspeed
 LIBRARIES += AP_Vehicle
 LIBRARIES += AP_InertialNav
 LIBRARIES += AC_WPNav