diff --git a/ArduCopter/wscript b/ArduCopter/wscript
index 677477922a..13bde3905e 100644
--- a/ArduCopter/wscript
+++ b/ArduCopter/wscript
@@ -17,12 +17,9 @@ def build(bld):
             'AP_IRLock',
             'AP_InertialNav',
             'AP_Motors',
-            'AP_RCMapper',
             'AP_Avoidance',
             'AP_AdvancedFailsafe',
             'AP_SmartRTL',
-            'AP_Beacon',
-            'AP_Arming',
             'AP_WheelEncoder',
             'AP_Winch',
             'AP_Follow',