diff --git a/libraries/AP_Common/AP_Common.h b/libraries/AP_Common/AP_Common.h
index 1cd3517ab3..82e2377e57 100644
--- a/libraries/AP_Common/AP_Common.h
+++ b/libraries/AP_Common/AP_Common.h
@@ -87,8 +87,6 @@
 /// bit 7: Move to next Command             0: YES,         1: Loiter until commanded
 
 //@{
-#define LOCATION_MASK_OPTIONS_RELATIVE_ALT      (1<<0)     // 1 = Relative altitude
-#define LOCATION_MASK_OPTIONS_LOITER_DIRECTION  (1<<2)     // 0 = CW, 1 = CCW
 
 struct PACKED Location_Option_Flags {
     uint8_t relative_alt : 1;           // 1 if altitude is relateive to home