diff --git a/ArduCopter/config.h b/ArduCopter/config.h
index 8342b83cee..63162b38f6 100644
--- a/ArduCopter/config.h
+++ b/ArduCopter/config.h
@@ -565,12 +565,6 @@
 # define RTL_AUTO_LAND 		ENABLED
 #endif
 
-// RTL Approach Delay in seconds
-#ifndef RTL_APPROACH_DELAY
-# define RTL_APPROACH_DELAY	20
-#endif
-
-
 // LOITER Mode
 #ifndef OF_LOITER_YAW
 # define OF_LOITER_YAW 		YAW_HOLD
@@ -990,10 +984,6 @@
 #endif
 
 
-#ifndef RETRO_LOITER_MODE
-# define RETRO_LOITER_MODE DISABLED
-#endif
-
 #ifndef ALTERNATIVE_YAW_MODE
 # define ALTERNATIVE_YAW_MODE DISABLED
 #endif