diff --git a/conf/airframes/booz2_flixr.xml b/conf/airframes/booz2_flixr.xml
index c0d388f750..11918baaaf 100644
--- a/conf/airframes/booz2_flixr.xml
+++ b/conf/airframes/booz2_flixr.xml
@@ -259,7 +259,8 @@
         sim.CFLAGS += -DB2_GUIDANCE_H_USE_REF
 
         #ap.CFLAGS += -DBOOZ_FAILSAFE_GROUND_DETECT
-        ap.CFLAGS += -DUSE_ADAPT_HOVER -DUSE_INS_NAV_INIT -DBOOZ_START_DELAY=2
+        ap.CFLAGS += -DUSE_ADAPT_HOVER -DUSE_INS_NAV_INIT
+        #ap.CFLAGS += -DBOOZ_START_DELAY=2
         sim.CFLAGS += -DUSE_ADAPT_HOVER
 
   </makefile>