Index: firmware/App/DDCommon.h
===================================================================
diff -u -r932b17b95ed9966d03643678b964b914251df67f -r7c82198a908a42c46c5d32f703608dd20a276996
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 932b17b95ed9966d03643678b964b914251df67f)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 7c82198a908a42c46c5d32f703608dd20a276996)
@@ -45,9 +45,6 @@
 //Uncomment below once characterization/study completed
 //#define ENABLE_ALARM_2
 
-//Uncomment below for spent chamber filling
-//#define __SPENT_CHAMBER_FILL__    1
-
 //Uncomment below for bicarb chamber filling
 //#define __BICARB_CHAMBER_FILL__   1