Index: firmware/App/DDCommon.h
===================================================================
diff -u -rdc92ad788322c2c6a6ad28728105577f5345f674 -r801f2d7f653fbe2185aade246290bb633eae6391
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision dc92ad788322c2c6a6ad28728105577f5345f674)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 801f2d7f653fbe2185aade246290bb633eae6391)
@@ -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