Index: firmware/App/DDCommon.h
===================================================================
diff -u -rdc92ad788322c2c6a6ad28728105577f5345f674 -r937362196a40d7d55b1b61e33f88c382184fbf2f
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision dc92ad788322c2c6a6ad28728105577f5345f674)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 937362196a40d7d55b1b61e33f88c382184fbf2f)
@@ -7,8 +7,8 @@
 *
 * @file    DDCommon.h
 *
-* @author  (last)      Vinayakam Mani
-* @date    (last)      14-Nov-2025
+* @author  (last)      “rkallala”
+* @date    (last)      28-Jan-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  07-Aug-2024
@@ -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