Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -r3c4db4bd430371bd45882ff2e0e7091039090761 -r41dc41df4e268be6c96e21196ad0ee4e697848b6
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 3c4db4bd430371bd45882ff2e0e7091039090761)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 41dc41df4e268be6c96e21196ad0ee4e697848b6)
@@ -1272,8 +1272,6 @@
         fillModeData.averageBicarbConductivity = averageBicarbConductivity;
         fillModeData.isThisTheFirstFill        = isThisTheFirstFill();
         fillModeData.pctDiffInConductivity     = pctDiffInConductivity;
-        fillModeData.usedAcidVolumeML          = 0.0F;
-        fillModeData.usedBicarbVolumeML        = 0.0F;
         fillModeData.integratedVolumeML        = getIntegratedVolumeML();
         fillModeData.roOnlyModeStatus          = (U32)isROOnlyModeEnabled();
         fillModeData.badFillSignal             = getCurrentBadFillSignal();
Index: firmware/App/Modes/ModeFill.h
===================================================================
diff -u -r27792ea3eb8f23c8f0432620619fad4f654bdbe3 -r41dc41df4e268be6c96e21196ad0ee4e697848b6
--- firmware/App/Modes/ModeFill.h	(.../ModeFill.h)	(revision 27792ea3eb8f23c8f0432620619fad4f654bdbe3)
+++ firmware/App/Modes/ModeFill.h	(.../ModeFill.h)	(revision 41dc41df4e268be6c96e21196ad0ee4e697848b6)
@@ -46,8 +46,6 @@
     F32 averageAcidConductivity;                ///< The average acid conductivity calculated in one fill.
     U32 isThisTheFirstFill;                     ///< Indicate if this is the first fill.
     F32 pctDiffInConductivity;                  ///< The percent difference between CD1 and CD2.
-    F32 usedAcidVolumeML;                       ///< The used acid volume in ML.
-    F32 usedBicarbVolumeML;                     ///< The used bicarb volume in ML.
     F32 integratedVolumeML;                     ///< Integrated volume in milliliters.
     U32 roOnlyModeStatus;                       ///< RO only mode status.
     U32 badFillSignal;                          ///< bad fill signal.