Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -rb1b5e8659de8f6109c4d77cda98308d1fd9ef165 -re6dc73b45ec3d0df4c9a03673625862b71acd608
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision b1b5e8659de8f6109c4d77cda98308d1fd9ef165)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision e6dc73b45ec3d0df4c9a03673625862b71acd608)
@@ -384,7 +384,9 @@
 
         if ( integratedVolumeToLoadCellReadingPercent > FLOW_INTEGRATED_VOLUME_CHECK_TOLERANCE )
         {
+#ifndef DISABLE_MIXING
             SET_ALARM_WITH_2_F32_DATA( ALARM_ID_DG_FLOW_METER_CHECK_FAILURE, filledVolume_mL, integratedVolume_mL );
+#endif
         }
 
         requestNewOperationMode( DG_MODE_CIRC );
@@ -403,13 +405,15 @@
  *************************************************************************/
 static void handleDialysateMixing( void )
 {
+#ifndef DISABLE_MIXING
     // Set concentrate pumps speed based off RO pump flow rate
     F32 const measuredROFlowRate = getMeasuredROFlowRate();
     F32 const acidCP1PumpFlowRate = DIALYSATE_ACID_CONCENTRATE_RATIO * measuredROFlowRate * ML_PER_LITER;
     F32 const bicarbCP2PumpFlowRate = DIALYSATE_BICARB_CONCENTRATE_RATIO * measuredROFlowRate * ML_PER_LITER;
 
     setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP1_ACID, acidCP1PumpFlowRate );
     setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, bicarbCP2PumpFlowRate );
+#endif
 }
 
 /**@}*/