Index: firmware/App/Controllers/BalancingChamber.h
===================================================================
diff -u -r5075786897d42d24a93ae5485936b5d50c307f65 -r2c1f48366677def3a01d9a96f80cb3419a3b7674
--- firmware/App/Controllers/BalancingChamber.h	(.../BalancingChamber.h)	(revision 5075786897d42d24a93ae5485936b5d50c307f65)
+++ firmware/App/Controllers/BalancingChamber.h	(.../BalancingChamber.h)	(revision 2c1f48366677def3a01d9a96f80cb3419a3b7674)
@@ -47,19 +47,6 @@
 #define BAL_CHAMBER_TIME_BASED_BAND_2               290                ///< Speed at D48 pump runs when the flowrate is between 60 mL/min and 70 mL/min.
 #define BAL_CHAMBER_TIME_BASED_BAND_3               330                ///< Speed at D48 pump runs when the flowrate is between 70 mL/min and 80 mL/min.
 
-/// balancing chamber data structure
-typedef struct
-{
-    U32 balChamberExecState;                                            ///< Balancing chamber execution state
-    U32 balChamberSWState;                                              ///< Balancing chamber switching state (state 1 or state 2)
-    F32 balChamberSWFreq;                                               ///< Balancing chamber switching frequency
-    BOOL isSpentFillComplete;                                           ///< Whether balancing chamber spent fill completed or not
-    U32 currentBalChamberSwitchingCounter;                              ///< Current balancing chamber switching counter
-    BOOL isPressureStabilizedDuringFill;                                ///< Whether pressure stabilized during fill or not
-    BOOL balChamberSWOnlyState;                                         ///< Balancing chamber switching only status ( On/Off)
-    BOOL isBalChamberSwitchingActive;                                   ///< Balancing chamber switching status
-} BAL_CHAMBER_DATA_T;
-
 // ********** public function prototypes **********
 
 void initBalanceChamber( void );                                         // Initialize balancing chamber unit