Index: firmware/App/Services/MessagePayloads.h
===================================================================
diff -u -r44c977966ab7cfecbfbf5110e6abe4ec45ebab62 -rfeb93744f73bc0a3d58841bb02bd05c38357f35d
--- firmware/App/Services/MessagePayloads.h	(.../MessagePayloads.h)	(revision 44c977966ab7cfecbfbf5110e6abe4ec45ebab62)
+++ firmware/App/Services/MessagePayloads.h	(.../MessagePayloads.h)	(revision feb93744f73bc0a3d58841bb02bd05c38357f35d)
@@ -7,8 +7,8 @@
 *
 * @file MessagePayloads.h
 *
-* @author (last) Sean Nash
-* @date (last) 19-Aug-2020
+* @author (last) Quang Nguyen
+* @date (last) 26-Aug-2020
 *
 * @author (original) Sean Nash
 * @date (original) 29-Jul-2020
@@ -91,14 +91,6 @@
     F32 drainPumpOutletPressure;            ///< Drain pump outlet pressure
 } PRESSURES_DATA_T;
 
-/// Conductivity data struct.
-typedef struct
-{
-    F32 roRejectionRatio;                   ///< RO rejection ratio
-    F32 cpi;                                ///< CPi conductivity sensor value
-    F32 cpo;                                ///< CPo conductivity sensor value
-} CONDUCTIVITY_DATA_T;
-
 /// Reservoir data struct.
 typedef struct
 {
@@ -122,14 +114,6 @@
     U32 trimmerHeaterDC;                    ///< Trimmer heater DC
 } HEATERS_DATA_T;
 
-/// Accelerometer calibration data struct.
-typedef struct
-{
-    F32 xOffset;                            ///< Accelerometer calibration x-offset
-    F32 yOffset;                            ///< Accelerometer calibration y-offset
-    F32 zOffset;                            ///< Accelerometer calibration z-offset
-} ACCEL_CAL_PAYLOAD_T;
-
 #pragma pack(pop)
 
 /**@}*/