Index: firmware/App/Controllers/Heaters.c
===================================================================
diff -u -r4541d91cb4324d3d5e1aa4104ebcd9eb14c904f6 -r0c14c0f5a3a3c6e47a0e4ac5fcb8e8b23e766905
--- firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision 4541d91cb4324d3d5e1aa4104ebcd9eb14c904f6)
+++ firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision 0c14c0f5a3a3c6e47a0e4ac5fcb8e8b23e766905)
@@ -54,7 +54,6 @@
 #define HEATER_CNTL_TRANSFER_DELTA_TEMP_C                          0.50F                                                           ///< AC heater delta temperature to transfer control from open to close loop
 #define ADJ_DELTA_TEMP_STEP                                        2.0F                                                            ///< Adjust target temperature based on D28 feedback per cycle.
 #define MAX_ADJ_DELTA_TEMP_C                                       7.0F                                                            ///< Maximum adjusted delta temperature to add/remove from calculated target temperature
-#define AC_HEATER_EFFICIENCY_ADJ                                   0.01F                                                           ///< AC heater efficiency adjustment factor ( 1%)
 #define D5_HEAT_TX_INIT_FEED_FORWARD                               0.0F                                                            ///< Initial Feed forward term for heater control
 #define D5_HEAT_TX_P_COEFFICIENT                                   0.035F                                                          ///< P Term for AC primary heater control during treatment mode.
 #define D5_HEAT_TX_I_COEFFICIENT                                   0.004F                                                          ///< I Term for AC primary heater control during treatment mode.
@@ -110,7 +109,6 @@
 #define D5_HEAT_OUT_DEADBAND_CONTROL                               0.1F                                                            ///< Heater outer loop dead band range for control.
 #define HIGH_DIAL_FLOW_RATE                                        300.0F                                                          ///< Decide outer loop heater control based on the dialysate flow rate
 
-
 //static const F32 HEATERS_VOLTAGE_TOLERANCE_V            = HEATERS_MAX_OPERATING_VOLTAGE_V * HEATERS_MAX_VOLTAGE_OUT_OF_RANGE_TOL;  ///< Heaters voltage tolerance in volts.
 
 /// Heaters data structure