Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -r135b257c835e406f036dfbdec1d8cd9c51e1c526 -r2b47dd2e7974618d8899527cdbff80fa93ebc9fa
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 135b257c835e406f036dfbdec1d8cd9c51e1c526)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 2b47dd2e7974618d8899527cdbff80fa93ebc9fa)
@@ -67,7 +67,7 @@
 #define MAX_FLUSH_CIRC_TEMP_SENSOR_DIFF_C          3.0F                                                        ///< Maximum flush circulation temperature difference tolerance in C.
 #define NUM_OF_TEMP_SENSORS_TO_AVG                 3.0F                                                        ///< Number of temperature sensors to average to check the difference.
 #define ACID_PUMP_SPEED_ML_PER_MIN                 30.6F                                                       ///< Acid concentrate pump speed in mL/min.
-// The bicarb pump is 2% faster than the acid pump to create a flow from acid to bicarb line during heat disinfect
+// The acid pump is 2% faster than the acid pump to create a flow from acid to bicarb line during heat disinfect
 #define BICARB_PUMP_SPEED_ML_PER_MIN               -30.0F                                                      ///< Bicarb concentrate pump speed in mL/min.
 
 // Flush and drain R1 and R2
@@ -117,16 +117,6 @@
 #define NELSON_SUPPORT_INOCULATE_TIME_MS           ( 30 * SEC_PER_MIN * MS_PER_SECOND )                        // Nelson support inoculate time in milliseconds.
 #endif
 
-/// Cancellation paths
-typedef enum Cancellation_modes
-{
-    CANCELLATION_MODE_NONE = 0,                                                                                ///< Cancellation mode none.
-    CANCELLATION_MODE_BASIC,                                                                                   ///< Cancellation mode basic.
-    CANCELLATION_MODE_HOT,                                                                                     ///< Cancellation mode hot.
-    CANCELLATION_MODE_COLD,                                                                                    ///< Cancellation mode cold.
-    NUM_OF_CANCELLATION_MODES                                                                                  ///< Number of cancellation modes.
-} CANCELLATION_MODE_T;
-
 /// Heat disinfect status
 typedef enum Heat_disinfect_status
 {