Index: HDDefs.h
===================================================================
diff -u -r23346b31cb6b8341a682330d418bdfccb108242b -r9936079924d1d3f845def69f1156b52a5cacd4a9
--- HDDefs.h	(.../HDDefs.h)	(revision 23346b31cb6b8341a682330d418bdfccb108242b)
+++ HDDefs.h	(.../HDDefs.h)	(revision 9936079924d1d3f845def69f1156b52a5cacd4a9)
@@ -394,7 +394,9 @@
     DIALYSIS_START_STATE = 0,                           ///< Start state of the dialysis sub-mode state machine
     DIALYSIS_UF_STATE,                                  ///< Ultrafiltration state of the dialysis sub-mode state machine
     DIALYSIS_SALINE_BOLUS_STATE,                        ///< Saline bolus state of the dialysis sub-mode state machine
+#ifdef DIALYZER_REPRIME_ENABLED
     DIALYSIS_DIALYZER_REPRIME_STATE,                    ///< Dialyzer reprime state of the dialysis sub-mode state machine
+#endif
     NUM_OF_DIALYSIS_STATES                              ///< Number of dialysis sub-mode states
 };
 typedef enum Dialysis_States DIALYSIS_STATE_T;          ///< Type for dialysis states enumeration
@@ -428,6 +430,7 @@
 };
 typedef enum Saline_Commands SALINE_CMD_T;              ///< Type for saline command enum.
 
+#ifdef DIALYZER_REPRIME_ENABLED
 /// Enumeration of dialyzer reprime states.
 enum Dialyzer_Reprime_States
 {
@@ -439,6 +442,7 @@
     NUM_OF_DIALYZER_REPRIME_STATES                              ///< Number of dialyzer reprime states
 };
 typedef enum Dialyzer_Reprime_States DIALYZER_REPRIME_STATE_T;  ///< Type for dialyzer reprime state enumeration
+#endif
 
 /// Enumeration of ultrafiltration command IDs.
 enum UF_Commands
Index: MsgDefs.h
===================================================================
diff -u -r230942ccc98bb4af72e95c58a446d6175fd3145f -r9936079924d1d3f845def69f1156b52a5cacd4a9
--- MsgDefs.h	(.../MsgDefs.h)	(revision 230942ccc98bb4af72e95c58a446d6175fd3145f)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 9936079924d1d3f845def69f1156b52a5cacd4a9)
@@ -545,6 +545,7 @@
     REQUEST_REJECT_REASON_DG_RO_FILTER_TEMPERATURE_OUT_OF_RANGE = 50,   ///< DG RO filter temperature out of range
     REQUEST_REJECT_REASON_DG_INCOMPATIBLE = 51,                         ///< DG firmware version is not compatible with HD firmware
     REQUEST_REJECT_REASON_HEPARIN_PRESTOP_WITH_NO_DISPENSE = 52,        ///< Heparin settings are zero but pre-stop setting is non-zero
+    REQUEST_REJECT_REASON_DIALYZER_REPRIME_IN_PROGRESS = 53,            ///< Saline bolus is not allowed during dialyzer reprime
     NUM_OF_REQUEST_REJECT_REASONS                                       ///< Number of settings change reject codes
 };
 typedef enum Request_Reject_Reasons REQUEST_REJECT_REASON_CODE_T;       ///< Type for settings change rejection reason codes enumeration