Index: firmware/App/Services/TDInterface.h
===================================================================
diff -u -r008d18e14db9f73782072e42a71ff364915c5f83 -r29d3293a57a9a4d6a3b9aae2c41ea33f9cfde2a7
--- firmware/App/Services/TDInterface.h	(.../TDInterface.h)	(revision 008d18e14db9f73782072e42a71ff364915c5f83)
+++ firmware/App/Services/TDInterface.h	(.../TDInterface.h)	(revision 29d3293a57a9a4d6a3b9aae2c41ea33f9cfde2a7)
@@ -32,6 +32,13 @@
  */
 
 // ********** public definitions **********
+/// DD command response data record structure.
+typedef struct
+{
+    U32 commandID;                                                           ///< The command DG is responding to
+    BOOL rejected;                                                           ///< Flag indicates if the command has been rejected
+    U32 rejectCode;                                                          ///< Reason code for rejecting the command
+} DD_CMD_RESPONSE_T;
 
 // ********** public function prototypes **********
 
@@ -41,9 +48,6 @@
 BOOL handleDialysateDeliveryRequestMsg( MESSAGE_T *message );
 BOOL handlePreGenDialysateRequestMsg( MESSAGE_T *message );
 BOOL handleTDCommandRequest( MESSAGE_T *message );
-BOOL handleTDRequestDDFlush( MESSAGE_T *message );
-BOOL handleTDRequestDDHeatDisinfect( MESSAGE_T *message );
-BOOL handleTDRequestDDHeatDisinfectActiveCool( MESSAGE_T *message );
 
 void setTDOpMode( U32 opMode, U32 subMode );
 void setTDDialysateFlowrate( F32 dialFlowrate );