Index: firmware/App/Services/Messaging.h
===================================================================
diff -u -rf0ea13c1a9908920793be07a946dc366d2ab5019 -r421336466eff4ba9fef0ca5416043e5d83c63841
--- firmware/App/Services/Messaging.h	(.../Messaging.h)	(revision f0ea13c1a9908920793be07a946dc366d2ab5019)
+++ firmware/App/Services/Messaging.h	(.../Messaging.h)	(revision 421336466eff4ba9fef0ca5416043e5d83c63841)
@@ -81,71 +81,6 @@
     F32 ufRate;                 ///< UF rate in mL.
 } UF_SETTINGS_CONFIRMATION_RESPONSE_PAYLOAD_T;
 
-/// Payload record structure for treatment duration validate request.
-typedef struct
-{
-    U32 duration;               ///< Requested treatment duration in minutes.
-} DURATION_VALIDATE_REQUEST_PAYLOAD_T;
-
-/// Payload record structure for treatment duration confirm request.
-typedef struct
-{
-    U32 duration;               ///< Confirmed treatment duration in minutes.
-} DURATION_CONFIRM_REQUEST_PAYLOAD_T;
-
-/// Payload record structure for treatment duration change response.
-typedef struct
-{
-    BOOL accepted;              ///< Accepted/Rejected
-    U32 rejectionReason;        ///< Rejection reason if not accepted.
-    U32 duration;               ///< Treatment duration in minutes
-    F32 volume;                 ///< UF Volume in mL.
-} TREATMENT_TIME_CHANGE_RESPONSE_PAYLOAD_T;
-
-/// Payload record structure for treatment duration validate response.
-typedef struct
-{
-    BOOL accepted;              ///< Accepted/Rejected
-    U32 rejectionReason;        ///< Rejection reason if not accepted.
-    U32 duration;               ///< Treatment duration in minutes.
-    F32 ufVolumeGoal;           ///< UF volume goal in mL.
-    F32 ufRate;                 ///< UF rate in mL/min.
-} DURATION_VALIDATE_RESPONSE_PAYLOAD_T;
-
-/// Payload record structure for bolus volume change request.
-typedef struct
-{
-    U32 bolusVolume;   ///< Requested bolus volume (in mL)
-} BOLUS_VOLUME_CHANGE_REQUEST_PAYLOAD_T;
-
-/// Payload record structure for bolus volume change response.
-typedef struct
-{
-    BOOL accepted;              ///< Accepted/Rejected
-    U32 rejectionReason;        ///< Rejection reason if not accepted
-    U32 bolusVolume;            ///< Bolus volume (in mL)
-} BOLUS_VOLUME_CHANGE_RESPONSE_PAYLOAD_T;
-
-/// Payload record structure for pressure limit change request.
-typedef struct
-{
-    S32 arterialPressureLimitWindowMMHG;             ///< Arterial pressure limit window in mmHg.
-    S32 venousPressureLimitWindowMMHG;               ///< Venous pressure limit window in mmHg.
-    S32 venousAsymmetricPressureLimitWindowMMHG;     ///< Venous asymmetric pressure limit window in mmHg.
-    S32 tmpPressureLimitWindowMMHG;                  ///< TMP pressure limit window in mmHg.
-} PRESSURE_LIMIT_CHANGE_REQUEST_T;
-
-/// Payload record structure for pressure limit change response.
-typedef struct
-{
-    BOOL accepted;                                   ///< Accepted/Rejected
-    U32 rejectionReason;                             ///< Rejection reason if not accepted.
-    S32 arterialPressureLimitWindowMMHG;             ///< Arterial pressure limit window in mmHg.
-    S32 venousPressureLimitWindowMMHG;               ///< Venous pressure limit window in mmHg.
-    S32 venousAsymmetricPressureLimitWindowMMHG;     ///< Venous asymmetric pressure limit window in mmHg.
-    S32 tmpPressureLimitWindowMMHG;                  ///< TMP pressure limit window in mmHg.
-} PRESSURE_LIMIT_CHANGE_RESPONSE_T;
-
 /// Payload record structure for blood / dialysate rate change response.
 typedef struct
 {