Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r577c1eebf77a2e0b827ef5678daa017c639b0f24 -r7f9fd35d20fd0b54771cc7d8b6e0af7f34f8ff91
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 577c1eebf77a2e0b827ef5678daa017c639b0f24)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 7f9fd35d20fd0b54771cc7d8b6e0af7f34f8ff91)
@@ -79,8 +79,6 @@
 #define VENOUS_PRESSURE_OCCL_OFFSET_MMHG    ( 50.0F )                                       ///< Venous pressure occlusion threshold offset from max alarm limit (in mmHg).
 #define VENOUS_PRES_AT_FILL_DELAY_MAX_BLOOD_VOL_ML    ( 41.667F )                           ///< Venous pressure low exemption delay after air trap fill maximum blood volume (in mL).
 
-#define MIN_BLOOD_FLOW_FOR_VENOUS_PRES      ( 0.90*MIN_SET_BLOOD_FLOW_RATE )                ///< Minimum blood flow to establish venous pressure in a good range.
-
 /// Venous pressure low exemption period (in task intervals) conversion factor (from Qb in mL/min) following an air trap fill.
 static const U32 VENOUS_PRES_AT_FILL_DELAY_FACTOR = (U32)( VENOUS_PRES_AT_FILL_DELAY_MAX_BLOOD_VOL_ML * (F32)SEC_PER_MIN * ( (F32)MS_PER_SECOND / (F32)TASK_GENERAL_INTERVAL ) );