Index: firmware/App/Controllers/SyringePump.c
===================================================================
diff -u -r754427f339e660b7fa688e5e3becc587b30518a8 -r563f516a81cb41290008f93b33e7cf5e121717db
--- firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision 754427f339e660b7fa688e5e3becc587b30518a8)
+++ firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision 563f516a81cb41290008f93b33e7cf5e121717db)
@@ -60,11 +60,7 @@
 #define MIN_HEPARIN_BOLUS_RATE                        1.2                                   ///< Minimum Heparin bolus flow rate (in mL/hr).
 #define MAX_HEPARIN_BOLUS_RATE                        24.0                                  ///< Maximum Heparin bolus flow rate (in mL/hr).
 #define HEPARIN_BOLUS_TIME_HR                         ( 5.0 / MIN_PER_HOUR )                ///< Duration (in hours) of Heparin bolus.
-#ifndef SLOW_SYRINGE_RETRACT
-#define SYRINGE_PUMP_RETRACT_RATE                     10800.0                               ///< Retract rate is 15 mL/ 5 s = 3 mL/s = 10,800 mL/hr.
-#else
 #define SYRINGE_PUMP_RETRACT_RATE                     3600.0                                ///< Retract rate is 5 mL/ 5 s = 1 mL/s = 3,600 mL/hr.
-#endif
 #define SYRINGE_PUMP_SEEK_RATE                        3600.0                                ///< Seek plunger rate is 5 mL/ 5 s = 1 mL/s = 3,600 mL/hr.
 #define SYRINGE_PUMP_PRIME_RATE                       635.0                                 ///< Prime rate is 0.5 mm ^ 2 x PI x 450 mm = 0.353 mL / 2s = 635 mL/hr.
 #define SYRINGE_PUMP_MAX_RATE                         11000.0                               ///< Maximum rate of the syringe pump (in mL/hr).