Index: firmware/App/Controllers/BoostPump.h
===================================================================
diff -u -r9f1f5a95111b55ee99bbdcd60a2c8b4cc088237c -r9b970fd909c38f64f034cda1ffa793b9e1c8c365
--- firmware/App/Controllers/BoostPump.h	(.../BoostPump.h)	(revision 9f1f5a95111b55ee99bbdcd60a2c8b4cc088237c)
+++ firmware/App/Controllers/BoostPump.h	(.../BoostPump.h)	(revision 9b970fd909c38f64f034cda1ffa793b9e1c8c365)
@@ -35,11 +35,8 @@
 #define MAX_BOOST_FLOWRATE_MLPM                      1500        ///< Maximum target Boost flow rate in mL/min.
 #define MIN_BOOST_FLOWRATE_MLPM                      0           ///< Minimum target Boost flow rate in mL/min.
 #define MAX_BOOST_PRESSURE_PSI                       40.0F       ///< Maximum allowed pressure that the Boost pump can go to.
-#define MIN_BOOST_PRESSURE_PSI                       10.0F       ///< Minimum allowed pressure that the Boost pump can go to.
+#define MIN_BOOST_PRESSURE_PSI                       0.0F        ///< Minimum allowed pressure that the Boost pump can go to.
 
-#define BOOST_FLOW_TO_PWM(flow)                       ( BOOST_FLOW_TO_PWM_SLOPE * flow + BOOST_FLOW_TO_PWM_INTERCEPT )             ///< PWM line equation for flow.
-#define BOOST_PRESSURE_TO_PWM(pres)                   ( BOOST_PRESSURE_TO_PWM_SLOPE * pres + BOOST_PRESSURE_TO_PWM_INTERCEPT )     ///< PWM line equation for pressure.
-
 /// Boost pump data record.
 typedef struct
 {