Index: firmware/App/Modes/SelfTests.c
===================================================================
diff -u -rba7a576375ad7bbfa0d5a879d82b8783e5182899 -rfeaae35e827b3ffeb5d0de9df41ba2390d058849
--- firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision ba7a576375ad7bbfa0d5a879d82b8783e5182899)
+++ firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision feaae35e827b3ffeb5d0de9df41ba2390d058849)
@@ -214,7 +214,11 @@
     F32 const bolusVol = getTreatmentParameterF32( TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME );
     F32 const hepRate = getTreatmentParameterF32( TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME );
 
+#ifndef DISABLE_SYRINGE_PUMP
     useHeparin = ( ( bolusVol > 0.0 ) || ( hepRate > 0.0 ) );
+#else
+    useHeparin = FALSE;
+#endif
     currentNoCartSelfTestsState = NO_CART_SELF_TESTS_START_STATE;
     runPumpStartTime = 0;
     havePumpsStarted = FALSE;
@@ -333,7 +337,11 @@
     F32 const bolusVol = getTreatmentParameterF32( TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME );
     F32 const hepRate = getTreatmentParameterF32( TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME );
 
+#ifndef DISABLE_SYRINGE_PUMP
     useHeparin = ( ( bolusVol > 0.0 ) || ( hepRate > 0.0 ) );
+#else
+    useHeparin = FALSE;
+#endif
     currentDrySelfTestsState = DRY_SELF_TESTS_START_STATE;
     pressureSelfTestBloodPumpRunStartTime = 0;
     pressureSelfTestNormalizedStartTime = 0;