diff --git a/config/devices.properties b/config/devices.properties
index b4be23a..b7036a7 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -13,9 +13,9 @@ apertureTable=ch.psi.pshell.dev.MotorGroupBase apertureX apertureY
 beamstopTable=ch.psi.pshell.dev.MotorGroupBase beamstopX beamstopY beamstopZ
 collimatorTable=ch.psi.pshell.dev.MotorGroupBase collimatorX collimatorY
 collimator=ch.psi.pshell.dev.MotorGroupDiscretePositioner collimatorTable
-slit1HBlade1=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRX2
-slit1HBlade2=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRX1
-slit1VBlade1=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRY1
-slit1VBlade2=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRY2
+slit1HBlade1=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRX2 false
+slit1HBlade2=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRX1 false
+slit1VBlade1=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRY1 false
+slit1VBlade2=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRY2 false
 slit1H=ch.psi.pshell.dev.Slit slit1HBlade1 slit1HBlade2
 slit1V=ch.psi.pshell.dev.Slit slit1VBlade1 slit1VBlade2