diff --git a/config/devices.properties b/config/devices.properties
index 7d9e83c..58a39f4 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -13,11 +13,7 @@ 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 false
-slit1HBlade2=ch.psi.pshell.epics.Motor X10SA-OP-SH1:TRX1 false
-slit1VBlade1=ch.psi.pshell.epics.Motor X10SA-OP-SV1:TRY1 false
-slit1VBlade2=ch.psi.pshell.epics.Motor X10SA-OP-SV1:TRY2 false
-slit1H=ch.psi.pshell.dev.Slit slit1HBlade1 slit1HBlade2
-slit1V=ch.psi.pshell.dev.Slit slit1VBlade1 slit1VBlade2
+slit1H=ch.psi.pshell.dev.Slit X10SA-OP-SH1:TRX2 X10SA-OP-SH1:TRX1 false
+slit1V=ch.psi.pshell.dev.Slit X10SA-OP-SV1:TRY1 X10SA-OP-SV1:TRY2 false
 slit2H=ch.psi.pshell.epics.Slit X10SA-OP-SH2:TRX2 X10SA-OP-SH2:TRX1 false
 slit2V=ch.psi.pshell.epics.Slit X10SA-OP-SV2:TRY1 X10SA-OP-SV2:TRY2 false