diff --git a/xCAT-rmc/resources/mn/IBM.Condition/ISR_down.pm b/xCAT-rmc/resources/mn/IBM.Condition/ISR_down.pm
deleted file mode 100644
index adc74fd9f..000000000
--- a/xCAT-rmc/resources/mn/IBM.Condition/ISR_down.pm
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/usr/bin/perl
-
-$RES::Condition{'ISR_down'} = {
-	Name => q(ISR_down),
-	ResourceClass => q(IBM.Sensor),
-	EventExpression => q(SD.Uint32 != SD@P.Uint32 && SD.Int32>0),
-	RearmExpression => q(SD.Uint32 != SD@P.Uint32 && SD.Int32<0),	
-        EventDescription => q(ISR is unavailable for use due to severe hardware error.),
-	RearmDescription => q(ISR is back to normal.),
-        SelectionString => q(Name="ISR_status"),
-	ManagementScope => q(1),
-	Severity => q(1),
-        NoToggleExprFlag => q(1),
-};
-1;
diff --git a/xCAT-rmc/resources/mn/IBM.Sensor/ISR_status.pm b/xCAT-rmc/resources/mn/IBM.Sensor/ISR_status.pm
deleted file mode 100644
index 7eaac1823..000000000
--- a/xCAT-rmc/resources/mn/IBM.Sensor/ISR_status.pm
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/usr/bin/perl
-BEGIN
-{
-  $::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
-}
-
-$RES::Sensor{'ISR_status'} = {
-	Name => q(ISR_status),
-	Command => "/tmp/fake",
-	UserName => q(root),
-	RefreshInterval => q(0),
-	ControlFlags => q(0), #change to 8 for rsct 2.5.3.0 and greater
-	Description => q(This sensor is refreshed when an ISR is unavailable for use due to severe hardware error. It is also refreshed when ISR is back to normal.),
-};
-1;