diff --git a/xCAT-test/autotest/testcase/installation/linux_sn_installation_ppc64_redhat b/xCAT-test/autotest/testcase/installation/linux_sn_installation_ppc64_redhat
deleted file mode 100644
index 8e14b0bd7..000000000
--- a/xCAT-test/autotest/testcase/installation/linux_sn_installation_ppc64_redhat
+++ /dev/null
@@ -1,63 +0,0 @@
-start:Linux_sn_installation_ppc64_redhat
-os:Linux
-cmd:chdef -t node -p $$SN groups=lpar,all
-check:rc==0
-cmd:chdef -t group -o service arch=PPC64  os=$$SNOS nodetype=osi profile=service netboot=yaboot installnic=mac primarynic=mac setupnfs=1 setupdhcp=1 setuptftp=1 setupnameserver=1 setupconserver=1
-check:rc==0
-cmd:chdef -t group -p service postscripts=servicenode,odbcsetup
-check:rc==0
-cmd:makedns -n
-check:rc==0
-cmd:makeconservercf
-check:rc==0
-cmd:cat /etc/conserver.cf | grep $$SN
-check:output=~$$SN
-cmd:sleep 20
-cmd:getmacs -D $$SN
-check:rc==0
-cmd:makedhcp -n
-check:rc==0
-cmd:makedhcp -a
-check:rc==0
-cmd:cat /var/lib/dhcpd/dhcpd.leases| grep $$SN
-check:output=~$$SN
-cmd:chdef -t site clustersite installloc="/install"
-check:rc==0
-cmd:mkdir -p /install/post/otherpkgs/$$SNOS/ppc64/xcat
-check:rc==0
-cmd:cp -r $$XCATCORE  /install/post/otherpkgs/$$SNOS/ppc64/xcat
-check:rc==0
-cmd:cp -r $$XCATDEP  /install/post/otherpkgs/$$SNOS/ppc64/xcat
-check:rc==0
-cmd:cd /install/post/otherpkgs/$$SNOS/ppc64/xcat/xcat-core && createrepo .
-check:rc==0
-cmd:cd /install/post/otherpkgs/$$SNOS/ppc64/xcat/xcat-dep/rh6/ppc64 && createrepo .
-check:rc==0
-cmd:cd /install/$$SNOS/ppc64/Server/repodata && createrepo -g *comps-rhel6-Server.xml.gz .
-check:rc==0
-cmd:nodeset service osimage=__GETNODEATTR($$SN,os)__-__GETNODEATTR($$SN,arch)__-install-service
-check:rc==0
-cmd:rnetboot service
-check:rc==0
-cmd:sleep 1200
-cmd:ping $$SN -c 3
-check:output=~64 bytes from $$SN
-cmd:lsdef -l $$CN | grep status
-check:output=~booted
-cmd:xdsh $$SN date
-check:rc==0
-check:output=~\d\d:\d\d:\d\d
-cmd:xdsh $$SN "ps -ef |grep xcatd"
-check:rc==0
-check:output=~xcatd:
-cmd:xdsh $$SN "lsdef"
-check:rc==0
-check:output=~$$SN: $$SN
-cmd:xdsh $$SN "mount"
-check:rc==0
-check:output=~/install on /install
-cmd:xdsh $$SN "mount"
-check:rc==0
-check:output=~/tftpboot on /tftpbootl
-end
-
diff --git a/xCAT-test/autotest/testcase/makedns/cases0 b/xCAT-test/autotest/testcase/makedns/cases0
index 5c2e5ad9f..2b8182877 100644
--- a/xCAT-test/autotest/testcase/makedns/cases0
+++ b/xCAT-test/autotest/testcase/makedns/cases0
@@ -72,7 +72,7 @@ check:rc==0
 cmd:cat /etc/bind/named.conf 
 check:rc==0
 check:output~=zone "100.100.100.IN-ADDR.ARPA."
-cmd:nslookup dnstestnode 
+cmd:nslookup dnstestnode $$MN 
 check:output~=Server:             $$MN
 check:output!~(server can't find dnstestnode)
 cmd:rm -f /etc/hosts