diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
index a7efa1b19..be95f5d86 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
@@ -71,16 +71,6 @@ check:output=~64 bytes from $$CN
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
 cmd:xdsh $$CN "cat /test.synclist"
 check:rc==0
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "useradd -m xcatuser"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
-cmd:xdsh $$CN "userdel xcatuser"
-check:rc==0
 cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /tmp/test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=
 end
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
index c9b3a9a45..a21b71002 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
@@ -68,16 +68,6 @@ check:rc==0
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
 cmd:xdsh $$CN "cat /test.synclist"
 check:rc==0
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "useradd -m xcatuser"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
-cmd:xdsh $$CN "userdel xcatuser"
-check:rc==0
 cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=
 end
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
index 1dc6fdc8a..6fde471d5 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
@@ -72,16 +72,6 @@ check:rc==0
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
 cmd:xdsh $$CN  "cat /test.synclist"
 check:rc==0
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "useradd -m xcatuser"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
-cmd:xdsh $$CN "userdel xcatuser"
-check:rc==0
 cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
index 585a76a21..d846fca5a 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
@@ -73,16 +73,6 @@ cmd:rootimgdir=`lsdef -t osimage  __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,ar
 check:rc==0
 cmd:xdsh $$CN  "cat /test.synclist"
 check:rc==0
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "useradd -m xcatuser"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
-cmd:xdsh $$CN "userdel xcatuser"
-check:rc==0
 cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
index 54d600128..de1331b54 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
@@ -51,8 +51,6 @@ check:rc==0
 
 cmd:genimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute
 check:rc==0
-cmd:rootimagedir=`lsdef -t osimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute  -i  rootimgdir -c|awk -F"=" '{print $2}'`; chroot $rootimagedir/rootimg useradd xcatuser
-check:rc==0
 cmd:liteimg  __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute
 check:rc==0
 
@@ -83,12 +81,6 @@ check:output=~$$CN: $$CN
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
 cmd:xdsh $$CN "echo "test"> /test.statelite"
 check:rc!=0
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
 cmd:output=$(xdsh $$CN ls -al / |grep test.statelite);if [[ $? -eq 0 ]];then  xdsh $$CN rm -rf /test.tatelite;fi
 cmd:rootimgdir=`lsdef -t osimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir ]; then rm -rf $rootimgdir;fi
 check:rc==0
@@ -129,16 +121,6 @@ cmd:ping $$CN -c 3
 check:rc==0
 check:output=~64 bytes from $$CN
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "useradd -m xcatuser"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
-cmd:xdsh $$CN "userdel xcatuser"
-check:rc==0
 cmd:rm -rf /tmp/image;mkdir /tmp/image
 check:rc==0
 cmd:imgexport __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute /tmp/image/image.tgz
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
index 90d929feb..802491f64 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
@@ -69,8 +69,6 @@ check:rc==0
 
 cmd:genimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute
 check:rc==0
-cmd:rootimagedir=`lsdef -t osimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute  -i  rootimgdir -c|awk -F"=" '{print $2}'`; chroot $rootimagedir/rootimg useradd xcatuser
-check:rc==0
 cmd:liteimg __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute
 check:rc==0
 cmd:prsync /install $$SN:/
@@ -103,12 +101,6 @@ check:output=~$$CN: $$CN
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
 cmd:xdsh $$CN "echo "test"> /test.statelite"
 check:rc!=0
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
 cmd:output=$(xdsh $$CN ls -al / |grep test.statelite);if [[ $? -eq 0 ]];then  xdsh $$CN rm -rf /test.tatelite;fi
 cmd:rootimgdir=`lsdef -t osimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir ]; then rm -rf $rootimgdir;fi
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk
index 8c335a5c9..c61e15ac2 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk
@@ -93,16 +93,6 @@ cmd:xdsh $$CN hostname
 check:rc==0
 check:output=~$$CN: $$CN
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
-#add test for issue922
-cmd:xdsh $$CN  "ls -l /bin/ping"
-cmd:xdsh $$CN "ping -c 1 127.0.0.1"
-check:rc==0
-cmd:xdsh $$CN "useradd -m xcatuser"
-check:rc==0
-cmd:xdsh $$CN "su - xcatuser sh  -c \"ping -c 1 127.0.0.1\""
-check:rc==0
-cmd:xdsh $$CN "userdel xcatuser"
-check:rc==0
 cmd:rootimgdir=`lsdef -t osimage  __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir.regbak ]; then rm -rf $rootimgdir; mv $rootimgdir.regbak $rootimgdir; fi
 check:rc==0
 end