diff --git a/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
index e7bf8a4b8..924fe1c1c 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
@@ -201,7 +201,7 @@ elif [ -r /rootimg-statelite.gz ]; then
         MAXTRIES=5
         ITER=0
         if [ -z $MNTOPTS ]; then
-            MNT_OPTIONS="nolock,rsize=32768,tcp,nfsvers=3,timeo=14"
+            MNT_OPTIONS="nolock,rsize=32768,tcp,timeo=14"
         else
             MNT_OPTIONS=$MNTOPTS
         fi
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut_047/xcat-prepivot.sh b/xCAT-server/share/xcat/netboot/rh/dracut_047/xcat-prepivot.sh
index ef97a8562..c09dfe486 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut_047/xcat-prepivot.sh
+++ b/xCAT-server/share/xcat/netboot/rh/dracut_047/xcat-prepivot.sh
@@ -53,7 +53,7 @@ if [ ! -z $SNAPSHOTSERVER ]; then
     MAXTRIES=5
     ITER=0
     if [ -z $MNTOPTS ]; then
-        MNT_OPTIONS="nolock,rsize=32768,tcp,nfsvers=3,timeo=14"
+        MNT_OPTIONS="nolock,rsize=32768,tcp,timeo=14"
     else
         MNT_OPTIONS=$MNTOPTS
     fi
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot
index df2a16c7d..1956735dd 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot
@@ -202,7 +202,7 @@ elif [ -r /rootimg-statelite.gz ]; then
         MAXTRIES=5
         ITER=0
         if [ -z $MNTOPTS ]; then
-            MNT_OPTIONS="nolock,rsize=32768,tcp,nfsvers=3,timeo=14"
+            MNT_OPTIONS="nolock,rsize=32768,tcp,timeo=14"
         else
             MNT_OPTIONS=$MNTOPTS
         fi