diff --git a/xCAT-server/sbin/xcatconfig b/xCAT-server/sbin/xcatconfig
index 1bd3631ad..fcdd758e8 100755
--- a/xCAT-server/sbin/xcatconfig
+++ b/xCAT-server/sbin/xcatconfig
@@ -993,7 +993,6 @@ sub initDB
         $chtabcmds .= "$::XCATROOT/sbin/chtab key=dnshandler site.value=ddns;";
         $chtabcmds .= "$::XCATROOT/sbin/chtab key=vsftp site.value=y;";
         $chtabcmds .= "$::XCATROOT/sbin/chtab key=cleanupxcatpost site.value=no;";
-        $chtabcmds .= "$::XCATROOT/sbin/chtab key=useDNSonMN site.value=1;";
 
         if ($::osname eq 'AIX')
         {
@@ -1250,18 +1249,6 @@ sub initDB
             }
         }
 
-        my $cmds = "$::XCATROOT/sbin/tabdump site|grep useDNSonMN";
-        $outref = xCAT::Utils->runcmd("$cmds", -1);
-        if ($::RUNCMD_RC != 0)
-        {
-            # set site.useDNSonMN
-            $cmds = "$::XCATROOT/sbin/chtab key=useDNSonMN site.value=1;";
-            $outref = xCAT::Utils->runcmd("$cmds", 0);
-            if ($::RUNCMD_RC != 0)
-            {
-                xCAT::MsgUtils->message('E',"Could not set site.useDNSonMN.");
-            }
-        }
     }
 }    # end initial DB install setup