diff --git a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst
index a310c908e..d9fe7c2a0 100644
--- a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst
+++ b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst
@@ -69,8 +69,6 @@ The BMC IP address is obtained by the open range dhcp server and the plan in thi
         mgt=ipmi
         mtm=8247-22L
         serial=10112CA
-        nodetype=mp
-        hwtype=bmc
 
 
 #. Edit the ``predefined.stanzas`` file and change the discovered nodes to the intended ``hostname`` and ``IP address``. 
@@ -87,7 +85,7 @@ The BMC IP address is obtained by the open range dhcp server and the plan in thi
 
           ip=10.1.2.1
 
-    #. Remove ``nodetype`` and ``hwtype`` from ``predefined.stanza`` file based on the MTMS mapping.
+    #. Remove ``nodetype`` and ``hwtype`` if defined in the ``predefined.stanza``.
 
     #. Repeat for additional nodes in the ``predefined.stanza`` file based on the MTMS mapping.
 
diff --git a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
index ecf5449f4..54d7ce8b7 100644
--- a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
+++ b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
@@ -645,10 +645,6 @@ sub format_stanza {
         if ($bmcpass) {
             $result .= "\tbmcpassword=$bmcpass\n";
         }
-        if ($nodetype && $hwtype) {
-            $result .= "\tnodetype=$nodetype\n";
-            $result .= "\thwtype=$hwtype\n";
-        }
         my $rsp = {};
         push @{ $rsp->{data} }, "$result";
         xCAT::MsgUtils->message("I", $rsp, $::CALLBACK);