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 dbb5e4e92..2a71d8087 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
@@ -27,7 +27,7 @@ The BMC IP address is obtained by the open range dhcp server and the plan in thi
 
 #. Detect the BMCs and add the node definitions into xCAT.
 
-   Use the ``bmcdiscover`` command to discover the BMCs responding over an IP range and automatically write the output into the xCAT database.  You **must** use the ``-t`` option to indicate node type is bmc and the ``-w`` option to automatically write the output into the xCAT database. 
+   Use the ``bmcdiscover`` command to discover the BMCs responding over an IP range and automatically write the output into the xCAT database.  You **must** use the ``-w`` option to automatically write the output into the xCAT database. 
 
    To discover the BMC with an IP address of 172.30.0.1, use the command: ::
 
diff --git a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
index 918423eac..80a5cf771 100644
--- a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
+++ b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
@@ -168,6 +168,7 @@ sub bmcdiscovery_processargs {
         'bmcpasswd|p=s' => \$::opt_P,
         'ipsource'      => \$::opt_S,
         'version|v'     => \$::opt_v,
+        't'             => \$::opt_T,
     );
 
     if (!$getopt_success) {
@@ -254,6 +255,13 @@ sub bmcdiscovery_processargs {
             return 1;
         }
 
+        if ($::opt_T) {
+            my $msg = "WARN: The -t option is deprecated and will be ignored";
+            my $rsp = {};
+            push @{ $rsp->{data} }, "$msg";
+            xCAT::MsgUtils->message("I", $rsp, $::CALLBACK);
+        }
+
         scan_process($::opt_M, $::opt_R, $::opt_Z, $::opt_W, $request_command);
         return 0;
     }