diff --git a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
index 350294aff..918423eac 100644
--- a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
+++ b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
@@ -115,7 +115,7 @@ sub bmcdiscovery_usage {
     push @{ $rsp->{data} }, "Usage:";
     push @{ $rsp->{data} }, "\tbmcdiscover [-?|-h|--help]";
     push @{ $rsp->{data} }, "\tbmcdiscover [-v|--version]";
-    push @{ $rsp->{data} }, "\tbmcdiscover [-s scan_method] [-u bmc_user] [-p bmc_passwd] [-z] [-w] [-t] --range ip_range\n";
+    push @{ $rsp->{data} }, "\tbmcdiscover [-s scan_method] [-u bmc_user] [-p bmc_passwd] [-z] [-w] --range ip_range\n";
 
     push @{ $rsp->{data} }, "\tCheck BMC administrator User/Password:\n";
     push @{ $rsp->{data} }, "\t\tbmcdiscover -u bmc_user -p bmc_password -i bmc_ip --check\n";
@@ -168,7 +168,6 @@ sub bmcdiscovery_processargs {
         'bmcpasswd|p=s' => \$::opt_P,
         'ipsource'      => \$::opt_S,
         'version|v'     => \$::opt_v,
-        't'             => \$::opt_T,
     );
 
     if (!$getopt_success) {
@@ -935,9 +934,7 @@ sub bmcdiscovery_ipmi {
             } else {
                 $ip .= ",,";
             }
-            if ($::opt_T) {
-                $ip .= ",mp,bmc";
-            }
+            $ip .= ",mp,bmc";
             if ($mtm and $serial) {
                 $node = "node-$mtm-$serial";
                 $node =~ s/(.*)/\L$1/g;