diff --git a/xCAT-server/lib/xcat/plugins/DButils.pm b/xCAT-server/lib/xcat/plugins/DButils.pm
deleted file mode 100644
index 282232f23..000000000
--- a/xCAT-server/lib/xcat/plugins/DButils.pm
+++ /dev/null
@@ -1,171 +0,0 @@
-# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
-#####################################################
-#
-#  xCAT plugin package to handle various commands that work with the
-#     xCAT tables for an XML interface 
-#
-#####################################################
-package xCAT_plugin::DButils;
-use strict;
-use warnings;
-use xCAT::Table;
-use xCAT::Schema;
-use Data::Dumper;
-use xCAT::NodeRange qw/noderange abbreviate_noderange/;
-use xCAT::Schema;
-use xCAT::Utils;
-use XML::Simple; #smaller than libxml....
-$XML::Simple::PREFERRED_PARSER='XML::Parser';
-use Getopt::Long;
-1;
-
-#some quick aliases to table/value
-my %shortnames = (
-                  groups => [qw(nodelist groups)],
-                  tags   => [qw(nodelist groups)],
-                  mgt    => [qw(nodehm mgt)],
-                  #switch => [qw(switch switch)],
-                  );
-
-#####################################################
-# Return list of commands handled by this plugin
-#####################################################
-sub handled_commands
-{
-    return {
-            getAllEntries     => "DButils",
-            getNodesAttribs    => "DButils"
-            };
-}
-
-
-#####################################################
-# Process the command
-#####################################################
-sub process_request
-{
-    my $request  = shift;
-    my $callback = shift;
-    my $command  = $request->{command}->[0];
-    if ($command eq "getAllEntries")
-    {
-        return getAllEntries($request,$callback);
-    }
-    elsif ($command eq "getNodesAttribs") 
-    {
-        return getNodesAttribs($request,$callback);
-    }
-    else
-    {
-        print "$command not implemented yet\n";
-        return (1, "$command not written yet");
-    }
-
-}
-#
-# Read all the rows from the input table name and returns the response, so 
-# that the XML will look like this
-#<xcatresponse>
-#<rowN>
-#<attr1>value1</attr1>
-#.
-#.
-#.
-#<attrN>valueN</attrN>
-#</rowN>
-#.
-#.
-#.
-#</xcatresponse>
-#  
-#
-sub getAllEntries
-{
-    my $request      = shift;
-    my $cb = shift;
-    my $command  = $request->{command}->[0];
-    my $tablename    = $request->{table}->[0];
-    my $tab=xCAT::Table->new($tablename);
-    my %rsp;
-    my $recs        =   $tab->getAllEntries("all");
-    unless (@$recs)        # table exists, but is empty.  Show header.
-    {
-	  if (defined($xCAT::Schema::tabspec{$tablename}))
-  	  {
-         my $header = "#";
-	      my @array =@{$xCAT::Schema::tabspec{$tablename}->{cols}};
-         foreach my $arow (@array) {
-           $header .= $arow;
-           $header .= ",";
-         }
-         chop $header;
-         push @{$rsp{row}}, $header;
-	      $cb->(\%rsp);
-	      return;
-	  }
-	}
-    my %noderecs;
-      foreach my $rec (@$recs) { 
-        my %datseg=();
-        foreach my $key (keys %$rec) {
-         #$datseg{$key} = [$rec->{$key}];
-         $datseg{$key} = $rec->{$key};
-        }
-        push @{$noderecs{"row"}}, \%datseg;
-      }
-      push @{$rsp{"row"}}, @{$noderecs{"row"}};
-# for checkin XML created
-#my  $xmlrec=XMLout(\%rsp,RootName=>'xcatresponse',NoAttr=>1,KeyAttr=>[]);
-       $cb->(\%rsp);
-
-        return;
-}
-# Read all the array of  attributes for the noderange  from the input table. 
-#<xcatresponse>
-#<node>
-#<name> nodename </name>
-#<attr1>value1</attr1>
-#.
-#.
-#.
-#<attrN>valueN</attrN>
-#</node>
-#.
-#.
-#.
-#</xcatresponse>
-#  
-#
-sub getNodesAttribs 
-{
-    my $request      = shift;
-    my $cb = shift;
-    my $node    = $request->{node};
-    my $command  = $request->{command}->[0];
-    my $tablename    = $request->{table}->[0];
-    my $attr    = $request->{attr};
-    my $tab=xCAT::Table->new($tablename);
-    my @nodes = @$node;
-    my @attrs= @$attr;
-    my %rsp;
-    my %noderecs;
-    my $rechash        =   $tab->getNodesAttribs(\@nodes,\@attrs);
-    foreach my $node (@nodes){
-       my %datseg=();
-       $datseg{name} = [$node];
-       my $recs = $rechash->{$node};
-       foreach my $rec (@$recs) { 
-         foreach my $key (keys %$rec) {
-            $datseg{$key} = [$rec->{$key}];
-         }
-         push @{$noderecs{$node}}, \%datseg;
-       }
-       push @{$rsp{"node"}}, @{$noderecs{$node}};
-
-    }
-# for checkin XML created
-#my  $xmlrec=XMLout(\%rsp,RootName=>'xcatresponse',NoAttr=>1,KeyAttr=>[]);
-       $cb->(\%rsp);
-        return;
-}
-