기본 레이아웃 스킨을 사용중이시라면,

xe/layouts/xe_official/layout.html 파일의 65행부터

            <!-- 왼쪽 2차 메뉴 -->
            <img src="./images/blank.gif" alt="" class="mask" />
            
            <!--@if($menu_1st)-->
            <ol id="lnb">
                {@ $idx = 1 }
                <!--@foreach($menu_1st['list'] as $key => $val)--><!--@if($val['link'])-->
                <li <!--@if($val['selected'])-->class="on"<!--@end-->><a href="{$val['href']}" <!--@if($val['open_window']=='Y')-->onclick="window.open(this.href);return false;"<!--@end-->>{$val['link']}</a>
 
                    <!-- main_menu 3차 시작 -->
                    <!--@if($val['list'] && ($val['expand']=='Y'||$val['selected']) )-->
                    <ul>
                    <!--@foreach($val['list'] as $k => $v)--><!--@if($v['link'])-->
                        <li <!--@if($v['selected'])-->class="on"<!--@end-->><a href="{$v['href']}" <!--@if($v['open_window']=='Y')-->onclick="window.open(this.href);return false;"<!--@end-->>{$v['link']}</a></li>
                    <!--@endif--><!--@endforeach-->
                    </ul>
                    <!--@endif-->
                </li>
                {@$idx++}
                <!--@endif--><!--@endforeach-->
            </ol>
            <!--@endif--> 

를 지워주세요.