abstract formatting. HTML output

Given

 <chapter id="formats">
      <title>THE FORMATS</title>
      <section id="an1">
         <sectioninfo>
            <abstract>
               <para role="desc">DeLorme format</para>
            </abstract>
         </sectioninfo>


My driver has

  <xsl:template match="para[@role='desc']"/>

  <xsl:template match="section/sectioninfo/abstract" priority="7"/>


The html output has:

 <div class="section" lang="en">
               <div class="titlepage">
                  <div>
                     <div>
                        <h2 class="title" style="clear: both"><a name="an1"></a>AN1
                        </h2>
                     </div>
                     <div>
                        <div class="abstract">
                           <p class="title"><b>Abstract</b></p>
                        </div>
                     </div>
                  </div>
               </div>

How to get rid of the 'Abstract' title please?


regards DaveP