Index: en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
+++ en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
@@ -619,26 +619,6 @@
       &os;.</para>
   </sect1>
 
-  <sect1 xml:id="uses-gecko">
-    <title><literal>gecko</literal></title>
-
-    <para>Possible arguments: <literal>libxul</literal> (default),
-      <literal>firefox</literal>, <literal>seamonkey</literal>,
-      <literal>thunderbird</literal>, <literal>build</literal>,
-      <literal><replaceable>XY</replaceable></literal>,
-      <literal><replaceable>XY</replaceable>+</literal></para>
-
-    <para>Add a dependency on different
-      <application>gecko</application> based applications.  If
-      <literal>libxul</literal> is used, it is the only argument
-      allowed.  When the argument is not <literal>libxul</literal>,
-      the <literal>firefox</literal>, <literal>seamonkey</literal>, or
-      <literal>thunderbird</literal> arguments can be used, along with
-      optional <literal>build</literal> and
-      <literal><replaceable>XY</replaceable></literal>/<literal><replaceable>XY</replaceable>+</literal>
-      version arguments.</para>
-  </sect1>
-
   <sect1 xml:id="uses-gem">
     <title><literal>gem</literal></title>