diff --git a/reference/apd/functions/apd-rename-function.xml b/reference/apd/functions/apd-rename-function.xml
deleted file mode 100644
index 7358d95f6a..0000000000
--- a/reference/apd/functions/apd-rename-function.xml
+++ /dev/null
@@ -1,54 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
-<!-- splitted from ./en/functions/apd.xml, last change in rev 1.4 -->
-  <refentry id="function.apd-rename-function">
-   <refnamediv>
-    <refname>rename_function</refname>
-    <refpurpose>Renames orig_name to new_name in the global function_table</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Description</title>
-     <methodsynopsis>
-      <methodname>rename_function</methodname>
-      <methodparam><type>string</type><parameter>original_name</parameter></methodparam>
-      <methodparam><type>string</type><parameter>new_name</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Renames orig_name to new_name in the global function_table.  Useful
-     for temporarily overriding builtin functions.
-    </para>
-    <para>
-     <example>
-      <title><function>rename_function</function> example</title>
-      <programlisting role="php">
-<![CDATA[
-<?php
-rename_function('mysql_connect', 'debug_mysql_connect' );
-?>
-]]>
-      </programlisting>
-     </example>
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
-sgml-shorttag:t
-sgml-minimize-attributes:nil
-sgml-always-quote-attributes:t
-sgml-indent-step:1
-sgml-indent-data:t
-indent-tabs-mode:nil
-sgml-parent-document:nil
-sgml-default-dtd-file:"../../../../manual.ced"
-sgml-exposed-tags:nil
-sgml-local-catalogs:nil
-sgml-local-ecat-files:nil
-End:
-vim600: syn=xml fen fdm=syntax fdl=2 si
-vim: et tw=78 syn=sgml
-vi: ts=1 sw=1
--->