diff --git a/reference/mysqli/functions/mysqli-slave-query.xml b/reference/mysqli/functions/mysqli-slave-query.xml
deleted file mode 100644
index 7af1acf633..0000000000
--- a/reference/mysqli/functions/mysqli-slave-query.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
-  <refentry id="function.mysqli-slave-query">
-   <refnamediv>
-    <refname>mysqli_slave_query</refname>
-    <refpurpose>
-     Enforces execution of a query on a slave in a master/slave setup
-    </refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Description</title>
-     <methodsynopsis>
-      <type>bool</type><methodname>mysqli_slave_query</methodname>
-      <methodparam><type>resource</type><parameter>link</parameter></methodparam>
-      <methodparam><type>string</type><parameter>query</parameter></methodparam>
-     </methodsynopsis>
-
-    &warn.undocumented.func;
-
-   </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
--->