diff --git a/htdocs/sql/libraries/sanitizing.lib.php b/htdocs/sql/libraries/sanitizing.lib.php
deleted file mode 100755
--- a/htdocs/sql/libraries/sanitizing.lib.php
+++ /dev/null
@@ -1,70 +0,0 @@
-<?php
-/* vim: set expandtab sw=4 ts=4 sts=4: */
-/**
- *
- * @version $Id: sanitizing.lib.php 10298 2007-04-17 17:08:12Z lem9 $
- */
-
-/**
- * Sanitizes $message, taking into account our special codes
- * for formatting
- *
- * @uses    preg_replace()
- * @uses    strtr()
- * @param   string   the message
- *
- * @return  string   the sanitized message
- *
- * @access  public
- */
-function PMA_sanitize($message)
-{
-    $replace_pairs = array(
-        '<'         => '&lt;',
-        '>'         => '&gt;',
-        '[i]'       => '<em>',      // deprecated by em
-        '[/i]'      => '</em>',     // deprecated by em
-        '[em]'      => '<em>',
-        '[/em]'     => '</em>',
-        '[b]'       => '<strong>',  // deprecated by strong
-        '[/b]'      => '</strong>', // deprecated by strong
-        '[strong]'  => '<strong>',
-        '[/strong]' => '</strong>',
-        '[tt]'      => '<code>',    // deprecated by CODE or KBD
-        '[/tt]'     => '</code>',   // deprecated by CODE or KBD
-        '[code]'    => '<code>',
-        '[/code]'   => '</code>',
-        '[kbd]'     => '<kbd>',
-        '[/kbd]'    => '</kbd>',
-        '[br]'      => '<br />',
-        '[/a]'      => '</a>',
-        '[sup]'      => '<sup>',
-        '[/sup]'      => '</sup>',
-    );
-    $message = strtr($message, $replace_pairs);
-
-    $pattern = '/\[a@([^"@]*)@([^]"]*)\]/';
-
-    if (preg_match_all($pattern, $message, $founds, PREG_SET_ORDER)) {
-        $valid_links = array(
-            'http',  // default http:// links (and https://)
-            './Do',  // ./Documentation
-        );
-
-        foreach ($founds as $found) {
-            // only http... and ./Do... allowed
-            if (! in_array(substr($found[1], 0, 4), $valid_links)) {
-                return $message;
-            }
-            // a-z and _ allowed in target
-            if (! empty($found[2]) && preg_match('/[^a-z_]+/i', $found[2])) {
-                return $message;
-            }
-        }
-
-        $message = preg_replace($pattern, '<a href="\1" target="\2">', $message);
-    }
-
-    return $message;
-}
-?>