diff --git a/inc/auth/punbb.class.php b/inc/auth/punbb.class.php
deleted file mode 100644
index 7cef0d733b2e98a5dd35eaddc3a9001ff7477cce..0000000000000000000000000000000000000000
--- a/inc/auth/punbb.class.php
+++ /dev/null
@@ -1,164 +0,0 @@
-<?php
-/**
- * PunBB auth backend
- *
- * Uses external Trust mechanism to check against PunBB's
- * user cookie. PunBB's PUN_ROOT must be defined correctly.
- *
- * @author    Andreas Gohr <andi@splitbrain.org>
- */
-
-if(!defined('PUN_ROOT')) define('PUN_ROOT', DOKU_INC.'../forum/');
-if(get_magic_quotes_gpc()){
-  nice_die('Sorry the punbb auth backend requires the PHP option
-  <a href="http://www.php.net/manual/en/ref.info.php#ini.magic-quotes-gpc">magic_quotes_gpc</a>
-  to be disabled for proper operation. Either setup your PHP install accordingly or
-  choose a different auth backend.');
-}
-
-require_once PUN_ROOT.'include/common.php';
-require_once DOKU_INC.'inc/auth/mysql.class.php';
-
-#dbg($GLOBALS);
-#dbg($pun_user);
-
-class auth_punbb extends auth_mysql {
-
-  /**
-   * Constructor.
-   *
-   * Sets additional capabilities and config strings
-   */
-  function auth_punbb(){
-    global $conf;
-    $this->cando['external'] = true;
-    $this->cando['logoff']   = true;
-
-    // make sure we use a crypt understood by punbb
-    if(function_exists('sha1')){
-      $conf['passcrypt'] = 'sha1';
-    }else{
-      $conf['passcrypt'] = 'md5';
-    }
-
-    // get global vars from PunBB config
-    global $db_host;
-    global $db_name;
-    global $db_username;
-    global $db_password;
-    global $db_prefix;
-
-    // now set up the mysql config strings
-    $conf['auth']['mysql']['server']   = $db_host;
-    $conf['auth']['mysql']['user']     = $db_username;
-    $conf['auth']['mysql']['password'] = $db_password;
-    $conf['auth']['mysql']['database'] = $db_name;
-
-    $conf['auth']['mysql']['checkPass']   = "SELECT u.password AS pass
-                                               FROM ${db_prefix}users AS u, ${db_prefix}groups AS g
-                                              WHERE u.group_id = g.g_id
-                                                AND u.username = '%{user}'
-                                                AND g.g_title   != 'Guest'";
-    $conf['auth']['mysql']['getUserInfo'] = "SELECT password AS pass, realname AS name, email AS mail,
-                                                    id, g_title as `group`
-                                               FROM ${db_prefix}users AS u, ${db_prefix}groups AS g
-                                              WHERE u.group_id = g.g_id
-                                                AND u.username = '%{user}'";
-    $conf['auth']['mysql']['getGroups']   = "SELECT g.g_title as `group`
-                                               FROM ${db_prefix}users AS u, ${db_prefix}groups AS g
-                                              WHERE u.group_id = g.g_id
-                                                AND u.username = '%{user}'";
-    $conf['auth']['mysql']['getUsers']    = "SELECT DISTINCT u.username AS user
-                                               FROM ${db_prefix}users AS u, ${db_prefix}groups AS g
-                                              WHERE u.group_id = g.g_id";
-    $conf['auth']['mysql']['FilterLogin'] = "u.username LIKE '%{user}'";
-    $conf['auth']['mysql']['FilterName']  = "u.realname LIKE '%{name}'";
-    $conf['auth']['mysql']['FilterEmail'] = "u.email    LIKE '%{email}'";
-    $conf['auth']['mysql']['FilterGroup'] = "g.g_title    LIKE '%{group}'";
-    $conf['auth']['mysql']['SortOrder']   = "ORDER BY u.username";
-    $conf['auth']['mysql']['addUser']     = "INSERT INTO ${db_prefix}users
-                                                    (username, password, email, realname)
-                                             VALUES ('%{user}', '%{pass}', '%{email}', '%{name}')";
-    $conf['auth']['mysql']['addGroup']    = "INSERT INTO ${db_prefix}groups (g_title) VALUES ('%{group}')";
-    $conf['auth']['mysql']['addUserGroup']= "UPDATE ${db_prefix}users
-                                                SET group_id=%{gid}
-                                              WHERE id='%{uid}'";
-    $conf['auth']['mysql']['delGroup']    = "DELETE FROM ${db_prefix}groups WHERE g_id='%{gid}'";
-    $conf['auth']['mysql']['getUserID']   = "SELECT id FROM ${db_prefix}users WHERE username='%{user}'";
-    $conf['auth']['mysql']['updateUser']  = "UPDATE ${db_prefix}users SET";
-    $conf['auth']['mysql']['UpdateLogin'] = "username='%{user}'";
-    $conf['auth']['mysql']['UpdatePass']  = "password='%{pass}'";
-    $conf['auth']['mysql']['UpdateEmail'] = "email='%{email}'";
-    $conf['auth']['mysql']['UpdateName']  = "realname='%{name}'";
-    $conf['auth']['mysql']['UpdateTarget']= "WHERE id=%{uid}";
-    $conf['auth']['mysql']['delUserGroup']= "UPDATE ${db_prefix}users SET g_id=4 WHERE id=%{uid}";
-    $conf['auth']['mysql']['getGroupID']  = "SELECT g_id AS id FROM ${db_prefix}groups WHERE g_title='%{group}'";
-
-    $conf['auth']['mysql']['TablesToLock']= array("${db_prefix}users", "${db_prefix}users AS u",
-                                                  "${db_prefix}groups", "${db_prefix}groups AS g");
-
-    $conf['auth']['mysql']['debug'] = 1;
-    // call mysql constructor
-    $this->auth_mysql();
-  }
-
-  /**
-   * Just checks against the $pun_user variable
-   */
-  function trustExternal($user,$pass,$sticky=false){
-    global $USERINFO;
-    global $conf;
-    global $lang;
-    global $pun_user;
-    global $pun_config;
-    $sticky ? $sticky = true : $sticky = false; //sanity check
-
-    // someone used the login form
-    if(!empty($user)){
-      if($this->checkPass($user,$pass)){
-        $expire = ($sticky) ? time() + 31536000 : 0;
-        $uinfo  = $this->getUserData($user);
-        pun_setcookie($uinfo['id'], auth_cryptPassword($pass), $expire);
-        $pun_user = array();
-        $pun_user['password'] = auth_cryptPassword($pass);
-        $pun_user['username'] = $user;
-        $pun_user['realname'] = $uinfo['name'];
-        $pun_user['email']    = $uinfo['mail'];
-        $pun_user['g_title']  = $uinfo['group'];
-      }else{
-        //invalid credentials - log off
-        msg($lang['badlogin'],-1);
-        auth_logoff();
-        return false;
-      }
-    }
-
-    if(isset($pun_user) && !$pun_user['is_guest']){
-      // okay we're logged in - set the globals
-      $USERINFO['pass'] = $pun_user['password'];
-      $USERINFO['name'] = $pun_user['realname'];
-      $USERINFO['mail'] = $pun_user['email'];
-      $USERINFO['grps'] = array($pun_user['g_title']);
-
-      $_SERVER['REMOTE_USER'] = $pun_user['username'];
-      $_SESSION[DOKU_COOKIE]['auth']['user'] = $pun_user['username'];
-      $_SESSION[DOKU_COOKIE]['auth']['info'] = $USERINFO;
-      return true;
-    }
-
-    // to be sure
-    auth_logoff();
-    return false;
-  }
-
-  /**
-   * remove punbb cookie on logout
-   */
-  function logOff(){
-    global $pun_user;
-    $pun_user = array();
-    $pun_user['is_guest'] = 1;
-    pun_setcookie(1, random_pass(8), time() + 31536000);
-  }
-}
-//Setup VIM: ex: et ts=2 enc=utf-8 :