diff --git a/lang/en_utf8/error.php b/lang/en_utf8/error.php
index 57cf7f5c62d..7ce6f43d55b 100644
--- a/lang/en_utf8/error.php
+++ b/lang/en_utf8/error.php
@@ -481,15 +481,6 @@ $string['wrongsourcebase'] = 'Wrong source URL base';
 $string['wrongusernamepassword'] = 'Wrong user/password';
 $string['wrongzipfilename'] = 'Wrong ZIP file name';
 $string['wscouldnotcreateecoursenopermission'] = 'WS - Could not create course - No permission';
-$string['wscouldnotcreateeusernopermission'] = 'WS - Could not create a user - No permission';
-$string['wscouldnotdeletenoexistinguser'] = 'WS - Could not delete a user - User doesn\'t exist';
-$string['wscouldnotdeleteusernopermission'] = 'WS - Could not delete a user - No permission';
-$string['wscouldnotupdatenoexistinguser'] = 'WS - Could not update a user - User doesn\'t exist';
-$string['wscouldnotupdateuserindb'] = 'WS - Could not update a user';
-$string['wscouldnotupdateusernopermission'] = 'WS - Could not update a user - No permission';
-$string['wscouldnotvieweusernopermission'] = 'WS - Could not view a user - No permission';
-$string['wsdescriptionserviceisempty'] = 'Error during web service discovery process: \'<b>$a->functionname()</b>\' function of \'<b>$a->classname</b>\' class doesn\'t specify any \'service\' into its description';
-$string['wsdoesntextendbaseclass'] = 'Error during web service discovery process: \'<b>$a</b>\' class does not extend from moodle_external class';
 $string['wwwrootmismatch'] = 'Incorrect access detected, this server may be accessed only through \"$a\" address, sorry.<br />Please notify server administrator.';
 $string['wwwrootslash'] = 'Detected incorrect \$CFG->wwwroot in config.php, it must not contain trailing slash.<br />Please notify server administrator.';
 $string['xmldberror'] = 'XMLDB error!';
diff --git a/user/external.php b/user/external.php
deleted file mode 100644
index a6bacc356dc..00000000000
--- a/user/external.php
+++ /dev/null
@@ -1,134 +0,0 @@
-<?php
-/**
- * Moodle - Modular Object-Oriented Dynamic Learning Environment
- *         http://moodle.com
- *
- * LICENSE
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details:
- *
- *         http://www.gnu.org/copyleft/gpl.html
- *
- * @category  Moodle
- * @package   user
- * @copyright Copyright (c) 1999 onwards Martin Dougiamas     http://dougiamas.com
- * @license   http://www.gnu.org/copyleft/gpl.html     GNU GPL License
- */
-
-
-die('this file is being migrated to exxternallib.php right now...');
-
-require_once(dirname(dirname(__FILE__)) . '/lib/moodleexternal.php');
-require_once(dirname(dirname(__FILE__)) . '/user/lib.php');
-
-/**
- * users webservice api
- *
- * @author Jerome Mouneyrac
- */
-final class user_external extends moodle_external {
-
-/**
- * Constructor - We set the description of this API in order to be access by Web service
- */
-    function __construct () {
-        $this->descriptions = array();
-
-        $params = new object();
-        $params->usernames = array(PARAM_ALPHANUMEXT);
-        $return = new object();
-        $return->result = PARAM_BOOL;
-        $this->descriptions['delete_users']   = array( 'params' => $params,
-            'optionalparams' => 'All params are not mandatory',
-            'return' => $return,
-            'service' => 'user',
-            'requiredlogin' => 0);
-
-        $user->newusername = PARAM_ALPHANUMEXT;
-        $params = new object();
-        $params->users = array($user);
-        $this->descriptions['update_users']   = array( 'params' => $params,
-            'optionalparams' => 'All params are not mandatory',
-            'return' => $return,
-            'service' => 'user',
-            'requiredlogin' => 0);
-    }
-
-    /**
-     * Delete multiple users
-     * @global object $DB
-     * @param object|struct $params - need to be define as struct for XMLRPC
-     * @return boolean result true if success
-     */
-    public function delete_users($params) {
-        global $DB,$USER;
-        $deletionsuccessfull = true;
-        if (has_capability('moodle/user:delete', get_context_instance(CONTEXT_SYSTEM))) {
-
-            $this->clean_function_params('delete_users', $params);
-
-            foreach ($params->usernames as $username) {
-                $user = $DB->get_record('user', array('username'=>$username, 'mnethostid'=>1));
-
-                if (empty($user)) {
-                    throw new moodle_exception('wscouldnotdeletenoexistinguser');
-                }
-
-                if (!delete_user($user)) {
-                    $deletionsuccessfull = false; //this function is in moodlelib.php
-                }
-            }
-            return $deletionsuccessfull;
-        }
-        else {
-            throw new moodle_exception('wscouldnotdeleteusernopermission');
-        }
-    }
-
-    /**
-     * Update some users information
-     * @global object $DB
-     * @param object|struct $params - need to be define as struct for XMLRPC
-     * @return boolean result true if success
-     */
-    public function update_users($params) {
-        global $DB,$USER;
-        if (has_capability('moodle/user:update', get_context_instance(CONTEXT_SYSTEM))) {
-            $updatesuccessfull = true;
-
-            $this->clean_function_params('update_users', $params);
-
-            foreach ($params->users as $paramuser) {
-
-                $user = $DB->get_record('user', array('username'=> $paramuser->username, 'mnethostid'=>1));
-
-                if (empty($user)) {
-                    throw new moodle_exception('wscouldnotupdatenoexistinguser');
-                }
-                $user->username = $paramuser->newusername;
-                try {
-                    $DB->update_record('user', $user);
-                }
-                catch (dml_write_exception $e) {
-                    throw new moodle_exception('wscouldnotupdateuserindb');
-                }
-            }
-            return $updatesuccessfull;
-        }
-        else {
-            throw new moodle_exception('wscouldnotupdateusernopermission');
-        }
-
-    }
-
-}
-
-
diff --git a/user/externallib.php b/user/externallib.php
index ee8d84711d1..eeddfe25f98 100644
--- a/user/externallib.php
+++ b/user/externallib.php
@@ -152,25 +152,48 @@ class moodle_user_external extends external_api {
     }
 
 
+    /**
+     * Returns description of method parameters
+     * @return external_function_parameters
+     */
     public static function delete_users_parameters() {
-        //TODO
+        return new external_function_parameters(
+            array(
+                'userids' => new external_multiple_structure(new external_value(PARAM_INT, 'user ID')),
+            )
+        );
     }
+
     public static function delete_users($params) {
         //TODO
     }
+
+   /**
+     * Returns description of method result value
+     * @return external_description
+     */
     public static function delete_users_returns() {
-        //TODO
+        return null;
     }
 
 
+    /**
+     * Returns description of method parameters
+     * @return external_function_parameters
+     */
     public static function update_users_parameters() {
         //TODO
     }
     public static function update_users($params) {
         //TODO
     }
+
+   /**
+     * Returns description of method result value
+     * @return external_description
+     */
     public static function update_users_returns() {
-        //TODO
+        return null;
     }
 
     /**
@@ -185,6 +208,7 @@ class moodle_user_external extends external_api {
         );
     }
 
+
     /**
      * Get user information
      *