diff --git a/lib/classes/API/OAuth2/RefreshToken.php b/lib/classes/API/OAuth2/RefreshToken.php
deleted file mode 100644
index de9bae3a31..0000000000
--- a/lib/classes/API/OAuth2/RefreshToken.php
+++ /dev/null
@@ -1,139 +0,0 @@
-<?php
-
-/*
- * This file is part of Phraseanet
- *
- * (c) 2005-2014 Alchemy
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-use Alchemy\Phrasea\Application;
-
-class API_OAuth2_RefreshToken
-{
-    protected $app;
-    protected $token;
-    protected $account_id;
-    protected $account;
-    protected $expires;
-    protected $scope;
-
-    public function __construct(Application $app, $token)
-    {
-        $this->app = $app;
-        $this->token = $token;
-
-        $sql = 'SELECT api_account_id, UNIX_TIMESTAMP(expires) AS expires, scope
-            FROM api_oauth_refresh_tokens WHERE refresh_token = :token';
-
-        $stmt = $this->app['phraseanet.appbox']->get_connection()->prepare($sql);
-        $stmt->execute([':token' => $this->token]);
-        $row = $stmt->fetch(PDO::FETCH_ASSOC);
-        $stmt->closeCursor();
-
-        $this->account_id = (int) $row['api_account_id'];
-        $this->expires = $row['expires'];
-        $this->scope = $row['scope'];
-
-        return $this;
-    }
-
-    public function get_value()
-    {
-        return $this->token;
-    }
-
-    /**
-     *
-     * @return API_OAuth2_Account
-     */
-    public function get_account()
-    {
-        if (! $this->account) {
-            $this->account = new API_OAuth2_Account($this->app, $this->account_id);
-        }
-
-        return $this->account;
-    }
-
-    /**
-     *
-     * @return int
-     */
-    public function get_expires()
-    {
-        return $this->expires;
-    }
-
-    public function get_scope()
-    {
-        return $this->scope;
-    }
-
-    public function delete()
-    {
-        $sql = 'DELETE FROM api_oauth_refresh_tokens
-            WHERE refresh_token = :refresh_token';
-
-        $stmt = $this->app['phraseanet.appbox']->get_connection()->prepare($sql);
-        $stmt->execute([":refresh_token" => $this->token]);
-        $stmt->closeCursor();
-
-        return;
-    }
-
-    /**
-     *
-     * @param  Application        $app
-     * @param  API_OAuth2_Account $account
-     * @return array
-     */
-    public static function load_by_account(Application $app, API_OAuth2_Account $account)
-    {
-        $sql = 'SELECT refresh_token FROM api_oauth_refresh_tokens
-            WHERE api_account_id = :account_id';
-
-        $stmt = $app['phraseanet.appbox']->get_connection()->prepare($sql);
-        $stmt->execute([':account_id' => $account->get_id()]);
-        $rs = $stmt->fetchAll(PDO::FETCH_ASSOC);
-        $stmt->closeCursor();
-
-        $tokens = [];
-
-        foreach ($rs as $row) {
-            $tokens[] = new API_OAuth2_RefreshToken($app, $row['refresh_token']);
-        }
-
-        return $tokens;
-    }
-
-    /**
-     *
-     * @param  Application             $app
-     * @param  API_OAuth2_Account      $account
-     * @param  int                     $expires
-     * @param  type                    $refresh_token
-     * @param  type                    $scope
-     * @return API_OAuth2_RefreshToken
-     */
-    public static function create(Application $app, API_OAuth2_Account $account, $expires, $refresh_token, $scope)
-    {
-        $sql = 'INSERT INTO api_oauth_refresh_tokens
-              (refresh_token, api_account_id, expires, scope)
-            VALUES (:refresh_token, :account_id, :expires, :scope)';
-
-        $stmt = $app['phraseanet.appbox']->get_connection()->prepare($sql);
-        $params = [
-            ":refresh_token" => $refresh_token,
-            ":account_id"    => $account->get_id(),
-            ":expires"       => $expires,
-            ":scope"         => $scope
-        ];
-        $stmt->execute($params);
-        $stmt->closeCursor();
-
-        return new self($app, $refresh_token);
-    }
-}