diff --git a/lib/Config.php b/lib/Config.php
deleted file mode 100644
index d0c51ed..0000000
--- a/lib/Config.php
+++ /dev/null
@@ -1,189 +0,0 @@
-<?php
-
-namespace Garradin\Plugin\Facturation;
-
-use Garradin\DB;
-use Garradin\UserException;
-use Garradin\Utils;
-use Garradin\Plugin\Facturation\Facture;
-
-class Config
-{
-	protected $fields_types = null;
-	protected $config = null;
-	protected $modified = [];
-
-	static protected $_instance = null;
-
-	/**
-	 * Singleton simple
-	 * @return Config
-	 */
-	static public function getInstance()
-	{
-		return self::$_instance ?: self::$_instance = new Config;
-	}
-
-	static public function deleteInstance()
-	{
-		self::$_instance = null;
-	}
-
-	/**
-	 * Empêche de cloner l'objet
-	 * @return void
-	 */
-	private function __clone()
-	{
-	}
-
-	public function __construct()
-	{
-		// Définition des types de données stockées
-		$string = '';
-		$bool = false;
-		// $int = 0;
-		// $float = 0.0;
-		// $array = [];
-		// $object = new \stdClass;
-
-		$this->fields_types = [
-			'siret_asso'			=>  $string,
-			'validate_cp'			=>  $bool,
-			'unique_client_name'	=>  $bool,
-			'footer'				=>  $string
-		];
-
-		$db = DB::getInstance();
-
-		$this->config = $db->getAssoc('SELECT cle, valeur FROM plugin_facturation_config ORDER BY cle;');
-
-		foreach ($this->config as $key=>&$value)
-		{
-			if (!array_key_exists($key, $this->fields_types))
-			{
-				// Ancienne clé de config qui n'est plus utilisée
-				continue;
-			}
-
-			if (is_array($this->fields_types[$key]))
-			{
-				$value = explode(',', $value);
-			}
-			else
-			{
-				settype($value, gettype($this->fields_types[$key]));
-			}
-		}
-	}
-
-	public function save()
-	{
-		if (empty($this->modified))
-			return true;
-
-		$values = [];
-		$db = DB::getInstance();
-		// $db->begin();
-
-		foreach ($this->modified as $key=>$modified)
-		{
-			$value = $this->config[$key];
-
-			if (is_array($value))
-			{
-				$value = implode(',', $value);
-	    }
-	    elseif (is_object($value))
-	    {
-		    $value = (string) $value;
-	    }
-
-	    $db->exec('INSERT OR REPLACE INTO plugin_facturation_config (cle, valeur) VALUES (\''.$key.'\', \''.$value.'\');');
-		}
-
-	// $db->commit();
-
-	$this->modified = [];
-
-	return true;
-	}
-
-	public function set($key, $value)
-	{
-		if (!array_key_exists($key, $this->fields_types))
-		{
-			throw new \OutOfBoundsException('Ce champ est inconnu.');
-	}
-
-	if (is_array($this->fields_types[$key]))
-	{
-		$value = !empty($value) ? (array) $value : [];
-	}
-	elseif (is_int($this->fields_types[$key]))
-	{
-		$value = (int) $value;
-	}
-	elseif (is_float($this->fields_types[$key]))
-	{
-		$value = (float) $value;
-	}
-	elseif (is_bool($this->fields_types[$key]))
-	{
-		$value = (bool) $value;
-	}
-	elseif (is_string($this->fields_types[$key]))
-	{
-		$value = (string) $value;
-	}
-
-	// switch ($key)
-	// {
-	//     case 'siret_asso':
-	//     {
-	//         if (!trim($value))
-	//         {
-	//             throw new UserException('Le nom de l\'association ne peut rester vide.');
-	//         }
-	//         break;
-	// 	}
-	// 	case 'footer':
-	// 		break;
-	//     default:
-	//         break;
-	// }
-
-	if (!isset($this->config[$key]) || $value !== $this->config[$key])
-	{
-		$this->config[$key] = $value;
-		$this->modified[$key] = true;
-	}
-
-	return true;
-	}
-
-	public function get($key)
-	{
-		if (!array_key_exists($key, $this->fields_types))
-		{
-			throw new \OutOfBoundsException('Ce champ est inconnu.');
-	}
-
-	if (!array_key_exists($key, $this->config))
-	{
-		return null;
-	}
-
-	return $this->config[$key];
-	}
-
-    public function getFieldsTypes()
-    {
-	    return $this->fields_types;
-    }
-
-    public function getConfig()
-    {
-	    return $this->config;
-    }
-}