diff --git a/src/Gateway.php b/src/Gateway.php
index e82db54..e63a1e0 100644
--- a/src/Gateway.php
+++ b/src/Gateway.php
@@ -17,13 +17,6 @@
  * @since   1.0.0
  */
 class Gateway extends Core_Gateway {
-	/**
-	 * Slug of this gateway
-	 *
-	 * @var string
-	 */
-	const SLUG = 'pay_nl';
-
 	/**
 	 * Client.
 	 *
@@ -40,7 +33,6 @@ public function __construct( Config $config ) {
 		parent::__construct( $config );
 
 		$this->set_method( self::METHOD_HTTP_REDIRECT );
-		$this->set_slug( self::SLUG );
 
 		// Supported features.
 		$this->supports = array(