diff --git a/Provider.php b/Provider.php
index d00f6a3..952d601 100644
--- a/Provider.php
+++ b/Provider.php
@@ -3,12 +3,11 @@
 namespace SocialiteProviders\Steam;
 
 use Illuminate\Support\Arr;
-use Laravel\Socialite\Two\ProviderInterface;
 use LightOpenID;
 use SocialiteProviders\Manager\OAuth2\AbstractProvider;
 use SocialiteProviders\Manager\OAuth2\User;
 
-class Provider extends AbstractProvider implements ProviderInterface
+class Provider extends AbstractProvider
 {
     /**
      * Unique Provider Identifier.