diff --git a/src/Mail/MailerServiceProvider.php b/src/Mail/MailerServiceProvider.php
index 70725afd..52c0c1ab 100644
--- a/src/Mail/MailerServiceProvider.php
+++ b/src/Mail/MailerServiceProvider.php
@@ -72,9 +72,6 @@ class MailerServiceProvider extends ServiceProvider
             'host'       => $config['host'],
             'port'       => $config['port'],
             'encryption' => $config['encryption'],
-            // TODO: The security variable should be removed in the future
-            // https://github.com/swiftmailer/swiftmailer/commit/d3d6a98ab7dc155a04eb08273db7cd34606e7b5e#commitcomment-30462876
-            'security'   => $config['encryption'],
         ]);
 
         if ($config['username']) {