diff --git a/config/session.php b/config/session.php
index ed0c5428183..bc79e9dec57 100644
--- a/config/session.php
+++ b/config/session.php
@@ -87,7 +87,7 @@
     |
     */
 
-    'connection' => env('SESSION_CONNECTION', null),
+    'connection' => env('SESSION_CONNECTION'),
 
     /*
     |--------------------------------------------------------------------------
@@ -115,7 +115,7 @@
     |
     */
 
-    'store' => env('SESSION_STORE', null),
+    'store' => env('SESSION_STORE'),
 
     /*
     |--------------------------------------------------------------------------
@@ -170,7 +170,7 @@
     |
     */
 
-    'domain' => env('SESSION_DOMAIN', null),
+    'domain' => env('SESSION_DOMAIN'),
 
     /*
     |--------------------------------------------------------------------------