diff --git a/Account/Group.php b/Account/Group.php
index 7cd93fae0..fde961c6a 100644
--- a/Account/Group.php
+++ b/Account/Group.php
@@ -85,14 +85,6 @@ class Group implements ArrayableInterface, \JsonSerializable
      */
     protected $permissions = [];
 
-    /**
-     * Created at.
-     *
-     * @var \DateTime
-     * @since 1.0.0
-     */
-    protected $createdAt = null;
-
     /**
      * Constructor.
      *
@@ -220,7 +212,6 @@ class Group implements ArrayableInterface, \JsonSerializable
             'id'          => $this->id,
             'name'        => $this->name,
             'description' => $this->description,
-            'createdBy'   => $this->createdBy,
             'permissions' => $this->permissions,
             'members'     => $this->members,
         ];