diff --git a/src/App/Models/TwoStepAuth.php b/src/App/Models/TwoStepAuth.php
index b64e23e..192b58e 100644
--- a/src/App/Models/TwoStepAuth.php
+++ b/src/App/Models/TwoStepAuth.php
@@ -36,18 +36,6 @@ class TwoStepAuth extends Model
         'id',
     ];
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $dates = [
-        'created_at',
-        'updated_at',
-        'requestDate',
-        'authDate',
-    ];
-
     /**
      * Fillable fields for a Profile.
      *
@@ -63,10 +51,12 @@ class TwoStepAuth extends Model
     ];
 
     protected $casts = [
-        'userId'     => 'integer',
-        'authCode'   => 'string',
-        'authCount'  => 'integer',
-        'authStatus' => 'boolean',
+        'userId'      => 'integer',
+        'authCode'    => 'string',
+        'authCount'   => 'integer',
+        'authStatus'  => 'boolean',
+        'requestDate' => 'datetime',
+        'authDate'    => 'datetime',
     ];
 
     /**