diff --git a/controllers/front/AuthController.php b/controllers/front/AuthController.php
index 7ff21ca60..15f2be65d 100644
--- a/controllers/front/AuthController.php
+++ b/controllers/front/AuthController.php
@@ -417,19 +417,8 @@ class AuthControllerCore extends FrontController
 					else
 					{
 						if (!$customer->is_guest)
-						{
-							$customer->cleanGroups();
-							// we add the customer in the default customer group
-							$customer->addGroups(array((int)Configuration::get('PS_CUSTOMER_GROUP')));
 							if (!$this->sendConfirmationMail($customer))
 								$this->errors[] = Tools::displayError('Cannot send e-mail');
-						}
-						else
-						{
-							$customer->cleanGroups();
-							// we add the guest customer in the guest customer group
-							$customer->addGroups(array((int)Configuration::get('PS_GUEST_GROUP')));
-						}
 
 						$this->updateContext($customer);