diff --git a/payment_redsys/__init__.py b/payment_redsys/__init__.py
index dde6f25c72..625eb32b08 100644
--- a/payment_redsys/__init__.py
+++ b/payment_redsys/__init__.py
@@ -19,5 +19,5 @@
 #
 ##############################################################################
 
-import models
-import controllers
+from . import models
+from . import controllers
diff --git a/payment_redsys/controllers/__init__.py b/payment_redsys/controllers/__init__.py
index bbd183e955..65a8c12013 100644
--- a/payment_redsys/controllers/__init__.py
+++ b/payment_redsys/controllers/__init__.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-import main
+from . import main
diff --git a/payment_redsys/models/redsys.py b/payment_redsys/models/redsys.py
index 061c1abcbd..165cfa2c81 100644
--- a/payment_redsys/models/redsys.py
+++ b/payment_redsys/models/redsys.py
@@ -102,7 +102,6 @@ def get_value(key):
 
     @api.model
     def redsys_form_generate_values(self, id, partner_values, tx_values):
-        base_url = self.env['ir.config_parameter'].get_param('web.base.url')
         acquirer = self.browse(id)
         redsys_tx_values = dict(tx_values)
         redsys_tx_values.update({