diff --git a/mailgun/__manifest__.py b/mailgun/__manifest__.py
index 2234dcf..2530336 100644
--- a/mailgun/__manifest__.py
+++ b/mailgun/__manifest__.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Copyright 2018 Ildar Nasyrov <https://it-projects.info/team/iledarn>
 # License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
 {
diff --git a/mailgun/models/__init__.py b/mailgun/models/__init__.py
index a048595..4964261 100644
--- a/mailgun/models/__init__.py
+++ b/mailgun/models/__init__.py
@@ -1,4 +1,2 @@
-# -*- coding: utf-8 -*-
-
 from . import mail_thread
 from . import ir_config_parameter
diff --git a/mailgun/models/ir_config_parameter.py b/mailgun/models/ir_config_parameter.py
index 97a5e73..98ab8f4 100644
--- a/mailgun/models/ir_config_parameter.py
+++ b/mailgun/models/ir_config_parameter.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import requests
 import simplejson
 
diff --git a/mailgun/models/mail_thread.py b/mailgun/models/mail_thread.py
index 04d33fa..e23abe9 100644
--- a/mailgun/models/mail_thread.py
+++ b/mailgun/models/mail_thread.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import requests
 
 from odoo import models, api