diff --git a/docs/conf.py b/docs/conf.py
index 48c8e859..fdb5b61d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #
 # MongoEngine documentation build configuration file, created by
 # sphinx-quickstart on Sun Nov 22 18:14:13 2009.
diff --git a/tests/document/test_class_methods.py b/tests/document/test_class_methods.py
index be883b2a..0276457c 100644
--- a/tests/document/test_class_methods.py
+++ b/tests/document/test_class_methods.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 
 from mongoengine import *
diff --git a/tests/document/test_delta.py b/tests/document/test_delta.py
index 94f89f99..ed3bb67b 100644
--- a/tests/document/test_delta.py
+++ b/tests/document/test_delta.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 
 from bson import SON
diff --git a/tests/document/test_indexes.py b/tests/document/test_indexes.py
index 45d1cd23..726eebe5 100644
--- a/tests/document/test_indexes.py
+++ b/tests/document/test_indexes.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 from datetime import datetime
 
diff --git a/tests/document/test_inheritance.py b/tests/document/test_inheritance.py
index 53a1489b..e7901f05 100644
--- a/tests/document/test_inheritance.py
+++ b/tests/document/test_inheritance.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 import warnings
 
diff --git a/tests/document/test_instance.py b/tests/document/test_instance.py
index 8d42d15b..9554659c 100644
--- a/tests/document/test_instance.py
+++ b/tests/document/test_instance.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import os
 import pickle
 import unittest
diff --git a/tests/document/test_validation.py b/tests/document/test_validation.py
index 2439f283..c4228a96 100644
--- a/tests/document/test_validation.py
+++ b/tests/document/test_validation.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 from datetime import datetime
 
diff --git a/tests/fields/test_binary_field.py b/tests/fields/test_binary_field.py
index a9c0c7e5..4f7af325 100644
--- a/tests/fields/test_binary_field.py
+++ b/tests/fields/test_binary_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import uuid
 
 from bson import Binary
diff --git a/tests/fields/test_boolean_field.py b/tests/fields/test_boolean_field.py
index 041f9f56..737e0dbf 100644
--- a/tests/fields/test_boolean_field.py
+++ b/tests/fields/test_boolean_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import pytest
 
 from mongoengine import *
diff --git a/tests/fields/test_cached_reference_field.py b/tests/fields/test_cached_reference_field.py
index bb4c57d2..dd804b38 100644
--- a/tests/fields/test_cached_reference_field.py
+++ b/tests/fields/test_cached_reference_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from decimal import Decimal
 
 import pytest
diff --git a/tests/fields/test_complex_datetime_field.py b/tests/fields/test_complex_datetime_field.py
index d118ad23..d8ae9175 100644
--- a/tests/fields/test_complex_datetime_field.py
+++ b/tests/fields/test_complex_datetime_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import datetime
 import itertools
 import math
diff --git a/tests/fields/test_date_field.py b/tests/fields/test_date_field.py
index 42a4b7f1..a98f222a 100644
--- a/tests/fields/test_date_field.py
+++ b/tests/fields/test_date_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import datetime
 
 import pytest
diff --git a/tests/fields/test_datetime_field.py b/tests/fields/test_datetime_field.py
index 48936af7..0858548c 100644
--- a/tests/fields/test_datetime_field.py
+++ b/tests/fields/test_datetime_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import datetime as dt
 
 import pytest
diff --git a/tests/fields/test_decimal_field.py b/tests/fields/test_decimal_field.py
index c531166f..a7cd09a2 100644
--- a/tests/fields/test_decimal_field.py
+++ b/tests/fields/test_decimal_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from decimal import Decimal
 
 import pytest
diff --git a/tests/fields/test_dict_field.py b/tests/fields/test_dict_field.py
index 12140916..05482107 100644
--- a/tests/fields/test_dict_field.py
+++ b/tests/fields/test_dict_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from bson import InvalidDocument
 import pytest
 
diff --git a/tests/fields/test_email_field.py b/tests/fields/test_email_field.py
index 5a58ede4..893180a4 100644
--- a/tests/fields/test_email_field.py
+++ b/tests/fields/test_email_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import sys
 
 import pytest
diff --git a/tests/fields/test_embedded_document_field.py b/tests/fields/test_embedded_document_field.py
index 13ca9c0b..e116dc0d 100644
--- a/tests/fields/test_embedded_document_field.py
+++ b/tests/fields/test_embedded_document_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import pytest
 
 from mongoengine import (
diff --git a/tests/fields/test_fields.py b/tests/fields/test_fields.py
index fe349d1e..aa530ced 100644
--- a/tests/fields/test_fields.py
+++ b/tests/fields/test_fields.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import datetime
 import unittest
 
diff --git a/tests/fields/test_file_field.py b/tests/fields/test_file_field.py
index cbac9b69..de10c987 100644
--- a/tests/fields/test_file_field.py
+++ b/tests/fields/test_file_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import copy
 import os
 import tempfile
diff --git a/tests/fields/test_float_field.py b/tests/fields/test_float_field.py
index 839494a9..817dcfeb 100644
--- a/tests/fields/test_float_field.py
+++ b/tests/fields/test_float_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import pytest
 
 from mongoengine import *
diff --git a/tests/fields/test_geo_fields.py b/tests/fields/test_geo_fields.py
index 7618b3a0..7960178e 100644
--- a/tests/fields/test_geo_fields.py
+++ b/tests/fields/test_geo_fields.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 
 from mongoengine import *
diff --git a/tests/fields/test_int_field.py b/tests/fields/test_int_field.py
index 1f9c5a77..529ae4db 100644
--- a/tests/fields/test_int_field.py
+++ b/tests/fields/test_int_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import pytest
 
 from mongoengine import *
diff --git a/tests/fields/test_lazy_reference_field.py b/tests/fields/test_lazy_reference_field.py
index 50e60262..07d4d3a9 100644
--- a/tests/fields/test_lazy_reference_field.py
+++ b/tests/fields/test_lazy_reference_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from bson import DBRef, ObjectId
 import pytest
 
diff --git a/tests/fields/test_map_field.py b/tests/fields/test_map_field.py
index 8b8b1c46..ea60e34d 100644
--- a/tests/fields/test_map_field.py
+++ b/tests/fields/test_map_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import datetime
 
 import pytest
diff --git a/tests/fields/test_reference_field.py b/tests/fields/test_reference_field.py
index 949eac67..24401ce0 100644
--- a/tests/fields/test_reference_field.py
+++ b/tests/fields/test_reference_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from bson import DBRef, SON
 import pytest
 
diff --git a/tests/fields/test_sequence_field.py b/tests/fields/test_sequence_field.py
index 81d648fd..b6b2917f 100644
--- a/tests/fields/test_sequence_field.py
+++ b/tests/fields/test_sequence_field.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from mongoengine import *
 
 from tests.utils import MongoDBTestCase
diff --git a/tests/fields/test_url_field.py b/tests/fields/test_url_field.py
index c449e467..50845b90 100644
--- a/tests/fields/test_url_field.py
+++ b/tests/fields/test_url_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import pytest
 
 from mongoengine import *
diff --git a/tests/fields/test_uuid_field.py b/tests/fields/test_uuid_field.py
index 21b7a090..0f3d2d84 100644
--- a/tests/fields/test_uuid_field.py
+++ b/tests/fields/test_uuid_field.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import uuid
 
 import pytest
diff --git a/tests/queryset/test_queryset.py b/tests/queryset/test_queryset.py
index 73c419b3..a2440302 100644
--- a/tests/queryset/test_queryset.py
+++ b/tests/queryset/test_queryset.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import datetime
 import unittest
 import uuid
diff --git a/tests/queryset/test_queryset_aggregation.py b/tests/queryset/test_queryset_aggregation.py
index 00e04a36..146501d0 100644
--- a/tests/queryset/test_queryset_aggregation.py
+++ b/tests/queryset/test_queryset_aggregation.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import unittest
 import warnings
 
diff --git a/tests/test_dereference.py b/tests/test_dereference.py
index 8ba429f4..c40cc0bd 100644
--- a/tests/test_dereference.py
+++ b/tests/test_dereference.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 
 from bson import DBRef, ObjectId
diff --git a/tests/test_signals.py b/tests/test_signals.py
index 64976e25..19707165 100644
--- a/tests/test_signals.py
+++ b/tests/test_signals.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import unittest
 
 from mongoengine import *