diff --git a/tests/mockserver.py b/tests/mockserver.py
index 8aff7b525..15b1b24f5 100644
--- a/tests/mockserver.py
+++ b/tests/mockserver.py
@@ -1,6 +1,10 @@
-import sys, time, random, os, json
-from six.moves.urllib.parse import urlencode
+import json
+import os
+import random
+import sys
+import time
 from subprocess import Popen, PIPE
+from urllib.parse import urlencode
 
 from OpenSSL import SSL
 from twisted.web.server import Site, NOT_DONE_YET
diff --git a/tests/spiders.py b/tests/spiders.py
index 7816bf7c7..72a428c50 100644
--- a/tests/spiders.py
+++ b/tests/spiders.py
@@ -3,7 +3,7 @@ Some spiders used for testing and benchmarking
 """
 
 import time
-from six.moves.urllib.parse import urlencode
+from urllib.parse import urlencode
 
 from scrapy.spiders import Spider
 from scrapy.http import Request
diff --git a/tests/test_crawl.py b/tests/test_crawl.py
index 3fc13eeb7..3307899b7 100644
--- a/tests/test_crawl.py
+++ b/tests/test_crawl.py
@@ -140,7 +140,7 @@ class CrawlTestCase(TestCase):
     def test_unbounded_response(self):
         # Completeness of responses without Content-Length or Transfer-Encoding
         # can not be determined, we treat them as valid but flagged as "partial"
-        from six.moves.urllib.parse import urlencode
+        from urllib.parse import urlencode
         query = urlencode({'raw': '''\
 HTTP/1.1 200 OK
 Server: Apache-Coyote/1.1
diff --git a/tests/test_engine.py b/tests/test_engine.py
index d5b911a40..002c4e6bb 100644
--- a/tests/test_engine.py
+++ b/tests/test_engine.py
@@ -10,8 +10,10 @@ module with the ``runserver`` argument::
     python test_engine.py runserver
 """
 
-import sys, os, re
-from six.moves.urllib.parse import urlparse
+import os
+import re
+import sys
+from urllib.parse import urlparse
 
 from twisted.internet import reactor, defer
 from twisted.web import server, static, util
diff --git a/tests/test_exporters.py b/tests/test_exporters.py
index 7880c5bf8..f151a1285 100644
--- a/tests/test_exporters.py
+++ b/tests/test_exporters.py
@@ -1,11 +1,11 @@
 import re
 import json
 import marshal
+import pickle
 import tempfile
 import unittest
 from io import BytesIO
 from datetime import datetime
-from six.moves import cPickle as pickle
 
 import lxml.etree
 import six
diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py
index b13b16b41..7a71669c3 100644
--- a/tests/test_feedexport.py
+++ b/tests/test_feedexport.py
@@ -2,13 +2,13 @@ import os
 import csv
 import json
 import warnings
-from io import BytesIO
 import tempfile
 import shutil
 import string
+from io import BytesIO
 from unittest import mock
-from six.moves.urllib.parse import urljoin, urlparse, quote
-from six.moves.urllib.request import pathname2url
+from urllib.parse import urljoin, urlparse, quote
+from urllib.request import pathname2url
 
 from zope.interface.verify import verifyObject
 from twisted.trial import unittest
diff --git a/tests/test_http_cookies.py b/tests/test_http_cookies.py
index 0a9ed500a..45ddb42ba 100644
--- a/tests/test_http_cookies.py
+++ b/tests/test_http_cookies.py
@@ -1,4 +1,4 @@
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
 from unittest import TestCase
 
 from scrapy.http import Request, Response
diff --git a/tests/test_http_request.py b/tests/test_http_request.py
index 807265981..62d2847d7 100644
--- a/tests/test_http_request.py
+++ b/tests/test_http_request.py
@@ -3,12 +3,10 @@ import cgi
 import unittest
 import re
 import json
-from unittest import mock
-from urllib.parse import unquote_to_bytes
+import xmlrpc.client as xmlrpclib
 import warnings
-
-from six.moves import xmlrpc_client as xmlrpclib
-from six.moves.urllib.parse import urlparse, parse_qs, unquote
+from unittest import mock
+from urllib.parse import parse_qs, unquote, unquote_to_bytes, urlparse
 
 from scrapy.http import Request, FormRequest, XmlRpcRequest, JsonRequest, Headers, HtmlResponse
 from scrapy.utils.python import to_bytes, to_unicode
diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py
index bd40e4103..dede4bf12 100644
--- a/tests/test_pipeline_files.py
+++ b/tests/test_pipeline_files.py
@@ -4,9 +4,9 @@ import time
 from tempfile import mkdtemp
 from shutil import rmtree
 from unittest import mock
-from six.moves.urllib.parse import urlparse
-from six import BytesIO
+from urllib.parse import urlparse
 
+from six import BytesIO
 from twisted.trial import unittest
 from twisted.internet import defer
 
diff --git a/tests/test_proxy_connect.py b/tests/test_proxy_connect.py
index ae1236bcb..2b62a378d 100644
--- a/tests/test_proxy_connect.py
+++ b/tests/test_proxy_connect.py
@@ -1,15 +1,15 @@
 import json
 import os
 import time
-
-from six.moves.urllib.parse import urlsplit, urlunsplit
+from urllib.parse import urlsplit, urlunsplit
 from threading import Thread
+
 from libmproxy import controller, proxy
 from netlib import http_auth
 from testfixtures import LogCapture
-
 from twisted.internet import defer
 from twisted.trial.unittest import TestCase
+
 from scrapy.utils.test import get_crawler
 from scrapy.http import Request
 from tests.spiders import SimpleSpider, SingleRequestSpider
diff --git a/tests/test_spidermiddleware_offsite.py b/tests/test_spidermiddleware_offsite.py
index 7e4af0d4c..5833591af 100644
--- a/tests/test_spidermiddleware_offsite.py
+++ b/tests/test_spidermiddleware_offsite.py
@@ -1,13 +1,12 @@
 from unittest import TestCase
-
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
+import warnings
 
 from scrapy.http import Response, Request
 from scrapy.spiders import Spider
-from scrapy.spidermiddlewares.offsite import OffsiteMiddleware
-from scrapy.spidermiddlewares.offsite import URLWarning
+from scrapy.spidermiddlewares.offsite import OffsiteMiddleware, URLWarning
 from scrapy.utils.test import get_crawler
-import warnings
+
 
 class TestOffsiteMiddleware(TestCase):
 
diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py
index 21439c20e..23c38d9b1 100644
--- a/tests/test_spidermiddleware_referer.py
+++ b/tests/test_spidermiddleware_referer.py
@@ -1,4 +1,4 @@
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
 from unittest import TestCase
 import warnings
 
diff --git a/tests/test_urlparse_monkeypatches.py b/tests/test_urlparse_monkeypatches.py
index 22e39821c..bea0cf3e5 100644
--- a/tests/test_urlparse_monkeypatches.py
+++ b/tests/test_urlparse_monkeypatches.py
@@ -1,4 +1,4 @@
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
 import unittest
 
 
diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py
index 47877f555..8782e4c53 100644
--- a/tests/test_utils_datatypes.py
+++ b/tests/test_utils_datatypes.py
@@ -192,14 +192,6 @@ class SequenceExcludeTest(unittest.TestCase):
         self.assertIn(20, d)
         self.assertNotIn(15, d)
 
-    def test_six_range(self):
-        import six.moves
-        seq = six.moves.range(10**3, 10**6)
-        d = SequenceExclude(seq)
-        self.assertIn(10**2, d)
-        self.assertIn(10**7, d)
-        self.assertNotIn(10**4, d)
-
     def test_range_step(self):
         seq = range(10, 20, 3)
         d = SequenceExclude(seq)
diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py
index 003bb9b02..0d8c46657 100644
--- a/tests/test_utils_defer.py
+++ b/tests/test_utils_defer.py
@@ -5,8 +5,6 @@ from twisted.python.failure import Failure
 from scrapy.utils.defer import mustbe_deferred, process_chain, \
     process_chain_both, process_parallel, iter_errback
 
-from six.moves import xrange
-
 
 class MustbeDeferredTest(unittest.TestCase):
     def test_success_function(self):
@@ -83,7 +81,7 @@ class IterErrbackTest(unittest.TestCase):
 
     def test_iter_errback_good(self):
         def itergood():
-            for x in xrange(10):
+            for x in range(10):
                 yield x
 
         errors = []
@@ -93,7 +91,7 @@ class IterErrbackTest(unittest.TestCase):
 
     def test_iter_errback_bad(self):
         def iterbad():
-            for x in xrange(10):
+            for x in range(10):
                 if x == 5:
                     a = 1/0
                 yield x
diff --git a/tests/test_utils_httpobj.py b/tests/test_utils_httpobj.py
index 4f9f7a370..cf8ad1f23 100644
--- a/tests/test_utils_httpobj.py
+++ b/tests/test_utils_httpobj.py
@@ -1,9 +1,10 @@
 import unittest
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
 
 from scrapy.http import Request
 from scrapy.utils.httpobj import urlparse_cached
 
+
 class HttpobjUtilsTest(unittest.TestCase):
 
     def test_urlparse_cached(self):
diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py
index bea4dade3..6ebf290c0 100644
--- a/tests/test_utils_response.py
+++ b/tests/test_utils_response.py
@@ -1,12 +1,13 @@
 import os
 import unittest
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
 
 from scrapy.http import Response, TextResponse, HtmlResponse
 from scrapy.utils.python import to_bytes
 from scrapy.utils.response import (response_httprepr, open_in_browser,
                                    get_meta_refresh, get_base_url, response_status_message)
 
+
 __doctests__ = ['scrapy.utils.response']
 
 
diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py
index e6588055c..a8e37d7b8 100644
--- a/tests/test_utils_url.py
+++ b/tests/test_utils_url.py
@@ -1,14 +1,15 @@
 # -*- coding: utf-8 -*-
 import unittest
+from urllib.parse import urlparse
 
 import six
-from six.moves.urllib.parse import urlparse
 
 from scrapy.spiders import Spider
 from scrapy.utils.url import (url_is_from_any_domain, url_is_from_spider,
                               add_http_if_no_scheme, guess_scheme,
                               parse_url, strip_url)
 
+
 __doctests__ = ['scrapy.utils.url']