diff --git a/tests/test_description.py b/tests/test_description.py
index 65cf01aa6..ae00fe4a9 100644
--- a/tests/test_description.py
+++ b/tests/test_description.py
@@ -153,7 +153,7 @@ class TestViewNamesAndDescriptions(TestCase):
         # use a mock object instead of gettext_lazy to ensure that we can't end
         # up with a test case string in our l10n catalog
 
-        class MockLazyStr(object):
+        class MockLazyStr:
             def __init__(self, string):
                 self.s = string
 
diff --git a/tests/test_encoders.py b/tests/test_encoders.py
index 12eca8105..c66954b80 100644
--- a/tests/test_encoders.py
+++ b/tests/test_encoders.py
@@ -10,7 +10,7 @@ from rest_framework.compat import coreapi
 from rest_framework.utils.encoders import JSONEncoder
 
 
-class MockList(object):
+class MockList:
     def tolist(self):
         return [1, 2, 3]
 
diff --git a/tests/test_fields.py b/tests/test_fields.py
index 12c936b22..1e04883de 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -192,7 +192,7 @@ class TestSource:
         class ExampleSerializer(serializers.Serializer):
             example_field = serializers.CharField(source='example_callable')
 
-        class ExampleInstance(object):
+        class ExampleInstance:
             def example_callable(self):
                 return 'example callable value'
 
@@ -203,7 +203,7 @@ class TestSource:
         class ExampleSerializer(serializers.Serializer):
             example_field = serializers.CharField(source='example_callable', read_only=True)
 
-        class ExampleInstance(object):
+        class ExampleInstance:
             def example_callable(self):
                 raise AttributeError('method call failed')
 
diff --git a/tests/test_generateschema.py b/tests/test_generateschema.py
index 915c6ea05..d09b668ec 100644
--- a/tests/test_generateschema.py
+++ b/tests/test_generateschema.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import pytest
 from django.conf.urls import url
 from django.core.management import call_command
diff --git a/tests/test_htmlrenderer.py b/tests/test_htmlrenderer.py
index fdce39f23..9ae3d0b8f 100644
--- a/tests/test_htmlrenderer.py
+++ b/tests/test_htmlrenderer.py
@@ -45,7 +45,7 @@ urlpatterns = [
 @override_settings(ROOT_URLCONF='tests.test_htmlrenderer')
 class TemplateHTMLRendererTests(TestCase):
     def setUp(self):
-        class MockResponse(object):
+        class MockResponse:
             template_name = None
         self.mock_response = MockResponse()
         self._monkey_patch_get_template()
@@ -103,14 +103,14 @@ class TemplateHTMLRendererTests(TestCase):
     def test_get_template_names_returns_view_template_name(self):
         renderer = TemplateHTMLRenderer()
 
-        class MockResponse(object):
+        class MockResponse:
             template_name = None
 
-        class MockView(object):
+        class MockView:
             def get_template_names(self):
                 return ['template from get_template_names method']
 
-        class MockView2(object):
+        class MockView2:
             template_name = 'template from template_name attribute'
 
         template_name = renderer.get_template_names(self.mock_response,
diff --git a/tests/test_middleware.py b/tests/test_middleware.py
index 9df7d8e3e..28a5e558a 100644
--- a/tests/test_middleware.py
+++ b/tests/test_middleware.py
@@ -22,7 +22,7 @@ urlpatterns = [
 ]
 
 
-class RequestUserMiddleware(object):
+class RequestUserMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
 
@@ -34,7 +34,7 @@ class RequestUserMiddleware(object):
         return response
 
 
-class RequestPOSTMiddleware(object):
+class RequestPOSTMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
 
diff --git a/tests/test_negotiation.py b/tests/test_negotiation.py
index d74a10063..089a86c62 100644
--- a/tests/test_negotiation.py
+++ b/tests/test_negotiation.py
@@ -78,7 +78,7 @@ class TestAcceptedMediaType(TestCase):
         assert str(mediatype) == 'test/*; foo=bar'
 
     def test_raise_error_if_no_suitable_renderers_found(self):
-        class MockRenderer(object):
+        class MockRenderer:
             format = 'xml'
         renderers = [MockRenderer()]
         with pytest.raises(Http404):
diff --git a/tests/test_pagination.py b/tests/test_pagination.py
index e377beade..e1804c2a1 100644
--- a/tests/test_pagination.py
+++ b/tests/test_pagination.py
@@ -795,11 +795,11 @@ class TestCursorPagination(CursorPaginationTestsMixin):
     """
 
     def setup(self):
-        class MockObject(object):
+        class MockObject:
             def __init__(self, idx):
                 self.created = idx
 
-        class MockQuerySet(object):
+        class MockQuerySet:
             def __init__(self, items):
                 self.items = items
 
diff --git a/tests/test_parsers.py b/tests/test_parsers.py
index 42d49b794..e77950be9 100644
--- a/tests/test_parsers.py
+++ b/tests/test_parsers.py
@@ -39,7 +39,7 @@ class TestFormParser(TestCase):
 
 class TestFileUploadParser(TestCase):
     def setUp(self):
-        class MockRequest(object):
+        class MockRequest:
             pass
         self.stream = io.BytesIO(
             "Test text file".encode('utf-8')
diff --git a/tests/test_renderers.py b/tests/test_renderers.py
index 30e696fcb..2d7e64b37 100644
--- a/tests/test_renderers.py
+++ b/tests/test_renderers.py
@@ -345,7 +345,7 @@ class JSONRendererTests(TestCase):
         self.assertEqual(data, {'key': 'string value', '2': 3})
 
     def test_render_obj_with_getitem(self):
-        class DictLike(object):
+        class DictLike:
             def __init__(self):
                 self._dict = {}
 
@@ -644,7 +644,7 @@ class BrowsableAPIRendererTests(URLPatternsTestCase):
         assert self.renderer.get_description({}, status_code=403) == ''
 
     def test_get_filter_form_returns_none_if_data_is_not_list_instance(self):
-        class DummyView(object):
+        class DummyView:
             get_queryset = None
             filter_backends = None
 
diff --git a/tests/test_reverse.py b/tests/test_reverse.py
index b9ad48741..9ab1667c5 100644
--- a/tests/test_reverse.py
+++ b/tests/test_reverse.py
@@ -17,7 +17,7 @@ urlpatterns = [
 ]
 
 
-class MockVersioningScheme(object):
+class MockVersioningScheme:
 
     def __init__(self, raise_error=False):
         self.raise_error = raise_error
diff --git a/tests/test_schemas.py b/tests/test_schemas.py
index d3bd43073..f99eb55d1 100644
--- a/tests/test_schemas.py
+++ b/tests/test_schemas.py
@@ -29,7 +29,7 @@ from .models import BasicModel, ForeignKeySource
 factory = APIRequestFactory()
 
 
-class MockUser(object):
+class MockUser:
     def is_authenticated(self):
         return True
 
diff --git a/tests/test_serializer.py b/tests/test_serializer.py
index e3f676888..8a1df04ec 100644
--- a/tests/test_serializer.py
+++ b/tests/test_serializer.py
@@ -157,7 +157,7 @@ class TestSerializer:
         to_internal_value() is expected to return a dict, but subclasses may
         return application specific type.
         """
-        class Point(object):
+        class Point:
             def __init__(self, srid, x, y):
                 self.srid = srid
                 self.coords = (x, y)
diff --git a/tests/test_throttling.py b/tests/test_throttling.py
index 6ba916281..b20b6a809 100644
--- a/tests/test_throttling.py
+++ b/tests/test_throttling.py
@@ -295,7 +295,7 @@ class ScopedRateThrottleTests(TestCase):
             assert response.status_code == 200
 
     def test_get_cache_key_returns_correct_key_if_user_is_authenticated(self):
-        class DummyView(object):
+        class DummyView:
             throttle_scope = 'user'
 
         request = Request(HttpRequest())
diff --git a/tests/test_versioning.py b/tests/test_versioning.py
index 7e650e275..526df8292 100644
--- a/tests/test_versioning.py
+++ b/tests/test_versioning.py
@@ -321,7 +321,7 @@ class TestHyperlinkedRelatedField(URLPatternsTestCase, APITestCase):
     def setUp(self):
         super(TestHyperlinkedRelatedField, self).setUp()
 
-        class MockQueryset(object):
+        class MockQueryset:
             def get(self, pk):
                 return 'object %s' % pk
 
diff --git a/tests/utils.py b/tests/utils.py
index 509e6a102..06e5b9abe 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -2,7 +2,7 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.urls import NoReverseMatch
 
 
-class MockObject(object):
+class MockObject:
     def __init__(self, **kwargs):
         self._kwargs = kwargs
         for key, val in kwargs.items():
@@ -16,7 +16,7 @@ class MockObject(object):
         return '<MockObject %s>' % kwargs_str
 
 
-class MockQueryset(object):
+class MockQueryset:
     def __init__(self, iterable):
         self.items = iterable
 
@@ -33,7 +33,7 @@ class MockQueryset(object):
         raise ObjectDoesNotExist()
 
 
-class BadType(object):
+class BadType:
     """
     When used as a lookup with a `MockQueryset`, these objects
     will raise a `TypeError`, as occurs in Django when making