diff --git a/django/contrib/admin/validation.py b/django/contrib/admin/validation.py
index 222d433e53..fb9634d114 100644
--- a/django/contrib/admin/validation.py
+++ b/django/contrib/admin/validation.py
@@ -1,8 +1,7 @@
 from django.core.exceptions import ImproperlyConfigured
 from django.db import models
 from django.db.models.fields import FieldDoesNotExist
-from django.forms.models import (BaseModelForm, BaseModelFormSet, fields_for_model,
-    _get_foreign_key)
+from django.forms.models import BaseModelForm, BaseModelFormSet, _get_foreign_key
 from django.contrib.admin.util import get_fields_from_path, NotRelationField
 
 """
diff --git a/django/contrib/admindocs/views.py b/django/contrib/admindocs/views.py
index c03883def7..b3faf06e25 100644
--- a/django/contrib/admindocs/views.py
+++ b/django/contrib/admindocs/views.py
@@ -17,7 +17,6 @@ from django.utils.importlib import import_module
 from django.utils._os import upath
 from django.utils import six
 from django.utils.translation import ugettext as _
-from django.utils.safestring import mark_safe
 
 # Exclude methods starting with these strings from documentation
 MODEL_METHODS_EXCLUDE = ('_', 'add_', 'delete', 'save', 'set_')
diff --git a/django/contrib/auth/management/__init__.py b/django/contrib/auth/management/__init__.py
index ecf6c1b635..5c1bfbc515 100644
--- a/django/contrib/auth/management/__init__.py
+++ b/django/contrib/auth/management/__init__.py
@@ -4,7 +4,6 @@ Creates permissions for all installed apps that need permissions.
 from __future__ import unicode_literals
 
 import getpass
-import locale
 import unicodedata
 
 from django.contrib.auth import models as auth_app, get_user_model
diff --git a/django/contrib/auth/tests/test_remote_user.py b/django/contrib/auth/tests/test_remote_user.py
index dae61afed5..5c5024eae9 100644
--- a/django/contrib/auth/tests/test_remote_user.py
+++ b/django/contrib/auth/tests/test_remote_user.py
@@ -3,7 +3,7 @@ from datetime import datetime
 from django.conf import settings
 from django.contrib.auth import authenticate
 from django.contrib.auth.backends import RemoteUserBackend
-from django.contrib.auth.models import User, AnonymousUser
+from django.contrib.auth.models import User
 from django.contrib.auth.tests.utils import skipIfCustomUser
 from django.test import TestCase
 from django.utils import timezone
diff --git a/django/contrib/auth/tests/test_views.py b/django/contrib/auth/tests/test_views.py
index ef305ac8f1..3a1be5bb7b 100644
--- a/django/contrib/auth/tests/test_views.py
+++ b/django/contrib/auth/tests/test_views.py
@@ -13,7 +13,6 @@ from django.core import mail
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.http import QueryDict, HttpRequest
 from django.utils.encoding import force_text
-from django.utils.html import escape
 from django.utils.http import urlquote
 from django.utils._os import upath
 from django.test import TestCase
@@ -23,7 +22,7 @@ from django.contrib.sessions.middleware import SessionMiddleware
 
 from django.contrib.auth import SESSION_KEY, REDIRECT_FIELD_NAME
 from django.contrib.auth.forms import (AuthenticationForm, PasswordChangeForm,
-                SetPasswordForm, PasswordResetForm)
+                SetPasswordForm)
 from django.contrib.auth.tests.utils import skipIfCustomUser
 from django.contrib.auth.views import login as login_view
 
diff --git a/django/contrib/comments/admin.py b/django/contrib/comments/admin.py
index bca638182c..391889cd65 100644
--- a/django/contrib/comments/admin.py
+++ b/django/contrib/comments/admin.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.contrib import admin
 from django.contrib.auth import get_user_model
 from django.contrib.comments.models import Comment
-from django.utils.translation import ugettext_lazy as _, ungettext, ungettext_lazy
+from django.utils.translation import ugettext_lazy as _, ungettext_lazy
 from django.contrib.comments import get_model
 from django.contrib.comments.views.moderation import perform_flag, perform_approve, perform_delete
 
diff --git a/django/contrib/flatpages/tests/test_csrf.py b/django/contrib/flatpages/tests/test_csrf.py
index 59996d9824..cb51c124b8 100644
--- a/django/contrib/flatpages/tests/test_csrf.py
+++ b/django/contrib/flatpages/tests/test_csrf.py
@@ -1,5 +1,4 @@
 import os
-from django.conf import settings
 from django.contrib.auth.models import User
 from django.contrib.auth.tests.utils import skipIfCustomUser
 from django.test import TestCase, Client
diff --git a/django/contrib/flatpages/tests/test_templatetags.py b/django/contrib/flatpages/tests/test_templatetags.py
index 1a6f3c2975..23fa8faf2d 100644
--- a/django/contrib/flatpages/tests/test_templatetags.py
+++ b/django/contrib/flatpages/tests/test_templatetags.py
@@ -1,5 +1,4 @@
 import os
-from django.conf import settings
 from django.contrib.auth.models import AnonymousUser, User
 from django.contrib.auth.tests.utils import skipIfCustomUser
 from django.template import Template, Context, TemplateSyntaxError
diff --git a/django/contrib/formtools/tests/tests.py b/django/contrib/formtools/tests/tests.py
index 56ef901127..58c59f4041 100644
--- a/django/contrib/formtools/tests/tests.py
+++ b/django/contrib/formtools/tests/tests.py
@@ -3,15 +3,11 @@ from __future__ import unicode_literals
 
 import datetime
 import os
-import pickle
-import re
 import warnings
 
 from django import http
-from django.conf import settings
 from django.contrib.formtools import preview, utils
 from django.test import TestCase
-from django.test.html import parse_html
 from django.test.utils import override_settings
 from django.utils._os import upath
 from django.utils import unittest
diff --git a/django/contrib/formtools/tests/wizard/test_cookiestorage.py b/django/contrib/formtools/tests/wizard/test_cookiestorage.py
index 060e8260b5..4c1ff97475 100644
--- a/django/contrib/formtools/tests/wizard/test_cookiestorage.py
+++ b/django/contrib/formtools/tests/wizard/test_cookiestorage.py
@@ -1,5 +1,3 @@
-import json
-
 from django.test import TestCase
 from django.core import signing
 from django.core.exceptions import SuspiciousOperation
diff --git a/django/contrib/gis/admin/widgets.py b/django/contrib/gis/admin/widgets.py
index ceb8e9c9bd..056d25952a 100644
--- a/django/contrib/gis/admin/widgets.py
+++ b/django/contrib/gis/admin/widgets.py
@@ -2,7 +2,6 @@ import logging
 
 from django.forms.widgets import Textarea
 from django.template import loader, Context
-from django.templatetags.static import static
 from django.utils import six
 from django.utils import translation
 
diff --git a/django/contrib/gis/db/backends/postgis/creation.py b/django/contrib/gis/db/backends/postgis/creation.py
index 43ae9a0331..4f64ecce29 100644
--- a/django/contrib/gis/db/backends/postgis/creation.py
+++ b/django/contrib/gis/db/backends/postgis/creation.py
@@ -1,5 +1,4 @@
 from django.conf import settings
-from django.core.exceptions import ImproperlyConfigured
 from django.db.backends.postgresql_psycopg2.creation import DatabaseCreation
 from django.utils.functional import cached_property
 
diff --git a/django/contrib/gis/db/models/aggregates.py b/django/contrib/gis/db/models/aggregates.py
index cd26839eb5..d0fc6d319d 100644
--- a/django/contrib/gis/db/models/aggregates.py
+++ b/django/contrib/gis/db/models/aggregates.py
@@ -1,5 +1,4 @@
 from django.db.models import Aggregate
-from django.contrib.gis.db.models.sql import GeomField
 
 class Collect(Aggregate):
     name = 'Collect'
diff --git a/django/contrib/gis/geos/tests/test_io.py b/django/contrib/gis/geos/tests/test_io.py
index 38ca2e0923..34eeaf95b9 100644
--- a/django/contrib/gis/geos/tests/test_io.py
+++ b/django/contrib/gis/geos/tests/test_io.py
@@ -4,7 +4,6 @@ import binascii
 import unittest
 
 from django.contrib.gis import memoryview
-from django.utils import six
 from django.utils.unittest import skipUnless
 
 from ..import HAS_GEOS
diff --git a/django/contrib/gis/management/commands/ogrinspect.py b/django/contrib/gis/management/commands/ogrinspect.py
index 6037cc7ea6..44513e3463 100644
--- a/django/contrib/gis/management/commands/ogrinspect.py
+++ b/django/contrib/gis/management/commands/ogrinspect.py
@@ -1,4 +1,3 @@
-import os
 from optparse import make_option
 from django.contrib.gis import gdal
 from django.core.management.base import LabelCommand, CommandError
diff --git a/django/contrib/gis/tests/relatedapp/tests.py b/django/contrib/gis/tests/relatedapp/tests.py
index 6320edcff5..d93adbcd4c 100644
--- a/django/contrib/gis/tests/relatedapp/tests.py
+++ b/django/contrib/gis/tests/relatedapp/tests.py
@@ -1,7 +1,5 @@
 from __future__ import absolute_import
 
-from datetime import date
-
 from django.contrib.gis.geos import HAS_GEOS
 from django.contrib.gis.tests.utils import HAS_SPATIAL_DB, mysql, oracle, no_mysql, no_oracle, no_spatialite
 from django.test import TestCase
diff --git a/django/contrib/sitemaps/tests/base.py b/django/contrib/sitemaps/tests/base.py
index 099dba7256..8e027d491e 100644
--- a/django/contrib/sitemaps/tests/base.py
+++ b/django/contrib/sitemaps/tests/base.py
@@ -1,4 +1,3 @@
-from django.contrib.auth.models import User
 from django.contrib.sites.models import Site
 from django.core.cache import cache
 from django.db import models
diff --git a/django/contrib/sitemaps/tests/urls/http.py b/django/contrib/sitemaps/tests/urls/http.py
index 56103f4ec2..a8b804fd4b 100644
--- a/django/contrib/sitemaps/tests/urls/http.py
+++ b/django/contrib/sitemaps/tests/urls/http.py
@@ -1,7 +1,6 @@
 from datetime import datetime
 from django.conf.urls import patterns, url
 from django.contrib.sitemaps import Sitemap, GenericSitemap, FlatPageSitemap, views
-from django.contrib.auth.models import User
 from django.views.decorators.cache import cache_page
 
 from django.contrib.sitemaps.tests.base import TestModel
diff --git a/django/core/exceptions.py b/django/core/exceptions.py
index 829d6e774e..efec22850b 100644
--- a/django/core/exceptions.py
+++ b/django/core/exceptions.py
@@ -1,7 +1,6 @@
 """
 Global Django exception and warning classes.
 """
-import logging
 from functools import reduce
 import operator
 
diff --git a/django/core/management/__init__.py b/django/core/management/__init__.py
index 77d5e1b264..8fd46aa759 100644
--- a/django/core/management/__init__.py
+++ b/django/core/management/__init__.py
@@ -3,13 +3,11 @@ import os
 import sys
 from optparse import OptionParser, NO_DEFAULT
 import imp
-import warnings
 
 from django.core.exceptions import ImproperlyConfigured
 from django.core.management.base import BaseCommand, CommandError, handle_default_options
 from django.core.management.color import color_style
 from django.utils.importlib import import_module
-from django.utils._os import upath
 from django.utils import six
 
 # For backwards compatibility: get_version() used to be in this module.
diff --git a/django/core/serializers/base.py b/django/core/serializers/base.py
index 1e78026c40..cd4f7ffb2b 100644
--- a/django/core/serializers/base.py
+++ b/django/core/serializers/base.py
@@ -3,7 +3,6 @@ Module for abstract serializer/unserializer base classes.
 """
 
 from django.db import models
-from django.utils.encoding import smart_text
 from django.utils import six
 
 class SerializerDoesNotExist(KeyError):
diff --git a/django/db/backends/postgresql_psycopg2/base.py b/django/db/backends/postgresql_psycopg2/base.py
index 5c5f5e185a..6ed2cfcc7c 100644
--- a/django/db/backends/postgresql_psycopg2/base.py
+++ b/django/db/backends/postgresql_psycopg2/base.py
@@ -6,7 +6,6 @@ Requires psycopg 2: http://initd.org/projects/psycopg2
 import logging
 import sys
 
-from django.db import utils
 from django.db.backends import *
 from django.db.backends.postgresql_psycopg2.operations import DatabaseOperations
 from django.db.backends.postgresql_psycopg2.client import DatabaseClient
@@ -16,7 +15,6 @@ from django.db.backends.postgresql_psycopg2.introspection import DatabaseIntrosp
 from django.utils.encoding import force_str
 from django.utils.functional import cached_property
 from django.utils.safestring import SafeText, SafeBytes
-from django.utils import six
 from django.utils.timezone import utc
 
 try:
diff --git a/django/db/backends/postgresql_psycopg2/creation.py b/django/db/backends/postgresql_psycopg2/creation.py
index 3ba2158103..d4260e05c4 100644
--- a/django/db/backends/postgresql_psycopg2/creation.py
+++ b/django/db/backends/postgresql_psycopg2/creation.py
@@ -1,5 +1,3 @@
-import psycopg2.extensions
-
 from django.db.backends.creation import BaseDatabaseCreation
 from django.db.backends.util import truncate_name
 
diff --git a/django/forms/formsets.py b/django/forms/formsets.py
index edd362c595..9c2e88bee7 100644
--- a/django/forms/formsets.py
+++ b/django/forms/formsets.py
@@ -4,7 +4,7 @@ from django.core.exceptions import ValidationError
 from django.forms import Form
 from django.forms.fields import IntegerField, BooleanField
 from django.forms.util import ErrorList
-from django.forms.widgets import Media, HiddenInput
+from django.forms.widgets import HiddenInput
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.safestring import mark_safe
 from django.utils import six
diff --git a/django/forms/util.py b/django/forms/util.py
index 568cdd1086..0a73320f83 100644
--- a/django/forms/util.py
+++ b/django/forms/util.py
@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 from django.conf import settings
 from django.utils.html import format_html, format_html_join
 from django.utils.encoding import force_text, python_2_unicode_compatible
-from django.utils.safestring import mark_safe
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 from django.utils import six
diff --git a/django/forms/widgets.py b/django/forms/widgets.py
index aca4a457af..38d1b99b0d 100644
--- a/django/forms/widgets.py
+++ b/django/forms/widgets.py
@@ -5,7 +5,6 @@ HTML Widget classes
 from __future__ import absolute_import, unicode_literals
 
 import copy
-import datetime
 from itertools import chain
 try:
     from urllib.parse import urljoin
@@ -16,8 +15,8 @@ import warnings
 from django.conf import settings
 from django.forms.util import flatatt, to_current_timezone
 from django.utils.datastructures import MultiValueDict, MergeDict
-from django.utils.html import conditional_escape, format_html, format_html_join
-from django.utils.translation import ugettext, ugettext_lazy
+from django.utils.html import conditional_escape, format_html
+from django.utils.translation import ugettext_lazy
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.safestring import mark_safe
 from django.utils import datetime_safe, formats, six
diff --git a/django/middleware/csrf.py b/django/middleware/csrf.py
index 1b5732fbbf..c13715eeb9 100644
--- a/django/middleware/csrf.py
+++ b/django/middleware/csrf.py
@@ -6,10 +6,8 @@ against request forgeries from other sites.
 """
 from __future__ import unicode_literals
 
-import hashlib
 import logging
 import re
-import random
 
 from django.conf import settings
 from django.core.urlresolvers import get_callable
diff --git a/django/template/defaultfilters.py b/django/template/defaultfilters.py
index 4201cfeb67..76c0121126 100644
--- a/django/template/defaultfilters.py
+++ b/django/template/defaultfilters.py
@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 
 import re
 import random as random_module
-import unicodedata
 from decimal import Decimal, InvalidOperation, Context, ROUND_HALF_UP
 from functools import wraps
 from pprint import pformat
diff --git a/django/utils/html.py b/django/utils/html.py
index 0d28c77a61..4893b6b18a 100644
--- a/django/utils/html.py
+++ b/django/utils/html.py
@@ -3,7 +3,6 @@
 from __future__ import unicode_literals
 
 import re
-import string
 try:
     from urllib.parse import quote, urlsplit, urlunsplit
 except ImportError:     # Python 2
diff --git a/django/utils/text.py b/django/utils/text.py
index 4fe92ab509..7bb8e7eb3e 100644
--- a/django/utils/text.py
+++ b/django/utils/text.py
@@ -2,7 +2,6 @@ from __future__ import unicode_literals
 
 import re
 import unicodedata
-import warnings
 from gzip import GzipFile
 from io import BytesIO
 
diff --git a/django/views/debug.py b/django/views/debug.py
index 0458580221..2129a83d67 100644
--- a/django/views/debug.py
+++ b/django/views/debug.py
@@ -7,7 +7,6 @@ import sys
 import types
 
 from django.conf import settings
-from django.core.exceptions import ImproperlyConfigured
 from django.http import (HttpResponse, HttpResponseServerError,
     HttpResponseNotFound, HttpRequest, build_request_repr)
 from django.template import Template, Context, TemplateDoesNotExist
diff --git a/django/views/decorators/csrf.py b/django/views/decorators/csrf.py
index a6bd7d8526..1ebed2a6a1 100644
--- a/django/views/decorators/csrf.py
+++ b/django/views/decorators/csrf.py
@@ -1,5 +1,3 @@
-import warnings
-
 from django.middleware.csrf import CsrfViewMiddleware, get_token
 from django.utils.decorators import decorator_from_middleware, available_attrs
 from functools import wraps