diff --git a/setup.py b/setup.py
index 7752e88331..937101d01b 100755
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ except ImportError:
 # in multiprocessing/util.py _exit_function when setup.py exits
 # (see http://www.eby-sarna.com/pipermail/peak/2010-May/003357.html)
 try:
-    import multiprocessing  # noqa
+    import multiprocessing  # noqa: F401
 except ImportError:
     pass
 
diff --git a/wagtail/admin/apps.py b/wagtail/admin/apps.py
index 598a4b025e..391656f2ea 100644
--- a/wagtail/admin/apps.py
+++ b/wagtail/admin/apps.py
@@ -1,7 +1,7 @@
 from django.apps import AppConfig
 from django.utils.translation import gettext_lazy as _
 
-from . import checks  # NOQA
+from . import checks  # NOQA: F401
 
 
 class WagtailAdminAppConfig(AppConfig):
diff --git a/wagtail/admin/blocks.py b/wagtail/admin/blocks.py
index 826b899ba8..9a2fe6daab 100644
--- a/wagtail/admin/blocks.py
+++ b/wagtail/admin/blocks.py
@@ -1,6 +1,6 @@
 import warnings
 
-from wagtail.blocks import *  # noqa
+from wagtail.blocks import *  # noqa: F403
 
 warnings.warn(
     "wagtail.admin.blocks has moved to wagtail.blocks", UserWarning, stacklevel=2
diff --git a/wagtail/admin/forms/__init__.py b/wagtail/admin/forms/__init__.py
index 05b7fd7d8c..2a2a0d7352 100644
--- a/wagtail/admin/forms/__init__.py
+++ b/wagtail/admin/forms/__init__.py
@@ -1,9 +1,9 @@
 # definitions which are not being deprecated from wagtail.admin.forms
-from .models import (  # NOQA
+from .models import (  # NOQA: F401
     DIRECT_FORM_FIELD_OVERRIDES,
     FORM_FIELD_OVERRIDES,
     WagtailAdminModelForm,
     WagtailAdminModelFormMetaclass,
     formfield_for_dbfield,
 )
-from .pages import WagtailAdminPageForm  # NOQA
+from .pages import WagtailAdminPageForm  # NOQA: F401
diff --git a/wagtail/admin/models.py b/wagtail/admin/models.py
index 54b59bb57e..cb1383d236 100644
--- a/wagtail/admin/models.py
+++ b/wagtail/admin/models.py
@@ -7,7 +7,7 @@ from taggit.models import Tag
 # wagtail admin (namely, base_form_class and get_edit_handler). Importing this within
 # wagtail.admin.models ensures that this happens in advance of running wagtail.admin's
 # system checks.
-from wagtail.admin import panels  # NOQA
+from wagtail.admin import panels  # NOQA: F401
 from wagtail.models import Page
 
 
diff --git a/wagtail/admin/panels/__init__.py b/wagtail/admin/panels/__init__.py
index d1d350da1e..864338092a 100644
--- a/wagtail/admin/panels/__init__.py
+++ b/wagtail/admin/panels/__init__.py
@@ -1,20 +1,20 @@
 # DIRECT_FORM_FIELD_OVERRIDES, FORM_FIELD_OVERRIDES are imported for backwards
 # compatibility, as people are likely importing them from here and then
 # appending their own overrides
-from wagtail.admin.forms.models import (  # NOQA
+from wagtail.admin.forms.models import (  # NOQA: F401
     DIRECT_FORM_FIELD_OVERRIDES,
     FORM_FIELD_OVERRIDES,
 )
 
-from .base import *  # NOQA
-from .comment_panel import *  # NOQA
-from .field_panel import *  # NOQA
-from .group import *  # NOQA
-from .help_panel import *  # NOQA
-from .inline_panel import *  # NOQA
-from .model_utils import *  # NOQA
-from .multiple_chooser_panel import *  # NOQA
-from .page_chooser_panel import *  # NOQA
-from .page_utils import *  # NOQA
-from .publishing_panel import *  # NOQA
-from .signal_handlers import *  # NOQA
+from .base import *  # NOQA: F403
+from .comment_panel import *  # NOQA: F403
+from .field_panel import *  # NOQA: F403
+from .group import *  # NOQA: F403
+from .help_panel import *  # NOQA: F403
+from .inline_panel import *  # NOQA: F403
+from .model_utils import *  # NOQA: F403
+from .multiple_chooser_panel import *  # NOQA: F403
+from .page_chooser_panel import *  # NOQA: F403
+from .page_utils import *  # NOQA: F403
+from .publishing_panel import *  # NOQA: F403
+from .signal_handlers import *  # NOQA: F403
diff --git a/wagtail/admin/rich_text/__init__.py b/wagtail/admin/rich_text/__init__.py
index c52c592dab..680f81aec6 100644
--- a/wagtail/admin/rich_text/__init__.py
+++ b/wagtail/admin/rich_text/__init__.py
@@ -1,7 +1,7 @@
 from django.conf import settings
 from django.utils.module_loading import import_string
 
-from wagtail.admin.rich_text.editors.draftail import DraftailRichTextArea  # NOQA
+from wagtail.admin.rich_text.editors.draftail import DraftailRichTextArea  # NOQA: F401
 
 DEFAULT_RICH_TEXT_EDITORS = {
     "default": {"WIDGET": "wagtail.admin.rich_text.DraftailRichTextArea"}
diff --git a/wagtail/admin/views/pages/utils.py b/wagtail/admin/views/pages/utils.py
index 858ab2784e..4dad1af28d 100644
--- a/wagtail/admin/views/pages/utils.py
+++ b/wagtail/admin/views/pages/utils.py
@@ -1,2 +1,2 @@
 # Retain backwards compatibility for imports
-from wagtail.admin.utils import get_valid_next_url_from_request  # noqa
+from wagtail.admin.utils import get_valid_next_url_from_request  # noqa: F401
diff --git a/wagtail/admin/views/reports/__init__.py b/wagtail/admin/views/reports/__init__.py
index 8f21362bfd..782cea56f8 100644
--- a/wagtail/admin/views/reports/__init__.py
+++ b/wagtail/admin/views/reports/__init__.py
@@ -1 +1 @@
-from .base import PageReportView, ReportView  # noqa
+from .base import PageReportView, ReportView  # noqa: F401
diff --git a/wagtail/admin/widgets/__init__.py b/wagtail/admin/widgets/__init__.py
index 047b8ea925..cedccf2bba 100644
--- a/wagtail/admin/widgets/__init__.py
+++ b/wagtail/admin/widgets/__init__.py
@@ -1,8 +1,8 @@
-from wagtail.admin.widgets.auto_height_text import *  # NOQA
-from wagtail.admin.widgets.boolean_radio_select import *  # NOQA
-from wagtail.admin.widgets.button import *  # NOQA
-from wagtail.admin.widgets.chooser import *  # NOQA
-from wagtail.admin.widgets.datetime import *  # NOQA
-from wagtail.admin.widgets.filtered_select import *  # NOQA
-from wagtail.admin.widgets.switch import *  # NOQA
-from wagtail.admin.widgets.tags import *  # NOQA
+from wagtail.admin.widgets.auto_height_text import *  # NOQA: F403
+from wagtail.admin.widgets.boolean_radio_select import *  # NOQA: F403
+from wagtail.admin.widgets.button import *  # NOQA: F403
+from wagtail.admin.widgets.chooser import *  # NOQA: F403
+from wagtail.admin.widgets.datetime import *  # NOQA: F403
+from wagtail.admin.widgets.filtered_select import *  # NOQA: F403
+from wagtail.admin.widgets.switch import *  # NOQA: F403
+from wagtail.admin.widgets.tags import *  # NOQA: F403
diff --git a/wagtail/api/__init__.py b/wagtail/api/__init__.py
index 9b94c61417..1dc03136b3 100644
--- a/wagtail/api/__init__.py
+++ b/wagtail/api/__init__.py
@@ -1 +1 @@
-from .conf import APIField  # noqa
+from .conf import APIField  # noqa: F401
diff --git a/wagtail/apps.py b/wagtail/apps.py
index 5303ebcffe..710be9ddd4 100644
--- a/wagtail/apps.py
+++ b/wagtail/apps.py
@@ -20,4 +20,4 @@ class WagtailAppConfig(AppConfig):
 
         register_signal_handlers()
 
-        from wagtail import widget_adapters  # noqa
+        from wagtail import widget_adapters  # noqa: F401
diff --git a/wagtail/blocks/__init__.py b/wagtail/blocks/__init__.py
index e968630b24..9a60876eac 100644
--- a/wagtail/blocks/__init__.py
+++ b/wagtail/blocks/__init__.py
@@ -1,7 +1,7 @@
 # Import block types defined in submodules into the wagtail.blocks namespace
-from .base import *  # NOQA
-from .field_block import *  # NOQA
-from .list_block import *  # NOQA
-from .static_block import *  # NOQA
-from .stream_block import *  # NOQA
-from .struct_block import *  # NOQA
+from .base import *  # NOQA: F403
+from .field_block import *  # NOQA: F403
+from .list_block import *  # NOQA: F403
+from .static_block import *  # NOQA: F403
+from .stream_block import *  # NOQA: F403
+from .struct_block import *  # NOQA: F403
diff --git a/wagtail/contrib/modeladmin/helpers/__init__.py b/wagtail/contrib/modeladmin/helpers/__init__.py
index 95e0f6074d..cad68da85e 100644
--- a/wagtail/contrib/modeladmin/helpers/__init__.py
+++ b/wagtail/contrib/modeladmin/helpers/__init__.py
@@ -1,4 +1,4 @@
-from .button import ButtonHelper, PageButtonHelper  # NOQA
-from .permission import PagePermissionHelper, PermissionHelper  # NOQA
-from .search import DjangoORMSearchHandler, WagtailBackendSearchHandler  # NOQA
-from .url import AdminURLHelper, ModelAdminURLFinder, PageAdminURLHelper  # NOQA
+from .button import ButtonHelper, PageButtonHelper  # NOQA: F401
+from .permission import PagePermissionHelper, PermissionHelper  # NOQA: F401
+from .search import DjangoORMSearchHandler, WagtailBackendSearchHandler  # NOQA: F401
+from .url import AdminURLHelper, ModelAdminURLFinder, PageAdminURLHelper  # NOQA: F401
diff --git a/wagtail/contrib/modeladmin/options.py b/wagtail/contrib/modeladmin/options.py
index 909568fdf4..f8e21ac9a7 100644
--- a/wagtail/contrib/modeladmin/options.py
+++ b/wagtail/contrib/modeladmin/options.py
@@ -25,7 +25,7 @@ from .helpers import (
     PermissionHelper,
 )
 from .menus import GroupMenuItem, ModelAdminMenuItem
-from .mixins import ThumbnailMixin  # NOQA
+from .mixins import ThumbnailMixin  # NOQA: F401
 from .views import (
     ChooseParentView,
     CreateView,
diff --git a/wagtail/contrib/settings/tests/__init__.py b/wagtail/contrib/settings/tests/__init__.py
index 73f2a64466..e69de29bb2 100644
--- a/wagtail/contrib/settings/tests/__init__.py
+++ b/wagtail/contrib/settings/tests/__init__.py
@@ -1,2 +0,0 @@
-from .generic import *  # noqa
-from .site_specific import *  # noqa
diff --git a/wagtail/contrib/sitemaps/__init__.py b/wagtail/contrib/sitemaps/__init__.py
index 43ce25df98..3f9454e75c 100644
--- a/wagtail/contrib/sitemaps/__init__.py
+++ b/wagtail/contrib/sitemaps/__init__.py
@@ -1 +1 @@
-from .sitemap_generator import Sitemap  # noqa
+from .sitemap_generator import Sitemap  # noqa: F401
diff --git a/wagtail/documents/tests/test_views.py b/wagtail/documents/tests/test_views.py
index b45a41c20b..b3a690215d 100644
--- a/wagtail/documents/tests/test_views.py
+++ b/wagtail/documents/tests/test_views.py
@@ -269,7 +269,7 @@ class TestServeViewWithSendfile(TestCase):
         # Import using a try-catch block to prevent crashes if the
         # django-sendfile module is not installed
         try:
-            import sendfile  # noqa
+            import sendfile  # noqa: F401
         except ImportError:
             raise unittest.SkipTest("django-sendfile not installed")
 
diff --git a/wagtail/embeds/tests/test_embeds.py b/wagtail/embeds/tests/test_embeds.py
index c6840fb826..3f67f28001 100644
--- a/wagtail/embeds/tests/test_embeds.py
+++ b/wagtail/embeds/tests/test_embeds.py
@@ -37,7 +37,7 @@ from wagtail.embeds.templatetags.wagtailembeds_tags import embed_tag
 from wagtail.test.utils import WagtailTestUtils
 
 try:
-    import embedly  # noqa
+    import embedly  # noqa: F401
 
     no_embedly = False
 except ImportError:
diff --git a/wagtail/images/apps.py b/wagtail/images/apps.py
index 14d0c91a01..6224ed2e63 100644
--- a/wagtail/images/apps.py
+++ b/wagtail/images/apps.py
@@ -2,7 +2,7 @@ from django.apps import AppConfig
 from django.db.models import ForeignKey
 from django.utils.translation import gettext_lazy as _
 
-from . import checks, get_image_model  # NOQA
+from . import checks, get_image_model  # NOQA: F401
 from .signal_handlers import register_signal_handlers
 
 
diff --git a/wagtail/images/tests/tests.py b/wagtail/images/tests/tests.py
index d6c9e2e4e2..01689df8b2 100644
--- a/wagtail/images/tests/tests.py
+++ b/wagtail/images/tests/tests.py
@@ -26,7 +26,7 @@ from wagtail.test.utils import WagtailTestUtils, disconnect_signal_receiver
 from .utils import Image, get_test_image_file
 
 try:
-    import sendfile  # noqa
+    import sendfile  # noqa: F401
 
     sendfile_mod = True
 except ImportError:
diff --git a/wagtail/models/__init__.py b/wagtail/models/__init__.py
index 8ef83a6283..060aa40418 100644
--- a/wagtail/models/__init__.py
+++ b/wagtail/models/__init__.py
@@ -1,7 +1,7 @@
 """
 wagtail.models is split into submodules for maintainability. All definitions intended as
-public should be imported here (with 'noqa' comments as required) and outside code should continue
-to import them from wagtail.models (e.g. `from wagtail.models import Site`, not
+public should be imported here (with 'noqa: F401' comments as required) and outside code should
+continue to import them from wagtail.models (e.g. `from wagtail.models import Site`, not
 `from wagtail.models.sites import Site`.)
 
 Submodules should take care to keep the direction of dependencies consistent; where possible they
@@ -92,13 +92,13 @@ from wagtail.signals import (
 from wagtail.url_routing import RouteResult
 from wagtail.utils.deprecation import RemovedInWagtail60Warning
 
-from .audit_log import (  # noqa
+from .audit_log import (  # noqa: F401
     BaseLogEntry,
     BaseLogEntryManager,
     LogEntryQuerySet,
     ModelLogEntry,
 )
-from .collections import (  # noqa
+from .collections import (  # noqa: F401
     BaseCollectionManager,
     Collection,
     CollectionManager,
@@ -108,8 +108,8 @@ from .collections import (  # noqa
     GroupCollectionPermissionManager,
     get_root_collection_id,
 )
-from .copying import _copy, _copy_m2m_relations, _extract_field_data  # noqa
-from .i18n import (  # noqa
+from .copying import _copy, _copy_m2m_relations, _extract_field_data  # noqa: F401
+from .i18n import (  # noqa: F401
     BootstrapTranslatableMixin,
     BootstrapTranslatableModel,
     Locale,
@@ -118,8 +118,8 @@ from .i18n import (  # noqa
     bootstrap_translatable_model,
     get_translatable_models,
 )
-from .reference_index import ReferenceIndex  # noqa
-from .sites import Site, SiteManager, SiteRootPath  # noqa
+from .reference_index import ReferenceIndex  # noqa: F401
+from .sites import Site, SiteManager, SiteRootPath  # noqa: F401
 from .specific import SpecificMixin
 from .view_restrictions import BaseViewRestriction
 
diff --git a/wagtail/permission_policies/__init__.py b/wagtail/permission_policies/__init__.py
index 530d26cce6..c808e163d1 100644
--- a/wagtail/permission_policies/__init__.py
+++ b/wagtail/permission_policies/__init__.py
@@ -1 +1 @@
-from .base import *  # NOQA
+from .base import *  # NOQA: F403
diff --git a/wagtail/search/apps.py b/wagtail/search/apps.py
index 9cd7d0c985..a11b8850a0 100644
--- a/wagtail/search/apps.py
+++ b/wagtail/search/apps.py
@@ -5,7 +5,7 @@ from django.utils.translation import gettext_lazy as _
 
 from wagtail.search.signal_handlers import register_signal_handlers
 
-from . import checks  # NOQA
+from . import checks  # NOQA: F401
 
 
 class WagtailSearchAppConfig(AppConfig):
diff --git a/wagtail/search/management/commands/wagtail_update_index.py b/wagtail/search/management/commands/wagtail_update_index.py
index 7e9ad2a67f..bc3b838ea0 100644
--- a/wagtail/search/management/commands/wagtail_update_index.py
+++ b/wagtail/search/management/commands/wagtail_update_index.py
@@ -1,4 +1,4 @@
 # Alias for the update_index command, to avoid clashes with other packages
 # that implement an update_index command (such as django-haystack)
 
-from wagtail.search.management.commands.update_index import Command  # NOQA
+from wagtail.search.management.commands.update_index import Command  # NOQA: F401
diff --git a/wagtail/search/migrations/0005_create_indexentry.py b/wagtail/search/migrations/0005_create_indexentry.py
index 42ef2e1738..9192172b01 100644
--- a/wagtail/search/migrations/0005_create_indexentry.py
+++ b/wagtail/search/migrations/0005_create_indexentry.py
@@ -1,6 +1,6 @@
 # Generated by Django 3.2.4 on 2021-06-28 14:12
 
-import django.db.models.deletion  # noqa
+import django.db.models.deletion
 
 from django.db import migrations, models
 
diff --git a/wagtail/telepath.py b/wagtail/telepath.py
index 50873f3b99..e1f9377ad2 100644
--- a/wagtail/telepath.py
+++ b/wagtail/telepath.py
@@ -1,5 +1,5 @@
 from django import forms
-from telepath import Adapter, AdapterRegistry, JSContextBase  # noqa
+from telepath import Adapter, AdapterRegistry, JSContextBase
 
 from wagtail.admin.staticfiles import versioned_static
 
diff --git a/wagtail/test/customuser/models.py b/wagtail/test/customuser/models.py
index 32cad2cbb9..3e4b1472cd 100644
--- a/wagtail/test/customuser/models.py
+++ b/wagtail/test/customuser/models.py
@@ -8,7 +8,7 @@ from django.db import models
 # make sure we can import wagtail.admin.auth here without triggering a circular import
 # (which is easily done because it's dealing with django.contrib.auth views which depend
 # on the user model)
-from wagtail.admin.auth import permission_denied  # noqa
+from wagtail.admin.auth import permission_denied  # noqa: F401
 from wagtail.admin.panels import FieldPanel
 
 from .fields import ConvertedValueField
diff --git a/wagtail/test/settings_ui.py b/wagtail/test/settings_ui.py
index 495d6a6241..17d55e127f 100644
--- a/wagtail/test/settings_ui.py
+++ b/wagtail/test/settings_ui.py
@@ -1,4 +1,4 @@
-from .settings import *  # noqa
+from .settings import *  # noqa: F403
 
 # Settings meant to run the test suite with Django’s development server, for integration tests.
 DEBUG = True
diff --git a/wagtail/test/utils/__init__.py b/wagtail/test/utils/__init__.py
index cb90b69795..33f740b85f 100644
--- a/wagtail/test/utils/__init__.py
+++ b/wagtail/test/utils/__init__.py
@@ -1,3 +1,3 @@
-from .decorators import *  # NOQA
-from .page_tests import *  # NOQA
-from .wagtail_tests import *  # NOQA
+from .decorators import *  # NOQA: F403
+from .page_tests import *  # NOQA: F403
+from .wagtail_tests import *  # NOQA: F403
diff --git a/wagtail/test/utils/wagtail_factories/__init__.py b/wagtail/test/utils/wagtail_factories/__init__.py
index 4061cc256f..885fbe9050 100644
--- a/wagtail/test/utils/wagtail_factories/__init__.py
+++ b/wagtail/test/utils/wagtail_factories/__init__.py
@@ -1,2 +1,2 @@
-from .blocks import *  # noqa
-from .factories import *  # noqa
+from .blocks import *  # noqa: F403
+from .factories import *  # noqa: F403
diff --git a/wagtail/tests/utils.py b/wagtail/tests/utils.py
index 20df57f44e..60db4e3c1f 100644
--- a/wagtail/tests/utils.py
+++ b/wagtail/tests/utils.py
@@ -1,6 +1,6 @@
 from warnings import warn
 
-from wagtail.test.utils import *  # noqa
+from wagtail.test.utils import *  # noqa: F403
 from wagtail.utils.deprecation import RemovedInWagtail60Warning
 
 warn(