diff --git a/lms/djangoapps/email_marketing/tests/test_signals.py b/lms/djangoapps/email_marketing/tests/test_signals.py
index aef30e561a..45a5305a48 100644
--- a/lms/djangoapps/email_marketing/tests/test_signals.py
+++ b/lms/djangoapps/email_marketing/tests/test_signals.py
@@ -29,7 +29,6 @@ from lms.djangoapps.email_marketing.tasks import (  # lint-amnesty, pylint: disa
     _get_list_from_email_marketing_provider,
     _get_or_create_user_list,
     get_email_cookies_via_sailthru,
-    update_course_enrollment,
     update_user,
     update_user_email
 )
diff --git a/lms/djangoapps/experiments/tests/test_views.py b/lms/djangoapps/experiments/tests/test_views.py
index b82cb1fca2..b1d6624947 100644
--- a/lms/djangoapps/experiments/tests/test_views.py
+++ b/lms/djangoapps/experiments/tests/test_views.py
@@ -4,12 +4,10 @@ Tests for experimentation views
 
 
 import unittest
-from datetime import timedelta
 from unittest.mock import patch
 
-import six.moves.urllib.error
 import six.moves.urllib.parse
-import six.moves.urllib.request
+from datetime import timedelta
 from django.conf import settings
 from django.core.handlers.wsgi import WSGIRequest
 from django.test.utils import override_settings
@@ -20,10 +18,7 @@ from rest_framework.test import APITestCase
 from common.djangoapps.student.tests.factories import UserFactory
 from lms.djangoapps.course_blocks.transformers.tests.helpers import ModuleStoreTestCase
 from lms.djangoapps.experiments.factories import ExperimentDataFactory, ExperimentKeyValueFactory
-from lms.djangoapps.experiments.models import (  # lint-amnesty, pylint: disable=unused-import
-    ExperimentData,
-    ExperimentKeyValue
-)
+from lms.djangoapps.experiments.models import ExperimentData  # lint-amnesty, pylint: disable=unused-import
 from lms.djangoapps.experiments.serializers import ExperimentDataSerializer
 from xmodule.modulestore.tests.factories import CourseFactory
 
diff --git a/lms/djangoapps/experiments/utils.py b/lms/djangoapps/experiments/utils.py
index 76a0ed5732..e6e657ff4c 100644
--- a/lms/djangoapps/experiments/utils.py
+++ b/lms/djangoapps/experiments/utils.py
@@ -23,9 +23,6 @@ from openedx.core.djangoapps.schedules.models import Schedule
 from openedx.features.course_duration_limits.access import get_user_course_duration, get_user_course_expiration_date
 from xmodule.partitions.partitions_service import get_all_partitions_for_course, get_user_partition_groups
 
-# Import this for backwards compatibility (so that anyone importing this function from here doesn't break)
-from .stable_bucketing import stable_bucketing_hash_group  # pylint: disable=unused-import
-
 logger = logging.getLogger(__name__)
 
 
diff --git a/lms/djangoapps/experiments/views.py b/lms/djangoapps/experiments/views.py
index e25c593904..6382fccd7d 100644
--- a/lms/djangoapps/experiments/views.py
+++ b/lms/djangoapps/experiments/views.py
@@ -4,15 +4,15 @@ Experimentation views
 
 
 from django.contrib.auth import get_user_model
-from django.db import transaction  # lint-amnesty, pylint: disable=unused-import
 from django.http import Http404
 from django_filters.rest_framework import DjangoFilterBackend
 from edx_rest_framework_extensions.auth.jwt.authentication import JwtAuthentication
 from edx_rest_framework_extensions.auth.session.authentication import SessionAuthenticationAllowInactiveUser
-from opaque_keys.edx.keys import CourseKey
-from rest_framework import permissions, viewsets
-from rest_framework.response import Response  # lint-amnesty, pylint: disable=unused-import, wrong-import-order
-from rest_framework.views import APIView
+from lms.djangoapps.courseware import courses
+from opaque_keys.edx.keys import CourseKey  # lint-amnesty, pylint: disable=wrong-import-order
+from rest_framework import permissions, viewsets  # lint-amnesty, pylint: disable=wrong-import-order
+from rest_framework.views import APIView  # lint-amnesty, pylint: disable=wrong-import-order
+from common.djangoapps.util.json_request import JsonResponse
 
 from common.djangoapps.student.models import get_user_by_username_or_email
 from common.djangoapps.util.json_request import JsonResponse