diff --git a/cms/envs/common.py b/cms/envs/common.py
index a40ef75dd3..d4fb098f6f 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -39,9 +39,7 @@ When refering to XBlocks, we use the entry-point name. For example,
 # pylint: disable=unused-import, useless-suppression, wrong-import-order, wrong-import-position
 
 import importlib.util
-import json
 import os
-import sys
 
 from corsheaders.defaults import default_headers as corsheaders_default_headers
 from datetime import timedelta
@@ -53,19 +51,12 @@ import lms.envs.common
 from openedx.envs.common import *  # pylint: disable=wildcard-import
 
 from path import Path as path
-from django.urls import reverse_lazy
 
 from lms.djangoapps.lms_xblock.mixin import LmsBlockMixin
 from cms.lib.xblock.authoring_mixin import AuthoringMixin
 from cms.lib.xblock.upstream_sync import UpstreamSyncMixin
 from xmodule.modulestore.edit_info import EditInfoMixin
-from openedx.core.djangoapps.theming.helpers_dirs import (
-    get_themes_unchecked,
-    get_theme_base_dirs_from_settings
-)
-from openedx.core.lib.license import LicenseMixin
 from openedx.core.lib.derived import Derived
-from openedx.core.release import doc_version
 from openedx.core.lib.features_setting_proxy import FeaturesProxy
 
 # A proxy for feature flags stored in the settings namespace
@@ -735,8 +726,6 @@ STATICFILES_FINDERS = [
     'pipeline.finders.PipelineFinder',
 ]
 
-from openedx.core.lib.rooted_paths import rooted_glob
-
 PIPELINE['STYLESHEETS'] = {
     'style-vendor': {
         'source_filenames': [
diff --git a/lms/envs/common.py b/lms/envs/common.py
index 3dde7156b9..b28c9099e9 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -41,10 +41,8 @@ Conventions
 # pylint: disable=invalid-name
 
 import importlib.util
-import sys
 import os
 
-import django
 from corsheaders.defaults import default_headers as corsheaders_default_headers
 from path import Path as path
 from django.utils.translation import gettext_lazy as _
diff --git a/openedx/envs/common.py b/openedx/envs/common.py
index ada6fd3f0b..c00a89cf4f 100644
--- a/openedx/envs/common.py
+++ b/openedx/envs/common.py
@@ -37,6 +37,8 @@ from openedx.core.djangoapps.theming.helpers_dirs import (
     get_theme_base_dirs_from_settings
 )
 
+# We have legacy components that reference these constants via the settings module.
+# New code should import them directly from `openedx.core.constants` instead.
 from openedx.core.constants import (  # pylint: disable=unused-import
     ASSET_KEY_PATTERN,
     COURSE_KEY_REGEX,