diff --git a/lms/envs/aws.py b/lms/envs/aws.py
index bf65051e9c..9c3d4a952a 100644
--- a/lms/envs/aws.py
+++ b/lms/envs/aws.py
@@ -1,8 +1,7 @@
 # -*- coding: utf-8 -*-
 
 """
-This is the default template for our main set of AWS servers. This does NOT
-cover the content machines, which use content.py
+This is the default template for our main set of AWS servers.
 
 Common traits:
 * Use memcached, and cache-backed sessions
@@ -46,7 +45,6 @@ CONFIG_ROOT = path(os.environ.get('CONFIG_ROOT', ENV_ROOT))
 # prefix.
 CONFIG_PREFIX = SERVICE_VARIANT + "." if SERVICE_VARIANT else ""
 
-
 ################################ ALWAYS THE SAME ##############################
 
 DEBUG = False
@@ -271,12 +269,6 @@ BULK_EMAIL_ROUTING_KEY = ENV_TOKENS.get('BULK_EMAIL_ROUTING_KEY', HIGH_PRIORITY_
 # we have to reset the value here.
 BULK_EMAIL_ROUTING_KEY_SMALL_JOBS = ENV_TOKENS.get('BULK_EMAIL_ROUTING_KEY_SMALL_JOBS', LOW_PRIORITY_QUEUE)
 
-# Queue to use for updating persistent grades
-RECALCULATE_GRADES_ROUTING_KEY = ENV_TOKENS.get('RECALCULATE_GRADES_ROUTING_KEY', LOW_PRIORITY_QUEUE)
-
-# Queue to use for updating grades due to grading policy change
-POLICY_CHANGE_GRADES_ROUTING_KEY = ENV_TOKENS.get('POLICY_CHANGE_GRADES_ROUTING_KEY', LOW_PRIORITY_QUEUE)
-
 # Queue to use for expiring old entitlements
 ENTITLEMENTS_EXPIRATION_ROUTING_KEY = ENV_TOKENS.get('ENTITLEMENTS_EXPIRATION_ROUTING_KEY', LOW_PRIORITY_QUEUE)
 
@@ -1075,15 +1067,6 @@ PARENTAL_CONSENT_AGE_LIMIT = ENV_TOKENS.get(
     PARENTAL_CONSENT_AGE_LIMIT
 )
 
-############## Settings for ACE ####################################
-ACE_ENABLED_CHANNELS = ENV_TOKENS.get('ACE_ENABLED_CHANNELS', ACE_ENABLED_CHANNELS)
-ACE_ENABLED_POLICIES = ENV_TOKENS.get('ACE_ENABLED_POLICIES', ACE_ENABLED_POLICIES)
-ACE_CHANNEL_SAILTHRU_DEBUG = ENV_TOKENS.get('ACE_CHANNEL_SAILTHRU_DEBUG', ACE_CHANNEL_SAILTHRU_DEBUG)
-ACE_CHANNEL_SAILTHRU_TEMPLATE_NAME = ENV_TOKENS.get('ACE_CHANNEL_SAILTHRU_TEMPLATE_NAME', ACE_CHANNEL_SAILTHRU_TEMPLATE_NAME)
-ACE_CHANNEL_SAILTHRU_API_KEY = AUTH_TOKENS.get('ACE_CHANNEL_SAILTHRU_API_KEY', ACE_CHANNEL_SAILTHRU_API_KEY)
-ACE_CHANNEL_SAILTHRU_API_SECRET = AUTH_TOKENS.get('ACE_CHANNEL_SAILTHRU_API_SECRET', ACE_CHANNEL_SAILTHRU_API_SECRET)
-ACE_ROUTING_KEY = ENV_TOKENS.get('ACE_ROUTING_KEY', ACE_ROUTING_KEY)
-
 # Do NOT calculate this dynamically at startup with git because it's *slow*.
 EDX_PLATFORM_REVISION = ENV_TOKENS.get('EDX_PLATFORM_REVISION', EDX_PLATFORM_REVISION)
 
@@ -1101,6 +1084,11 @@ COMPLETION_VIDEO_COMPLETE_PERCENTAGE = ENV_TOKENS.get(
     COMPLETION_VIDEO_COMPLETE_PERCENTAGE,
 )
 
+############################### Plugin Settings ###############################
+
+from openedx.core.djangolib.django_plugins import DjangoAppRegistry, ProjectType, SettingsType
+DjangoAppRegistry.add_plugin_settings(__name__, ProjectType.LMS, SettingsType.AWS)
+
 ########################## Derive Any Derived Settings  #######################
 
 derive_settings(__name__)
diff --git a/lms/envs/common.py b/lms/envs/common.py
index 3220992aa6..f0c29f3f84 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -2015,14 +2015,6 @@ BULK_EMAIL_LOG_SENT_EMAILS = False
 # parallel, and what the SES rate is.
 BULK_EMAIL_RETRY_DELAY_BETWEEN_SENDS = 0.02
 
-############################# Persistent Grades ####################################
-
-# Queue to use for updating persistent grades
-RECALCULATE_GRADES_ROUTING_KEY = LOW_PRIORITY_QUEUE
-
-# Queue to use for updating grades due to grading policy change
-POLICY_CHANGE_GRADES_ROUTING_KEY = LOW_PRIORITY_QUEUE
-
 ############################# Email Opt In ####################################
 
 # Minimum age for organization-wide email opt in
@@ -2105,9 +2097,6 @@ INSTALLED_APPS = [
     # For content serving
     'openedx.core.djangoapps.contentserver',
 
-    # Theming
-    'openedx.core.djangoapps.theming.apps.ThemingConfig',
-
     # Site configuration for theming and behavioral modification
     'openedx.core.djangoapps.site_configuration',
 
@@ -2136,7 +2125,6 @@ INSTALLED_APPS = [
     'openedx.core.djangoapps.course_groups',
     'bulk_email',
     'branding',
-    'lms.djangoapps.grades.apps.GradesConfig',
 
     # Signals
     'openedx.core.djangoapps.signals.apps.SignalConfig',
@@ -2344,8 +2332,6 @@ INSTALLED_APPS = [
     'database_fixups',
 
     'openedx.core.djangoapps.waffle_utils',
-    'openedx.core.djangoapps.ace_common.apps.AceCommonConfig',
-    'openedx.core.djangoapps.schedules.apps.SchedulesConfig',
 
     # Course Goals
     'lms.djangoapps.course_goals',
@@ -3443,20 +3429,6 @@ COURSES_API_CACHE_TIMEOUT = 3600  # Value is in seconds
 COURSEGRAPH_JOB_QUEUE = LOW_PRIORITY_QUEUE
 
 
-############## Settings for ACE ####################################
-ACE_ENABLED_CHANNELS = [
-    'file_email'
-]
-ACE_ENABLED_POLICIES = [
-    'bulk_email_optout'
-]
-ACE_CHANNEL_SAILTHRU_DEBUG = True
-ACE_CHANNEL_SAILTHRU_TEMPLATE_NAME = 'Automated Communication Engine Email'
-ACE_CHANNEL_SAILTHRU_API_KEY = None
-ACE_CHANNEL_SAILTHRU_API_SECRET = None
-
-ACE_ROUTING_KEY = LOW_PRIORITY_QUEUE
-
 # Initialize to 'unknown', but read from JSON in aws.py
 EDX_PLATFORM_REVISION = 'unknown'
 
@@ -3469,3 +3441,9 @@ COMPLETION_VIDEO_COMPLETE_PERCENTAGE = 0.95
 ############### Settings for Django Rate limit #####################
 RATELIMIT_ENABLE = True
 RATELIMIT_RATE = '30/m'
+
+############## Plugin Django Apps #########################
+
+from openedx.core.djangolib.django_plugins import DjangoAppRegistry, ProjectType, SettingsType
+INSTALLED_APPS.extend(DjangoAppRegistry.get_plugin_apps(ProjectType.LMS))
+DjangoAppRegistry.add_plugin_settings(__name__, ProjectType.LMS, SettingsType.COMMON)
diff --git a/lms/envs/devstack.py b/lms/envs/devstack.py
index 04e187a84b..c73423b122 100644
--- a/lms/envs/devstack.py
+++ b/lms/envs/devstack.py
@@ -269,21 +269,9 @@ JWT_AUTH.update({
     'JWT_AUDIENCE': 'lms-key',
 })
 
-
-############## Settings for ACE ####################################
-ACE_ENABLED_CHANNELS = [
-    'file_email'
-]
-ACE_ENABLED_POLICIES = [
-    'bulk_email_optout'
-]
-ACE_CHANNEL_SAILTHRU_DEBUG = True
-ACE_CHANNEL_SAILTHRU_TEMPLATE_NAME = 'Automated Communication Engine Email'
-ACE_CHANNEL_SAILTHRU_API_KEY = None
-ACE_CHANNEL_SAILTHRU_API_SECRET = None
-
-ACE_ROUTING_KEY = LOW_PRIORITY_QUEUE
-
+#####################################################################
+from openedx.core.djangolib.django_plugins import DjangoAppRegistry, ProjectType, SettingsType
+DjangoAppRegistry.add_plugin_settings(__name__, ProjectType.LMS, SettingsType.DEVSTACK)
 
 #####################################################################
 # See if the developer has any local overrides.
diff --git a/lms/envs/test.py b/lms/envs/test.py
index f42194289b..f32d50b6e7 100644
--- a/lms/envs/test.py
+++ b/lms/envs/test.py
@@ -297,10 +297,6 @@ OIDC_COURSE_HANDLER_CACHE_TIMEOUT = 0
 FEATURES['ENABLE_MOBILE_REST_API'] = True
 FEATURES['ENABLE_VIDEO_ABSTRACTION_LAYER_API'] = True
 
-########################### Grades #################################
-FEATURES['PERSISTENT_GRADES_ENABLED_FOR_ALL_TESTS'] = True
-FEATURES['ASSUME_ZERO_GRADE_IF_ABSENT_FOR_ALL_TESTS'] = True
-
 ###################### Payment ##############################3
 # Enable fake payment processing page
 FEATURES['ENABLE_PAYMENT_FAKE'] = True
@@ -532,9 +528,6 @@ NOTES_DISABLED_TABS = []
 # Enable EdxNotes for tests.
 FEATURES['ENABLE_EDXNOTES'] = True
 
-# Enable teams feature for tests.
-FEATURES['ENABLE_TEAMS'] = True
-
 # Enable courseware search for tests
 FEATURES['ENABLE_COURSEWARE_SEARCH'] = True
 
@@ -601,6 +594,11 @@ ACTIVATION_EMAIL_FROM_ADDRESS = 'test_activate@edx.org'
 
 TEMPLATES[0]['OPTIONS']['debug'] = True
 
+####################### Plugin Settings ##########################
+
+from openedx.core.djangolib.django_plugins import DjangoAppRegistry, ProjectType, SettingsType
+DjangoAppRegistry.add_plugin_settings(__name__, ProjectType.LMS, SettingsType.TEST)
+
 ########################## Derive Any Derived Settings  #######################
 
 derive_settings(__name__)
diff --git a/lms/urls.py b/lms/urls.py
index 7a3f6fd78f..1098e6fa0b 100644
--- a/lms/urls.py
+++ b/lms/urls.py
@@ -133,9 +133,6 @@ urlpatterns = [
     # URLs for managing dark launches of languages
     url(r'^update_lang/', include('openedx.core.djangoapps.dark_lang.urls', namespace='dark_lang')),
 
-    # URLs for managing theming
-    url(r'^theming/', include('openedx.core.djangoapps.theming.urls', namespace='theming')),
-
     # For redirecting to help pages.
     url(r'^help_token/', include('help_tokens.urls')),
 
@@ -478,13 +475,6 @@ urlpatterns += [
         name='program_marketing_view',
     ),
 
-    # rest api for grades
-    url(
-        r'^api/grades/',
-        include('lms.djangoapps.grades.api.urls', namespace='grades_api')
-    ),
-
-
     # For the instructor
     url(
         r'^courses/{}/instructor$'.format(
@@ -1084,3 +1074,7 @@ if settings.BRANCH_IO_KEY:
     urlpatterns += [
         url(r'^text-me-the-app', 'student.views.text_me_the_app', name='text_me_the_app'),
     ]
+
+
+from openedx.core.djangolib.django_plugins import DjangoAppRegistry, ProjectType
+urlpatterns.extend(DjangoAppRegistry.get_plugin_url_patterns(ProjectType.LMS))