diff --git a/awx/settings/defaults.py b/awx/settings/defaults.py
index f98eb5337e06..0b5e000b40b0 100644
--- a/awx/settings/defaults.py
+++ b/awx/settings/defaults.py
@@ -346,7 +346,6 @@
     'DEFAULT_PAGINATION_CLASS': 'awx.api.pagination.Pagination',
     'PAGE_SIZE': 25,
     'DEFAULT_AUTHENTICATION_CLASSES': (
-        'ansible_base.authentication.session.SessionAuthentication',
         'awx.api.authentication.LoggedOAuth2Authentication',
         'awx.api.authentication.SessionAuthentication',
         'awx.api.authentication.LoggedBasicAuthentication',
@@ -372,7 +371,12 @@
 }
 
 AUTHENTICATION_BACKENDS = (
-    "ansible_base.authentication.backend.AnsibleBaseAuth",
+    'awx.sso.backends.LDAPBackend',
+    'awx.sso.backends.LDAPBackend1',
+    'awx.sso.backends.LDAPBackend2',
+    'awx.sso.backends.LDAPBackend3',
+    'awx.sso.backends.LDAPBackend4',
+    'awx.sso.backends.LDAPBackend5',
     'awx.sso.backends.RADIUSBackend',
     'awx.sso.backends.TACACSPlusBackend',
     'social_core.backends.google.GoogleOAuth2',
@@ -873,7 +877,6 @@
         'awx.analytics.broadcast_websocket': {'handlers': ['console', 'file', 'wsrelay', 'external_logger'], 'level': 'INFO', 'propagate': False},
         'awx.analytics.performance': {'handlers': ['console', 'file', 'tower_warnings', 'external_logger'], 'level': 'DEBUG', 'propagate': False},
         'awx.analytics.job_lifecycle': {'handlers': ['console', 'job_lifecycle'], 'level': 'DEBUG', 'propagate': False},
-        'ansible_base': {'handlers': ['console'], 'level': 'DEBUG'},
         'django_auth_ldap': {'handlers': ['console', 'file', 'tower_warnings'], 'level': 'DEBUG'},
         'social': {'handlers': ['console', 'file', 'tower_warnings'], 'level': 'DEBUG'},
         'system_tracking_migrations': {'handlers': ['console', 'file', 'tower_warnings'], 'level': 'DEBUG'},
@@ -965,8 +968,6 @@
 # K8S only. Use receptor_log_level on AWX spec to set this properly
 RECEPTOR_LOG_LEVEL = 'info'
 
-ANSIBLE_BASE_AUTHENTICATOR_CLASS_PREFIXES = ["ansible_base.authenticator_plugins"]
-
 MIDDLEWARE = [
     'django_guid.middleware.guid_middleware',
     'awx.main.middleware.SettingsCacheMiddleware',
@@ -977,7 +978,6 @@
     'django.middleware.locale.LocaleMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
-    'ansible_base.utils.middleware.AuthenticatorBackendMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'awx.main.middleware.DisableLocalAuthMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
diff --git a/awx/urls.py b/awx/urls.py
index cd274ff2041d..605f549d2317 100644
--- a/awx/urls.py
+++ b/awx/urls.py
@@ -5,14 +5,12 @@
 from django.urls import re_path, include
 
 from awx.main.views import handle_400, handle_403, handle_404, handle_500, handle_csp_violation, handle_login_redirect
-from ansible_base.urls import urls as base_urls
 
 
 urlpatterns = [
     re_path(r'', include('awx.ui.urls', namespace='ui')),
     re_path(r'^ui_next/.*', include('awx.ui_next.urls', namespace='ui_next')),
     re_path(r'^api/', include('awx.api.urls', namespace='api')),
-    re_path(r'^api/v1/', include(base_urls)),
     re_path(r'^sso/', include('awx.sso.urls', namespace='sso')),
     re_path(r'^sso/', include('social_django.urls', namespace='social')),
     re_path(r'^(?:api/)?400.html$', handle_400),