diff --git a/chris_backend/config/settings/local.py b/chris_backend/config/settings/local.py
index 7d3d009a..9c37b980 100755
--- a/chris_backend/config/settings/local.py
+++ b/chris_backend/config/settings/local.py
@@ -208,7 +208,7 @@
     AUTH_LDAP_USER_FLAGS_BY_GROUP = {
         'is_staff': f'cn={AUTH_LDAP_CHRIS_ADMIN_GROUP},{AUTH_LDAP_GROUP_SEARCH_ROOT}'
     }
-    AUTH_LDAP_MIRROR_GROUPS_EXCEPT = ['all_users', 'pacs_users']
+    AUTH_LDAP_MIRROR_GROUPS_EXCEPT = ['all_users']
 
     AUTHENTICATION_BACKENDS = (
         'users.models.CustomLDAPBackend',
diff --git a/chris_backend/config/settings/production.py b/chris_backend/config/settings/production.py
index 132d6ba7..2cfbc146 100755
--- a/chris_backend/config/settings/production.py
+++ b/chris_backend/config/settings/production.py
@@ -184,7 +184,7 @@ def get_secret(setting, secret_type=env):
     AUTH_LDAP_USER_FLAGS_BY_GROUP = {
         'is_staff': f'cn={AUTH_LDAP_CHRIS_ADMIN_GROUP},{AUTH_LDAP_GROUP_SEARCH_ROOT}'
     }
-    AUTH_LDAP_MIRROR_GROUPS_EXCEPT = ['all_users', 'pacs_users']
+    AUTH_LDAP_MIRROR_GROUPS_EXCEPT = ['all_users']
 
     AUTHENTICATION_BACKENDS = (
         'users.models.CustomLDAPBackend',