diff --git a/dynamicweb/settings/base.py b/dynamicweb/settings/base.py
index bc71d6bf..fcd921a8 100644
--- a/dynamicweb/settings/base.py
+++ b/dynamicweb/settings/base.py
@@ -10,10 +10,7 @@ import os
 
 # dotenv
 import dotenv
-import ldap
-
 from django.utils.translation import ugettext_lazy as _
-from django_auth_ldap.config import LDAPSearch, LDAPSearchUnion
 
 logger = logging.getLogger(__name__)
 
@@ -741,8 +738,6 @@ LDAP_DEFAULT_START_UID = int(env('LDAP_DEFAULT_START_UID'))
 
 # Search union over OUs
 search_base = env('LDAPSEARCH').split()
-search_base_ldap = [LDAPSearch(x, ldap.SCOPE_SUBTREE, "(uid=%(user)s)") for x in search_base]
-AUTH_LDAP_USER_SEARCH = LDAPSearchUnion(*search_base_ldap)
 AUTH_LDAP_START_TLS = bool(os.environ.get('LDAP_USE_TLS', False))
 
 ENTIRE_SEARCH_BASE = env("ENTIRE_SEARCH_BASE")
diff --git a/requirements.txt b/requirements.txt
index b77e4f51..5fb2ec67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,6 +63,7 @@ djangocms-text-ckeditor==2.9.3
 djangocms-video==1.0.0
 easy-thumbnails==2.3
 html5lib==0.9999999
+ldap3==2.6.1
 lxml==3.6.0
 model-mommy==1.2.6
 phonenumbers==7.4.0