diff --git a/src/account_helper/admin.py b/src/account_helper/admin.py
index b3cca1d..1929cf8 100644
--- a/src/account_helper/admin.py
+++ b/src/account_helper/admin.py
@@ -1,6 +1,6 @@
 from django.contrib import admin
-from .models import Realm
+from .models import Realm, DeletedUser
 
 # Register your models here.
 admin.site.register(Realm)
-# admin.site.register(DeletedUser)
+admin.site.register(DeletedUser)
diff --git a/src/account_helper/management/commands/deletable.py b/src/account_helper/management/commands/deletable.py
index 60e7d86..36497c0 100644
--- a/src/account_helper/management/commands/deletable.py
+++ b/src/account_helper/management/commands/deletable.py
@@ -23,22 +23,22 @@ class Command(BaseCommand):
         )
 
     def handle(self, *args, **options):
-        deletables = DeletedUser.objects.filter(deletion_date__lte=timezone.now() + timezone.timedelta(+16))
+        deletables = DeletedUser.objects.filter(deletion_date__lte=timezone.now())
         output = ""
         if options['json']:
-            django_serialized = serializers.serialize('json', deletables)
-            output = json.dumps({'deletables': json.loads(django_serialized)})
+            json_output = {'deletables': []}
+            for deletable in deletables:
+                json_output['deletables'].append({'ldap_dn': deletable.ldap_dn, 'username': deletable.user.username})
+            output = json.dumps(json_output)
         else:
             for user in deletables:
                 output += f'{user}\n'
 
         if options['delete']:
+            LdapUser.base_dn = LdapUser.ROOT_DN
             for user in deletables:
-                # LdapGroup.base_dn = LdapGroup.ROOT_DN
-                # user_groups = LdapGroup.objects.filter(members__contains=user.ldap_dn)
-                LdapUser.base_dn = LdapUser.ROOT_DN
                 ldap_user = LdapUser.objects.get(dn=user.ldap_dn)
-                LdapGroup.remove_user_from_groups(ldap_user)
+                LdapGroup.remove_user_from_groups(ldap_user.dn)
                 ldap_user.delete()
                 try:
                     user.user.delete()
diff --git a/src/account_helper/models.py b/src/account_helper/models.py
index 1e6d559..f363f52 100644
--- a/src/account_helper/models.py
+++ b/src/account_helper/models.py
@@ -14,3 +14,16 @@ class Realm(models.Model):
     def __str__(self):
         return f'{self.name} - {self.ldap_base_dn}'
 
+
+def get_deletion_time():
+    return timezone.now() + timezone.timedelta(+14)
+
+
+class DeletedUser(models.Model):
+    deletion_marker_date = models.DateField(auto_now_add=True)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    ldap_dn = models.CharField(max_length=512, unique=True)
+    deletion_date = models.DateField(default=get_deletion_time)
+
+    def __str__(self):
+        return f'{self.user.username} - {self.deletion_marker_date} - {self.deletion_date} - {self.ldap_dn}'
diff --git a/src/account_manager/models.py b/src/account_manager/models.py
index 999c8aa..33ccafd 100644
--- a/src/account_manager/models.py
+++ b/src/account_manager/models.py
@@ -6,6 +6,7 @@ from datetime import datetime, timedelta
 
 from django.contrib.auth.models import User
 from django.core.exceptions import ObjectDoesNotExist
+from django.db import OperationalError
 from django.db.models import Q
 from ldap import NO_SUCH_OBJECT, ALREADY_EXISTS
 from ldapdb.models import fields as ldap_fields
@@ -16,6 +17,8 @@ from account_manager.utils.mail_utils import send_welcome_mail
 
 logger = logging.getLogger(__name__)
 
+import ldap
+
 
 class LdapUser(Model):
     """
@@ -132,17 +135,13 @@ class LdapGroup(Model):
         return LdapGroup.objects.filter(members=user.dn)
 
     @staticmethod
-    def remove_user_from_groups(ldap_user, user_groups=None):
+    def remove_user_from_groups(ldap_user_dn, user_groups=None):
         if not user_groups:
             LdapGroup.base_dn = LdapGroup.ROOT_DN
-            user_groups = LdapGroup.objects.filter(members__contains=ldap_user.dn)
+            user_groups = LdapGroup.objects.filter(members__contains=ldap_user_dn)
         for group in user_groups:
-            logger.info(group.members)
-            logger.info(ldap_user)
-            group.members.remove(ldap_user.dn)
-            logger.info(group)
-            # logger.info(get_filterstr(group))
-            # LdapGroup.base_dn = 'cn=uiuiui,ou=groups,ou=wiai,ou=fachschaften,dc=test,dc=de'
+            LdapGroup.base_dn = re.compile('cn=([a-zA-Z0-9_-]*),(ou=[a-zA-Z_]*.*)').match(group.dn).group(2)
+            group.members.remove(ldap_user_dn)
             group.save()
 
     def __str__(self):
diff --git a/src/account_manager/views/user_views.py b/src/account_manager/views/user_views.py
index a4a3460..a20529f 100644
--- a/src/account_manager/views/user_views.py
+++ b/src/account_manager/views/user_views.py
@@ -13,7 +13,7 @@ from django.shortcuts import render, redirect
 from django.utils.translation import gettext as _
 from ldap import ALREADY_EXISTS, OBJECT_CLASS_VIOLATION
 
-from account_helper.models import Realm
+from account_helper.models import Realm, DeletedUser
 from account_manager.forms import AddLDAPUserForm, UserDeleteListForm, UpdateLDAPUserForm, AdminUpdateLDAPUserForm, \
     UserGroupListForm
 from account_manager.main_views import is_realm_admin