diff --git a/roles/debian/gitlab/defaults/main.yml b/roles/debian/gitlab/defaults/main.yml
index 225d7a2cf..d4c2243e3 100644
--- a/roles/debian/gitlab/defaults/main.yml
+++ b/roles/debian/gitlab/defaults/main.yml
@@ -96,3 +96,4 @@ gitlab:
     redirect_http_to_https: "true" # must be enabled if you're using LetsEncrypt above
     redirect_http_to_https_port: 80 # must be 80 if you're using LetsEncrypt above
     custom_nginx_config: "" # include extra config, for example "include /etc/nginx/conf.d/example.conf;"
+  block_removed_ldap_users_on_calendar: "*-*-* 02:30:00"
diff --git a/roles/debian/gitlab/tasks/main.yml b/roles/debian/gitlab/tasks/main.yml
index ce93c19b6..762c26ba8 100644
--- a/roles/debian/gitlab/tasks/main.yml
+++ b/roles/debian/gitlab/tasks/main.yml
@@ -128,6 +128,16 @@
   ansible.builtin.command: /opt/gitlab/bin/gitlab-ctl start
   when: gitlab.force_stop
 
+- name: Create systemd timer to sync removed LDAP users.
+  ansible.builtin.include_role:
+    name: contrib/systemd_timers
+  vars:
+    timers:
+      block_removed_ldap_users:
+        timer_command: "/usr/bin/gitlab-rake gitlab:cleanup:block_removed_ldap_users BLOCK=true"
+        timer_OnCalendar: "{{ gitlab.block_removed_ldap_users_on_calendar }}"
+  when: gitlab.ldap.enable
+
 # @TODO - this task fails in CI with GitHub Actions because PostGreSQL isn't running
 - name: Run the GitLab configuration script for config that cannot be set in gitlab.rb.
   ansible.builtin.command: /opt/gitlab/bin/gitlab-rails runner /etc/gitlab/gitlab-config.rb