diff --git a/admin_manual/configuration_files/files_locking_transactional.rst b/admin_manual/configuration_files/files_locking_transactional.rst
index 93bd77674..368143f3c 100644
--- a/admin_manual/configuration_files/files_locking_transactional.rst
+++ b/admin_manual/configuration_files/files_locking_transactional.rst
@@ -59,9 +59,6 @@ recommended if Redis is running on the same system as Nextcloud) use this exampl
 See ``config.sample.php`` to see configuration examples for Redis, and for all
 supported memcaches.
 
-If you are on Ubuntu you can follow `this guide
-<https://www.techandme.se/how-to-configure-redis-cache-in-ubuntu-14-04-with-owncloud/>`_ for a complete installation from scratch.
-
 Learn more about Redis at `Redis <http://redis.io/>`_. Memcached, the popular
 distributed memory caching system, is not suitable for the new file locking
 because it is not designed to store locks, and data can disappear from the cache