diff --git a/docs/using.rst b/docs/using.rst
index d398c1c4d..8e93bcb41 100644
--- a/docs/using.rst
+++ b/docs/using.rst
@@ -280,7 +280,6 @@ external_   Y    N    A plugin for convenient scripting (See also ticket 2782_)
 icecast_    N    Y    Deploy certificates to Icecast 2 streaming media servers
 pritunl_    N    Y    Install certificates in pritunl distributed OpenVPN servers
 proxmox_    N    Y    Install certificates in Proxmox Virtualization servers
-postfix_    N    Y    STARTTLS Everywhere is becoming a Certbot Postfix/Exim plugin
 heroku_     Y    Y    Integration with Heroku SSL
 =========== ==== ==== ===============================================================
 
@@ -294,7 +293,6 @@ heroku_     Y    Y    Integration with Heroku SSL
 .. _pritunl: https://github.com/kharkevich/letsencrypt-pritunl
 .. _proxmox: https://github.com/kharkevich/letsencrypt-proxmox
 .. _external: https://github.com/marcan/letsencrypt-external
-.. _postfix: https://github.com/EFForg/starttls-everywhere
 .. _heroku: https://github.com/gboudreau/certbot-heroku
 
 If you're interested, you can also :ref:`write your own plugin <dev-plugin>`.