original issue: https://github.com/elixir-lang/ex_doc/issues/321 I created a shell script that checks for anything references to Modules that are not actually linked http://git.io/check_not_linked_exdoc.sh You can see the output here: https://gist.github.com/eksperimental/6dc9bce36710a3c8b1d9 I will update the script to work with regular elixir projects, so it can be used by other projects