You may be interested in the Oug [1] tool

 [1] http://home.gna.org/oug/

> Oug is a code analysis tool building reference graphs from OCaml code, that
> is graphs representing which elements (value, module, class, ...) reference
> which elements. We will also call these graphs dependency graphs, each edge
> of the graph being annotated by a dependency kind.
>
> It comes with the Ouglib <http://home.gna.org/oug/refdoc/Ouglib.html>library to be able to embed the analyzer in other OCaml applications.
>
> From the graph, various outputs can be obtained: list of elements not
> referenced anywhere (useless elements and potential dead code), various
> Graphiz graphs, ...
>


On Tue, Feb 8, 2011 at 11:52 AM, Radu Grigore <radugrigore@gmail.com> wrote:

> Is there a tool that finds unused functions?
>
> It seems there was none in 2004:
>  https://groups.google.com/d/topic/fa.caml/D8aWkamzr-U/discussion
>
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