$ sudo apt-get remove caml2html 

Uninstall caml2html including dependent package

If you would like to remove caml2html and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove caml2html 

Use Purging caml2html

If you use with purge options to caml2html package all the configuration and dependent packages will be removed.

$ sudo apt-get purge caml2html 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove caml2html 

See Also,