$ sudo apt-get remove camlp5-2by42

Uninstall camlp5-2by42 including dependent package

If you would like to remove camlp5-2by42 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove camlp5-2by42

Use Purging camlp5-2by42

If you use with purge options to camlp5-2by42 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge camlp5-2by42

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 camlp5-2by42

See Also,