How to uninstall or remove postgresql-contrib software package from Ubuntu 14.04 LTS (Trusty Tahr)

You can uninstall or removes an installed postgresql-contrib package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,

$ sudo apt-get remove postgresql-contrib

Uninstall postgresql-contrib including dependent package

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

$ sudo apt-get remove --auto-remove postgresql-contrib

Use Purging postgresql-contrib

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

$ sudo apt-get purge postgresql-contrib

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 postgresql-contrib