How to uninstall or remove libqtcontacts1 software package from Ubuntu 14.04 LTS (Trusty Tahr)

You can uninstall or removes an installed libqtcontacts1 package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,

$ sudo apt-get remove libqtcontacts1

Uninstall libqtcontacts1 including dependent package

If you would like to remove libqtcontacts1 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libqtcontacts1

Use Purging libqtcontacts1

If you use with purge options to libqtcontacts1 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libqtcontacts1

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 libqtcontacts1