How to uninstall or remove libxcb-icccm4 software package from Ubuntu 14.04 LTS (Trusty Tahr)

You can uninstall or removes an installed libxcb-icccm4 package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,

$ sudo apt-get remove libxcb-icccm4

Uninstall libxcb-icccm4 including dependent package

If you would like to remove libxcb-icccm4 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libxcb-icccm4

Use Purging libxcb-icccm4

If you use with purge options to libxcb-icccm4 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libxcb-icccm4

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 libxcb-icccm4