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

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

$ sudo apt-get remove modemmanager

Uninstall modemmanager including dependent package

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

$ sudo apt-get remove --auto-remove modemmanager

Use Purging modemmanager

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

$ sudo apt-get purge modemmanager

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 modemmanager