$ sudo apt-get remove filetea 

Uninstall filetea including dependent package

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

$ sudo apt-get remove --auto-remove filetea 

Use Purging filetea

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

$ sudo apt-get purge filetea 

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 filetea 

See Also,