$ sudo apt-get remove afio 

Uninstall afio including dependent package

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

$ sudo apt-get remove --auto-remove afio 

Use Purging afio

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

$ sudo apt-get purge afio 

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 afio 

See Also,