$ sudo apt-get remove olpc-xo1-hw 

Uninstall olpc-xo1-hw including dependent package

If you would like to remove olpc-xo1-hw and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove olpc-xo1-hw 

Use Purging olpc-xo1-hw

If you use with purge options to olpc-xo1-hw package all the configuration and dependent packages will be removed.

$ sudo apt-get purge olpc-xo1-hw 

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 olpc-xo1-hw 

See Also,