$ sudo apt-get remove guile-pg 

Uninstall guile-pg including dependent package

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

$ sudo apt-get remove --auto-remove guile-pg 

Use Purging guile-pg

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

$ sudo apt-get purge guile-pg 

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 guile-pg 

See Also,