$ sudo apt-get remove dbab 

Uninstall dbab including dependent package

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

$ sudo apt-get remove --auto-remove dbab 

Use Purging dbab

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

$ sudo apt-get purge dbab 

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 dbab 

See Also,