$ sudo apt-get remove elpa-parsebib 

Uninstall elpa-parsebib including dependent package

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

$ sudo apt-get remove --auto-remove elpa-parsebib 

Use Purging elpa-parsebib

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

$ sudo apt-get purge elpa-parsebib 

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 elpa-parsebib 

See Also,