Deleting all data of a site in Firefox

The latest version of FireFox has good feature which suggest the URLs from your history as you type. But it would be annoying if suggest list the site you are not interested on.

To delete those sites from history.

1. Goto Menu History > Show all history (or) ctrl+shift+H

2. Select the site you can to delete by searching (or) browsing through the history.

3. Right click and say 'Forget about this site'

It will delete all the history of the selected site.