Removing a database is permanent, so back it up first. From cPanel:
- Open phpMyAdmin, select the database, click Export and save a
.sqlcopy. - Go to MySQL Databases and scroll to Current Databases.
- Find the database in the list and click Delete Database, then confirm.
You can delete unused database users separately under Current Users. Deleting a database does not remove your website files, but any app still pointing to it will break, so only delete ones you are sure are unused. There is no undo, so keep that export safe. Unsure whether a database is in use? Open a ticket before deleting.