Please follow the below steps to delete a database in cPanel.
Step-1: Login to your cPanel account and search database and select MySQL Databases.
Step-2: Under “Current Databases” you will see a list of all your databases. Select the Database you want to remove and then click on the “Delete” button.
Step-3: You will be asked for final confirmation, click on the “Delete Database” button to confirm.
Step-4: You will see below message for the confirmation from the server that the database has been deleted.