Step 1: Login to cPanel
Step 2: Enter your username and password. Click the blue login button to log in to the main cPanel page.
Step 3. Once you’re logged in, locate the "Databases" section of cPanel. Within, there is an icon for "MySQL® Databases". Click on the “MySQL® Databases" icon.
Step 4. In MySQL® Databases under “Current Users”, click Delete under the “Actions” column.
Step 5. The Delete MySQL User dialog box appears and you’ll be prompted to confirm the deletion of the selected database.
Step 6. Click Delete User button and cPanel deletes the database.