If you have created too many FTP user accounts or you want to remove then from an FTP account, then you can accomplish this by following this tutorial:
Log into your cPanel account.
In the
Filessection, click on theFTPicon.
Under the “FTP Accounts” list, click on the
Deletebutton.
Click on the
Deletebutton and your FTP account will be removed.
Do not use the Delete the Users Home Director option. Otherwise the data inside your FTP user account will also be removed and will be unrecoverable until you restore it from a backup.