MySQL eliminar los privilegios de los usuarios
REVOKE ALL PRIVILEGES ON database_name.* FROM 'username'@'host';
OR
DROP USER 'username'@'host';
Wizard Nook
REVOKE ALL PRIVILEGES ON database_name.* FROM 'username'@'host';
OR
DROP USER 'username'@'host';DROP USER IF EXISTS 'user'@'127.0.0.1' ;