add_filter('use_transients', '__return_false');
add_filter('set_transient', '__return_false');
add_filter('get_transient', '__return_false');
add_filter('delete_transient', '__return_false');
add_filter( 'pre_set_transient', '__return_false', 10, 2 );
add_filter( 'pre_set_site_transient', '__return_false', 10, 2 );
add_filter('transient_{$transient}', '__return_false', 10, 1);
add_filter('site_transient_{$transient}', '__return_false', 10, 1);