orm:
        entity_managers:
            default:
                filters:
                    softdeleteable:
                        class: Gedmo\SoftDeleteable\Filter\SoftDeleteableFilter
                        enabled: true

stof_doctrine_extensions:
    orm:
        default:
            softdeleteable: true

use Gedmo\Mapping\Annotation as Gedmo;
@Gedmo\SoftDeleteable(fieldName="deleted_at", timeAware=false)/

    /**
     * @ORM\Column(type="datetime", nullable=true)
     */
    private $deleted_at;