remove useless classes from body

wordpress clean body classes

<?php 
/**
 * Add and remove body_class() classes
 */
function mica_body_class($classes) {
  // Add post/page slug if not present
  if (is_single() || is_page() && !is_front_page()) {
    if (!in_array(basename(get_permalink()), $classes)) {
      $classes[] = basename(get_permalink());
    }
  }

  // Remove unnecessary classes
  $home_id_class = 'page-id-' . get_option('page_on_front');
  $uslesspage_id_class= 'page-id-'.get_the_ID();
  $usless_id_class= 'postid-'.get_the_ID();
  $remove_classes = [
    'page-template-default',
    'blog',
    'single-post', 
    'postid-1',
    'single-format-standard',
    $home_id_class,
    $usless_id_class,
    $uslesspage_id_class
  ];
  $classes = array_diff($classes, $remove_classes);

  return $classes;
}
add_filter('body_class', __NAMESPACE__ . '\\mica_body_class');

?>