有一个名为wp_prepare_themes_for_js 在里面wp-admin/includes/theme.php 在wp_prepare_themes_for_js() 函数，该函数由调用wp-admin/themes.php 填充主题集。该过滤器将允许您从列表中删除主题。当然，你必须知道主题名称。

function kill_theme_wpse_188906($themes) {
  unset($themes[\'twentyten\']);
  return $themes;
}
add_filter(\'wp_prepare_themes_for_js\',\'kill_theme_wpse_188906\');