Remove the dashboard widgets for all users on WordPress

// remove_dashboard_widgets - Remove the dashboard widgets for all users
//===================================================================================================
function remove_dashboard_widgets()
{
  global $wp_meta_boxes;
  unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);
  unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_recent_comments']);
  unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']);
  unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_incoming_links']);
  unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_right_now']);
  unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']); 
  unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_quick_press']); 
  unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_recent_drafts']);
  remove_action('welcome_panel', 'wp_welcome_panel');
}
add_action('wp_dashboard_setup', 'remove_dashboard_widgets');