WordPress anonymize IP in comments

Add as last line in theme’s functions.php:

function wpb_remove_commentsip($comment_author_ip) {
  return '127.0.0.1';
}
add_filter('pre_comment_user_ip','wpb_remove_commentsip');

WordPress remove version info

Add as last line in theme’s functions.php:

function remove_version_info() {
  return '';
}
add_filter('the_generator', 'remove_version_info');