function fb-remove_title($input) {
  return preg_replace_callback('#\stitle=["|\'].*["|\']#',
    create_function(
      '$matches',
      'return "";'
      ),
      $input
    );
  }
add_filter('wp_list_pages','fb-remove_title');

One crazy designer felt that the title attributes and image alt tool tips were a detraction to his perfect design. This snippit remove images alt="" and href title="" meta.

WordPress Remove Tool Tips and Title Attributes

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