Delete icons from Elgg topbar

How can to delete the links icons from Elgg topbar in the Seashells Elgg Theme  Delete icons from Elgg topbar

Open the file

elgg\mod\theme_seashells\views\default\navigation\topbar_tools.php

And delete this code

<img src=\"" .    $vars['url'] . "mod/theme_seashells/graphics/" . $item->name . "_icon.png\" />

How can to delete the links icons from Elgg topbar in the Seashells Elgg Theme