JSFiddle - React, Tailwind, and code Playground
HTML
<select>
<option value="">Empty value</option>
<option value="dskj">Not empty</option>
</select>
JavaScript
$('select option[value=""]').remove();
<select>
<option value="">Empty value</option>
<option value="dskj">Not empty</option>
</select>
$('select option[value=""]').remove();