JSFiddle - React, Tailwind, and code Playground

HTML

Select One
<select>
    <option>Item1</option>
    <option>Item2</option>
    <option>Item3</option>
    <option disabled>Item4</option>
    <option disabled>Item5</option>
</select>

JavaScript

[].forEach.call(document.querySelectorAll('*[disabled]'), function(element) {
  element.parentNode.removeChild(element)
})