How to clear the value="" attribute of html: text

Hi, I'm trying to clear the value="teste" attribute from tag html:text , but I'm not getting it, the problem is that I submit form with an empty field that is mandatory it does redirect for the same page but with the values saved in the field that was entered before, I want to clear this data which gets saved in the value field. Below is the rendered page. I'm using Struts 1.1 and JSP