remove a filter from a specific visual in an embedded report

I will like to remove a filter from a visual  in my embeded report. The user will initiate the action by clicking an html element outside of the embedded iframe.  I know how to locate   the object of my visual and i know i need to call:

visual.removeFilters();

But then what, how do i cause the report to refresh? Calling report.reload() simply causes the report to reload its default filters.

thanks for the help