How to uninstall XP PIAs
 

I downloaded the XP PIAs from
http://msdn.microsoft.com/library/default.asp?
url=/library/en-us/dnoxpta/html/odc_oxppias.asp
..
I had program working with Excel object (Excel 2002).
After I upgrade the Excel to Excel2003, I want to
uninstall the old XP PIAs. How can I do it?
Thank you for your input.