I have a site that features some pages which do not require any post-back functionality. They simply display static HTML and don\'t even have any associated code. H
The method suggested by Martin must be used very carefully; because it may cause unexpected behaviors in your pages as Martin pointed in parenthesis. I've actually experienced it. But there is another option to remove viewstate content from page safely.
This option gives you the ability to use viewstate without setting false, it also allows you to remove it from your pages. Please check the articles below:
1- http://www.eggheadcafe.com/articles/20040613.asp
2- http://aspalliance.com/72
There is a solution file zipped under the Peter's article [1] you can download. I recommend that you read the second article also referenced by Peter. This is a perfect solution to remove viewstate content from your page while using its capabilities.