Autodesk Suite Uninstallation Tools

Building Design Suites as of 2014 have a built-in uninstallation tool (very handy).

For (some) 2013 suites:
How to perform an automated uninstallation of the AutoCAD Design Suite 2013 family of products

You could also go the “manual” route:
How to remove all Autodesk products from a Windows system

2013: How to Complete a Clean Install [Uninstall] of Revit products

2012: How to Complete a Clean Install [Uninstall] of Revit products

Heads-up via
revit in plain english: Building Design Suite 2014 Unistaller
via
https://twitter.com/MicroCAD3d/statuses/332585560122224640