Comment 47 for bug 228067

Emmanuel: To reverse the package preparation steps, you can uninstall the Prevu package, remove the Prevu directory, and remove Prevu's apt cache by following these steps:

1. Uninstall the Prevu package: sudo apt-get remove --purge prevu
2. Remove the Prevu directory: sudo rm -rf /var/cache/prevu
3. Remove Prevu's apt cache: sudo rm /var/cache/pbuilder/aptcache/*

Run the above commands in Terminal (Applications -> Terminal).