Lightroom: How To Remove All The Flags From All The Photos

Yesterday somebody asked my how to remove all the flags from all of her photos so she could start again from scratch. So today it's short and sweet:

1. Library → Catalog in the left panel → All Photographs
2. Ctrl-A/Command-A to select all the photos → U

Done

Tags: Dam | Lightroom | Lightroom-How-To | Technical