Umate Mac Cleaner gives you a chance to erase photo junk on Mac. Launch Umate and choose 'Erase Private Data' tab, click 'Scan' for locating the private stuff. After scanning, you will see how many erasable privacy files in the next window, including online traces, usage traces, chat data and photo junk, etc. Select 'Photo Junk' and click 'Erase' to wipe them out of your Mac.