As a result of this, you are required to delete older backups to make room for newer backups. Whenever your WD My Passport is running out of space, you may be unable to perform any other backup process. Reasons for Why Need to Deleted Old Backups on WD My Passport How to Clear Junk Files on WD My Passport for Mac Part 1. How to Delete Old Time Machine Backups on WD My Passport on Mac Part 3. Reasons for Why Need to Deleted Old Backups on WD My Passport Part 2. This tutorial will teach you about the situations in which you may need to delete and how to delete old backups on your WD My Passport for Mac in two different ways. With time and use, your WD My Passport drive gets full with older backups which may need to be deleted because the older they get, the more useless they become. So you might have been wondering about how to delete backup files from WD My Passport Ultra. Time machine automatically deletes the oldest backup whenever you want to make a newer backup though sometimes, Time Machine doesn’t do this and you will have to do it yourself. Time Machine is an amazing tool used for backup creation. WD My passport is a good drive for creating backups on Mac as it is paired with Apple’s Time Machine backup software which helps ease the process of backing up your Mac. Updated to Mac Disk Clean Tips by Amy on | Approved by Coletta Teske Whitehead