How to Delete Old Google Profile Photos
Under the Google Account, there is an option to change or remove your profile photo. However, removing an old profile photo does not delete your previous profile photos.
To delete an old profile photo of your Google account, you can use the Google Album Archive:
- Go to: https://get.google.com/albumarchive
- Select the
Profile photos
album - Select the specific photo you want to delete
- Click on
More options
- Select
Delete photo
Reference
See the reference Google Support entry here: https://support.google.com/picasa/answer/7008270