Follow these steps to delete a user's photo from their contact card:
  1. Go to Core > Users We> Edit User Profile Data.
  2. Using the filters, search for the user.
  3. Click on the user's name to enter their user profile.
  4. Under System Information, click on User Photo.
  5. Select Delete on Save.
  6. Click Save or Save & Exit.
Tip: This removes the user's photo from their user profile and from their contact card.