How to DELETE an image from the Film page photo gallery

Does anyone know how to delete a photo from the IMDB film page photo gallery? It's very clear how to add a photo but deleting it has been a frustrating unproductive experience. I've tried on IMDB Pro too. All the info on via the Help Centre is so unclear. They never specify whether the steps are via IMDB or IMDB Pro. On the IMDb Image FAQs Help page, there is not one title - How to delete an image?!! It's so unintuitive. Hoping someone can help me please! Thank you.