Removing photos from an existing album on Dropbox is easy. If you want remove photos then go to 'Photos' page on your Dropbox website. If you remove photos from an album, they will not delete from your account. To remove a photo from an album, open the album and double-click the photo to see it in full size. Click 'Gear' icon located at the bottom right corner of the window and select 'Remove from album' option.