Too many images appearing in Media folder

See if this tutorial points in the right direction: https://www.wpbeginner.com/wp-tutorials/how-to-prevent-wordpress-from-generating-image-sizes/

I dont’ have an issue with WordPress creating different image sizes, I have an issue with duplicate images displayed in Media folder, when they don’t exist on the server.

Any ideas?

Try reviewing https://www.wpbeginner.com/beginners-guide/how-to-fix-featured-images-appearing-twice-in-wordpress-posts/