1. Go to Divi Theme Options
Remove Featured Image Divi 3

2. Layout

3. Single Post Layout

4. Disable “Place Thumbs on Post” (Now is also a good time to turn off other stuff)

5. Don’t forget to save.   (and clear your cache if you have a cache plugin. [or put cloudflare in developer mode] )

… See you later

Remove Featured Image Divi 3 Image Explination