Title says it all, pretty new to UE4, only started using it around 4 days ago. Provided gifs to show what I mean.
This is Screen Space Reflection and it is enabled by default to reflect objects on a metallic surface. You can turn it off in your post process settings (set intensity to 0) or you reduce your metallic values on your ground material.
Ah, thank you! Was wondering what it was, couldn’t get rid of it.