How do I get rid of it?

[taubatemaker]

Looks like a problem with shadows
GPU: 5600 XT
Playing with all on ultra

http://imgur.com/a/sPmsAz8

 

[KeldornOfLatria]

I don't get it – what exactly is the problem? (Sorry...)

 

[Riven-Twain]

Ay, it's a bit difficult to determine what is the issue from that clip. Could you be more specific, please?

 

[taubatemaker]

Ay, it's a bit difficult to determine what is the issue from that clip. Could you be more specific, please?

I think it's called foliage dithering, also my shadows are really bad despite playing in ultra