Removing shadows

How do you remove shadows in ue4

I’ve got a pretty badly juddering game, It looks like frame rate issues, I’ve been told switching off shadows might help, but how do you do this and are there any other forms of optimisation I could do to make movement smooth to play?

I’d really appreciate some help!

I’ve switched off dynamic shadows in all the speed trees and static meshes, has made some difference but nothing substantial, I’ve also followed the optimisation steps from:

I’m aiming for a laptop build, I’d appreciate any ideas guys.