Material has a kind of water texture/glitch?

[mat1998x]

Hello,

My dirt material is rather messed up... it looks like a very fast moving water when I move. Or when i'm even designing I can see it.

It's not the water around the map as I deleted that and it was still there. I deleted all the materials apart from the height map and it was still there. However when I change the height of the surface it goes. What could this be?

Example - http://gyazo.com/105ba8c5ea79a43e149e7184a200301b

[Graylord]

That's z-fighting. You have two terrains on top of eachother.

[mat1998x]

Ah, you were right, silly me. Thank you Is there any way I can select best answer or anything on here?