SpeedTree When Export to UE4 has 8 UV Channels how to erase this?

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1

I exported my srt file from speedtree to UE4 and its prodcing 8 UV channels in which I only need 2, how can I delete the rest of the UV Channels. ty

2

The texture coordinates are where all of the per-vertex SpeedTree data resides. If you use the SpeedTree node in your material, you need that data, even if you are only using one or two actual texture lookups. The data includes wind, smooth LOD, camera-facing, and AO information, depending on the geometry type.