UnrealEngine folder takes up 400GB

Hi,

I’ve built the nvRTX branch using VS, after which I played around a bit with the 5.4 branch to try and mix in an experimental plugin (that didn’t work) and reverted the build to a vanilla nvRTX build. Now my UnrealEngine folder is ~400 GB (I believe it’s supposed to be something like 160 GB). I’m guessing there’s a duplication issue or something?

How do I purge unnecessary files? Can I avoid deleting the whole folder and building from scratch?

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Have you managed to find a way to fix this?