I updated macOS to Big Sur for my late 2016 MacBook Pro.

When I check the storage:

Xcode Caches takes a huge size of storage. I deleted it and it will show up again.

Why is it so huge? Can I delete them and how to delete them?

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2 Answers

They are not caches. But simulators for various devices like AppleTV, Watch, and iPhones.

You can delete them from the app.

Xcode Simulator: how to remove older unneeded devices?

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That whole file that you see labeled Xcode Caches listed within the Developer tab after you've decided to view the storage management, is not all comprised of Caches. It has iOS simulators and inside there are caches of the simulators. To delete those caches, you can use CleanMyMacX. Open the app, and select space lens then navigate to the Developer folder within the Library folder. Select CoreSimulator and inside you'll find the Caches folder which is the one that you should delete.

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