Xcode creates big folder in ~Library

Hi there,


I'm a newbie in Xcode and App Development and have only a "Hello World" App and two Playgrounds.

But unfortunately Xcode creates a really big folder in my User Library named "Developer". At time it is 4 GB big and it is still growing. In this folder there are the folders "CoreSimulator", "Xcode" and "XCPGDevices".


Why Xcode creates this folder? What it is good for?

Is there a way to decrease this folder in Xcode Preferences or can I delete it "by hand"?


I'm also cutting movies so I need a lot of disk storage. And when it grows up and up with no ending at some time my storage is full.

So I hope you can help me!


Best regards!


Xcode 9.4.1

MacOS High Sierra 10.13.6

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I'm using a 256 GB SSD so it isn't so a big problem but I'm just intresting in what these files are using for?

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