# Xcode: folders and what is safe to delete

- `~/Library/Caches/com.apple.dt.Xcode`: Temporary files, Safe
- `~/Library/Developer/CoreSimulator/Caches`: Pretend device speed-up files, Safe
- `~/Library/Developer/CoreSimulator/Devices`: Pretend iPhones and iPads, Check first
- `~/Library/Developer/CoreSimulator/Devices/*`: One pretend device, Check first
- `~/Library/Developer/CoreSimulator/Volumes`: Pretend device systems, Check first
- `~/Library/Developer/Xcode/Archives`: Finished app builds, Check first
- [~/Library/Developer/Xcode/DerivedData](https://gigabroom.com/guides/xcode-deriveddata/): Working files for app projects, Rebuilds itself
- `~/Library/Developer/Xcode/DocumentationCache`: Help pages copy, Rebuilds itself
- `~/Library/Developer/Xcode/iOS DeviceSupport`: iPhone system copies, Rebuilds itself
- `~/Library/Developer/Xcode/Products`: Exported app copies, Check first
- `~/Library/Developer/Xcode/tvOS DeviceSupport`: Apple TV system copies, Rebuilds itself
- `~/Library/Developer/Xcode/UserData/IB Support`: Screen designer helpers, Rebuilds itself
- `~/Library/Developer/Xcode/UserData/Previews`: Live preview devices, Rebuilds itself
- `~/Library/Developer/Xcode/visionOS DeviceSupport`: Vision Pro system copies, Rebuilds itself
- `~/Library/Developer/Xcode/watchOS DeviceSupport`: Apple Watch system copies, Rebuilds itself
- `~/Library/Developer/XCPGDevices`: Playground devices, Rebuilds itself
- `~/Library/Developer/XCTestDevices`: Testing devices, Rebuilds itself