Disk Space

Xcode Errors

How to Clean Xcode CoreSimulator Devices and Reclaim Disk Space

Learn how to safely clean ~/Library/Developer/CoreSimulator/Devices to free up gigabytes of disk space without breaking your Xcode simulator setups.

November 12, 2026

Independent, tested fixes for Xcode errors, Swift & SwiftUI, App Store Connect, iOS and macOS problems. Built from real error messages and Apple’s own release notes.

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Disk Space

How to Clean Xcode CoreSimulator Devices and Reclaim Disk Space