Xcode Junk Xcode Cache
~/Library/Caches/com.apple.dt.Xcode stores temporary cache data used by Xcode to speed up development tasks, indexing, and other project-related work.
What is Xcode Junk Xcode Cache?
This folder contains cache files created by Xcode on macOS. Xcode uses cached data to speed up parts of the development workflow, such as loading project information, indexing, and other temporary IDE operations. Developers may encounter this folder when troubleshooting Xcode problems, reclaiming disk space, or resetting development tools after corrupted cached data causes slowdowns or odd behavior. The contents are not the same as your source code, project files, or primary app assets. Removing the folder forces Xcode to rebuild cache data the next time you open projects or run related tasks, which can make the first launch or first build slower until the cache is recreated.
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Safety overview
Status: Mostly safe
This is a user cache folder for Apple Xcode, not a system-critical macOS component. Deleting it does not remove your projects, but Xcode may need extra time to reopen workspaces, reindex code, or rebuild temporary data afterward. Only remove it when Xcode is closed to avoid interrupting active development tasks.
Recommendation: Keep this folder if you use Xcode regularly and want the fastest day-to-day performance. If Xcode is misbehaving, consuming excessive space, or you no longer use Apple’s development tools, you can delete this cache and let Xcode recreate it later if needed.
File path
~/Library/Caches/com.apple.dt.Xcode
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