RemoveMacAI is a command-line tool that turns off Apple Intelligence on macOS 27, removes its downloaded on-device models, and prevents macOS from re-downloading them. It offers a one-line installer or Homebrew package and commands to show status, perform a dry-run, disable selected features, and fully revert changes. Features it disables include Siri (including Hey Siri), Writing Tools, Genmoji, Image Playground, the ChatGPT extension, summaries in Mail/Messages/Safari/Notes/notifications, Mail smart replies, inline text predictions, Spatial Photos, Photos Clean Up, and Xcode predictive code completion. It removes Apple’s foundation models plus model sets for image generation, Genmoji, Spatial Photos, Photos Clean Up and Xcode code completion to recover disk space.
Technically, it installs an Apple configuration profile that applies restriction keys and forces off settings without modifying /System or disabling System Integrity Protection. Models are removed via Apple’s asset service, and downloads are blocked by redirecting model URLs to a closed local port so macOS won’t fetch them again; removing the profile restores prior behavior and allows models to be re-downloaded. The tool makes no network requests or data collection; releases are SHA-256 verified and built with provenance attestation. Requirements: Apple silicon running macOS 27. It is open-source under MIT and fully reversible.
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