You're probably aware that while Siri is a "personal assistant," the interactions you share with the AI aren't kept completely confidential. When you use Siri on your Apple device, your voice is uploaded to the cloud for processing, and Apple retains a copy for testing its software.
While none of your voice files are ever directly associated with you — Apple claims they're given a "random identifier" that doesn't mention you at all — you might want to delete your Siri history anyway.
The only caveat here is that using this deletion option only deletes the last six months of Siri's history. Apple says that anything older than that is usually deleted automatically, unless Apple has chosen to save it for further testing, in which case it can't be deleted.
Apple allows you to delete Siri's history on every device that uses the assistant. To delete your Siri history, just make sure you're running at least iOS 13.2 on your iPhone, iPadOS 13.2 on your iPad, tvOS 13.2 on your Apple TV, watchOS 6.12 on your Apple Watch, or macOS Catalina 10.15.1 on your Mac.
How to delete Siri history on an iPhone or iPad
1. Start the Settings app and tap "Siri & Search."
2. Tap "Siri & Dictation History."
3. Tap "Delete Siri & Dictation History," and then tap it again in the pop-up that appears.
How to delete Siri history on an Apple Watch
1. Start the Settings app and tap "Siri."
2. Tap "Siri History."
3. Tap "Delete Siri History," and then confirm your decision by tapping "Delete Siri History" again at the bottom of the page.
How to delete Siri history on a Mac
1. Start System Preferences and click "Siri."
2. Click "Delete Siri & Dictation History."
3. In the confirmation window that opens, click "Delete."
How to delete Siri history on an Apple TV
1. Start the Settings app and under the "Siri" heading, select "Siri History."
2. Select "Delete Siri & Dictation History," and then confirm.
How to delete Siri history on a HomePod
1. On your iPhone, start the Home app.
2. Tap and hold the HomePod icon and then tap "Settings."
3. Tap "Siri History."
4. Tap "Delete Siri History" and then confirm.
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How to access and use Siri on an Apple Watch in 2 different ways
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How to use Siri on your Mac computer to search the web, play music, and more
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A comprehensive list of Siri voice commands you can use on an iPhone
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How to enable and use Siri on any iPad model to ask questions, give commands, and more
