---
title: "unregisterPersistentChangesObserver(_:)"
framework: photos
role: symbol
role_heading: Instance Method
path: "photos/phphotolibrary/unregisterpersistentchangesobserver(_:)"
---

# unregisterPersistentChangesObserver(_:)

Unregisters a previously registered persistent changes observer.

## Declaration

```swift
func unregisterPersistentChangesObserver(_ observer: any PHPhotoLibraryPersistentChangesObserver)
```

## Discussion

Discussion After calling this method, the observer will no longer receive persistent changes callbacks.