---
title: "removeObserver(_:)"
framework: pencilkit
role: symbol
role_heading: Instance Method
path: "pencilkit/pktoolpicker/removeobserver(_:)"
---

# removeObserver(_:)

Removes the specified object from the list of objects to notify when the picker configuration changes.

## Declaration

```swift
func removeObserver(_ observer: any PKToolPickerObserver)
```

## Parameters

- `observer`: The object to stop sending notifications to.

## See Also

### Detecting changes to the picker

- [addObserver(_:)](pencilkit/pktoolpicker/addobserver(_:).md)
- [PKToolPickerObserver](pencilkit/pktoolpickerobserver.md)