---
title: unregister()
framework: IOBluetooth
role: symbol
role_heading: Instance Method
path: iobluetooth/iobluetoothusernotification/unregister()
---

# unregister()

Called to unregister the target notification.

## Declaration

```swift
func unregister()
```

## Discussion

Discussion Once this method has completed, the target IOBluetoothUserNotification will no longer be valid.