# UnregisterCancelCallback()

> Unregisters a previously registered progress cancellation callback.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor](/engine/6000.7/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public void UnregisterCancelCallback()
```

### Remarks

Additional Resources: [Progress.UnregisterCancelCallback](/engine/6000.7/script-reference/unityeditor/progress/unregistercancelcallback.md), [Progress.Item.RegisterCancelCallback](/engine/6000.7/script-reference/unityeditor/progress/item/registercancelcallback.md), [Progress.Item.Cancel](/engine/6000.7/script-reference/unityeditor/progress/item/cancel.md).