# IReminderService.UnregisterReminder(IGrainReminder, CancellationToken)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.reminders/orleans.ireminderservice/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.reminders/orleans.ireminderservice/methods/)

[Source](https://github.com/dotnet/orleans/blob/1644940b035c7bdf215a4fd7135757c06bcfe9ec/src/Orleans.Reminders/SystemTargetInterfaces/IReminderService.cs#L84)

```csharp
[Orleans.Alias(A7AF84A8)]
public virtual Task UnregisterReminder(IGrainReminder reminder, CancellationToken cancellationToken)
```

Unregisters the specified reminder.

### Parameters

- `reminder` (`IGrainReminder`): The reminder.
- `cancellationToken` (`CancellationToken`): The cancellation token.

### Returns

A `System.Threading.Tasks.Task` representing the operation.