# IReminderRegistry.UnregisterReminder(GrainId, IGrainReminder, CancellationToken)

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

[Source](https://github.com/dotnet/orleans/blob/1644940b035c7bdf215a4fd7135757c06bcfe9ec/src/Orleans.Reminders/Timers/IReminderRegistry.cs#L56)

```csharp
public virtual Task UnregisterReminder(GrainId callingGrainId, IGrainReminder reminder, CancellationToken cancellationToken)
```

Unregisters a reminder from the specified grain.

### Parameters

- `callingGrainId` (`GrainId`): The ID of the currently executing grain.
- `reminder` (`IGrainReminder`): The reminder to unregister.
- `cancellationToken` (`CancellationToken`): The cancellation token.

### Returns

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