# IStreamPubSub.UnregisterConsumer(GuidId, QualifiedStreamId)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreampubsub/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreampubsub/methods/)

```csharp
public abstract Task UnregisterConsumer(GuidId subscriptionId, QualifiedStreamId streamId)
```

### Parameters

- `subscriptionId` (`GuidId`)
- `streamId` (`QualifiedStreamId`)