---
title: invalidateUserActivity()
framework: watchkit
role: symbol
role_heading: Instance Method
path: watchkit/wkinterfacecontroller/invalidateuseractivity()
---

# invalidateUserActivity()

Invalidates the most recent user activity.

## Declaration

```swift
func invalidateUserActivity()
```

## Discussion

Discussion Use this method to invalidate an activity that should no longer be performed.

## See Also

### Coordinating Handoff activity

- [update(_:)](watchkit/wkinterfacecontroller/update(_:).md)