---
title: invalidate()
framework: quartzcore
role: symbol
role_heading: Instance Method
path: quartzcore/cametaldisplaylink/invalidate()
---

# invalidate()

Removes the display link from all run loops for all modes.

## Declaration

```swift
func invalidate()
```

## See Also

### Deregistering for callbacks

- [remove(from:forMode:)](quartzcore/cametaldisplaylink/remove(from:formode:).md)