---
title: "removeBoundary(withIdentifier:)"
framework: uikit
role: symbol
role_heading: Instance Method
path: "uikit/uicollisionbehavior/removeboundary(withidentifier:)"
---

# removeBoundary(withIdentifier:)

Removes a specific collision boundary from the collision behavior.

## Declaration

```swift
func removeBoundary(withIdentifier identifier: any NSCopying)
```

## Parameters

- `identifier`: The identifier of the boundary you want to remove.

## See Also

### Configuring a collision behavior

- [addBoundary(withIdentifier:for:)](uikit/uicollisionbehavior/addboundary(withidentifier:for:).md)
- [addBoundary(withIdentifier:from:to:)](uikit/uicollisionbehavior/addboundary(withidentifier:from:to:).md)
- [boundaryIdentifiers](uikit/uicollisionbehavior/boundaryidentifiers.md)
- [boundary(withIdentifier:)](uikit/uicollisionbehavior/boundary(withidentifier:).md)
- [collisionMode](uikit/uicollisionbehavior/collisionmode.md)
- [removeAllBoundaries()](uikit/uicollisionbehavior/removeallboundaries().md)
- [setTranslatesReferenceBoundsIntoBoundary(with:)](uikit/uicollisionbehavior/settranslatesreferenceboundsintoboundary(with:).md)
- [translatesReferenceBoundsIntoBoundary](uikit/uicollisionbehavior/translatesreferenceboundsintoboundary.md)