---
title: "removeAllGroups(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustergroups/removeallgroups(completionhandler:)"
---

# removeAllGroups(completionHandler:)

## Declaration

```swift
func removeAllGroups(completionHandler: @escaping @Sendable ((any Error)?) -> Void)
```

```swift
func removeAllGroups() async throws
```