---
title: removeLast()
framework: swift
role: symbol
role_heading: Instance Method
path: swift/slice/removelast()-wsbc
---

# removeLast()

Removes and returns the last element of the collection.

## Declaration

```swift
@discardableResult mutating func removeLast() -> Self.Element
```

## Return Value

Return Value The last element of the collection.

## Discussion

Discussion The collection must not be empty. Calling this method may invalidate all saved indices of this collection. Do not rely on a previously stored index value after altering a collection with any operation that can change its length. note: O(1)