---
title: "removeSubrange(_:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/rangereplaceablecollection/removesubrange(_:)"
---

# removeSubrange(_:)

Removes the specified subrange of elements from the collection.

## Declaration

```swift
mutating func removeSubrange(_ bounds: Range<Self.Index>)
```

## Parameters

- `bounds`: The subrange of the collection to remove. The bounds of the range must be valid indices of the collection.

## Discussion

Discussion var bugs = ["Aphid", "Bumblebee", "Cicada", "Damselfly", "Earwig"] bugs.removeSubrange(1...3) print(bugs) // Prints "["Aphid", "Earwig"]" Calling this method may invalidate any existing indices for use with this collection. note: O(n), where n is the length of the collection.