# deinitializeElement(at:) Deinitializes the memory underlying the element at `index`. ``` func deinitializeElement(at index: UnsafeMutableBufferPointer.Index) where Base == UnsafeMutableBufferPointer ``` ## Parameters `index` The index of the buffer element to deinitialize. ## Discussion The memory underlying the element at `index` must be initialized. After calling `deinitializeElement()`, the memory underlying this element of the buffer slice is uninitialized, and still bound to type `Element`. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)