---
title: unregisterAddressSpaceHandler
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioacpiplatformexpert/1563916-unregisteraddressspacehandler
---

# unregisterAddressSpaceHandler

## Declaration

```occ
virtual void unregisterAddressSpaceHandler(IOACPIPlatformDevice *device, IOACPIAddressSpaceID spaceID, IOACPIAddressSpaceHandler handler, IOOptionBits options);
```