---
title: cpu_event_unregister_callback
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 11.0+]
path: kernel/3567197-cpu_event_unregister_callback
---

# cpu_event_unregister_callback

## Declaration

```occ
void cpu_event_unregister_callback(cpu_callback_t fn);
```