---
title: free
framework: Kernel
role: symbol
role_heading: Instance Method
platforms: [driverkit 19.0+, macOS 10.15+]
path: kernel/osboolean/3180835-free
---

# free

## Declaration

```occ
virtual void free(void);
```

## See Also

### Configuring a Boolean Type

- [release](driverkit/osboolean/release.md)
- [retain](driverkit/osboolean/retain.md)
- [OSBooleanPtr](driverkit/osbooleanptr.md)