[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Evolu](https://evolu.dev/docs/api-reference/common/local-first/Evolu) › UnuseOwner

```ts
type UnuseOwner = () => void;
```

Defined in: [packages/common/src/local-first/Evolu.ts:755](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Evolu.ts#L755)

Function returned by [Evolu.useOwner](https://evolu.dev/docs/api-reference/common/local-first/Evolu/interfaces/Evolu#useowner) to stop using an Owner for sync.