---
url: /api/symbols/workbox-swkit/precaching/cleanupoutdatedcaches.md
---

# cleanupOutdatedCaches

Function @vite-pwa/workbox-swkit/precaching

```ts
cleanupOutdatedCaches(): void
```

Adds an `activate` event listener which will clean up incompatible
precaches that were created by older versions of Workbox.