puppeteer/website/versioned_docs/version-21.5.2/api/puppeteer.puppeteernode.trimcache.md
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---
sidebar_label: PuppeteerNode.trimCache
---
# PuppeteerNode.trimCache() method
Removes all non-current Firefox and Chrome binaries in the cache directory identified by the provided Puppeteer configuration. The current browser version is determined by resolving PUPPETEER_REVISIONS from Puppeteer unless `configuration.browserRevision` is provided.
#### Signature:
```typescript
class PuppeteerNode {
trimCache(): Promise<void>;
}
```
**Returns:**
Promise&lt;void&gt;
## Remarks
Note that the method does not check if any other Puppeteer versions installed on the host that use the same cache directory require the non-current binaries.