# collection.removeAll · Rell standard library · Chromia Docs (concept)

> function removeAll(values: collection <-T>): boolean Deprecated (for removal): Use 'remove_all' instead Remove all elements in another collection from this

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/collection/remove-all/

FUNCTION

# collection.removeAll

```signature
function removeAll(values: collection<-T>): boolean
```

**Deprecated** (for removal): Use 'remove\_all' instead

Remove all elements in another collection from this collection.

**Parameters**

* **values** — the collection of elements to remove

**Returns**

`true` if any elements were removed from this collection, `false` if it was not modified

Since 0.9.0

**Alias of** [collection.remove\_all](https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/collection/remove_all/)

[View this page on docs.chromia.com](https://docs.chromia.com/pages/rell-stdlib/-rell%20-system%20-library/%5Broot%5D/collection/remove-all.html)Generated API reference, mirrored from the live docs