Lit is in dev mode

How do i get rid of this warning?

I imported <model-viewer> like so , using Vite and vue3

`import '@google/model-viewer';`

```
@google_model-viewer.js?v=68798922:83 Lit is in dev mode. Not recommended for production! See https://lit.dev/msg/dev-mode for more information.
issueWarning @ @google_model-viewer.js?v=68798922:83
(anonymous) @ @google_model-viewer.js?v=68798922:88
```