Hi @Zak,
Welcome to builder.io forum.
It’s not possible to remove those builder scripts from the main thread, however, if there are pages that don’t need builder widgets, it is possible to lazy load them only when they are used in content to improve performance.
Alternatively, you can use our react-lite SDK to pick and choose which components you want to use to improve bundle size even more.
Let us know if you have any further questions. Thank you!