SSR does not seem to be disabled on Netlify

[mig-hub]

Hello,

I have a website on which I wanted to disable SSR because it is not SEO critical and I wanted to avoid too many function calls on Netlify.

As described on the documentation, I have added the following code to my src/routes/+layout.js:

export const ssr = false;

However in the build logs on Netlify, it still have this line:

1:59:03 PM: vite v5.4.4 building SSR bundle for production...
1:59:03 PM: transforming...
...
1:59:07 PM: Functions bundling                                            
1:59:07 PM: ────────────────────────────────────────────────────────────────
1:59:07 PM: ​
1:59:07 PM: The Netlify Functions setting targets a non-existing directory: functions
1:59:07 PM: ​
1:59:07 PM: Packaging Functions from .netlify/functions-internal directory:
1:59:07 PM:  - sveltekit-render.mjs
1:59:07 PM: ​
1:59:07 PM: ​
1:59:07 PM: (Functions bundling completed in 463ms)
1:59:07 PM: ​
1:59:15 PM: (Netlify Build completed in 12.6s)
1:59:16 PM: Section completed: building
1:59:19 PM: Finished processing build request in 33.093s

And indeed when I look at the function logs, I see the sveltekit-render running when I load pages.

I am confused. Did I miss something in my configuration?

Thank you in advance for your help.

Mickael