Angular 9 + CLI (TypeScript) - How to stop generating .spec.ts test files

I know it's kind of a bad practice, but bear with me:

I'm using Angular-CLI, particularly ng g to generate all of my classes. However, I'm not interested in any *.spec.ts test files. I know that there are two flags (--inline-template, --inline-style) to handle inline CSS and HTML instead of separated files, and for spec the --spec flag is set to true by default.

So for each run, yes, I could do ng g c foo --it --is --spec=false.

But how do I disable the creation of test files globally? Is there any default setting for it?

Rashly, I did some stuff (that didn't work), like:

ng set spec=false --global


I also tried configuring my src/tsconfig.json by filling the exclude array:

"exclude": [
"**/*.spec.ts"
]

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