How to remove language in string catalog?

I have a Localizable file under Assets.

I can add a language by click the + button.

But I can't remove it then??!!

Remove a localization in project -> info does not work. If the localization contains some translation, it still remains in the catalog (works if not translated at all). As a result, your app will not show the default localization at all.

How to remove language in string catalog?
 
 
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