Adding a subclassification rule creates balance feeds, but removing it does not remove balance feeds

Summary:

Adding a subclassification rule creates balance feeds, but removing it does not remove balance feeds

Content (required):

When you add a subclassification rule to an element, it automatically creates the relevant balance feeds.

But when you remove a subclassification rule, the balance feeds are not removed. This feels weird and means more clicks than you would expect to have to do.

Is this expected behaviour for some reason or just an "undocumented feature"?

Version (include the version you are using, if applicable):

23B

Code Snippet (add any code snippets that support your topic, if applicable):