Will clickable.clicked cause memory leaks when not unsubscribing from it

If you use clickable.clicked do you need to manually unsubscribe from it using the -= operator?

 button.clickable.clicked += () => Debug.Log("Clicked!");

Or does Unity handle this for us?
In examples from Unity I don’t see the unsubscribing happening. So was wondering if we need to do it

You usually don’t need to do it. Unless the lifetime of that button is longer that the lifetime of your handler, then yes, you’ll need to remove it from the clickable action.