2 observables declared with takeUntilDestroyed, when combined, require additional...

I'm using takeUntilDestroyed to manage my subscriptions and avoid memory leaks. Within an injection context, variable declaration, I will have something like this

mySubject1$ = new BehaviourSubject<void>(void 0);
myData1$ = mySubject1$.pipe(takeUntilDestroyed(), switchMap(() => myService.getData1()));
mySubject2$ = new BehaviourSubject<void>(void 0);
myData2$ = mySubject2$.pipe(takeUntilDestroyed(), switchMap(() => myService.getData2()));


In my constructor I want to combine these, do I need to use takeUntilDestroyed() again?

constructor(){
combineLatest([myData1$, myData2$]).pipe(takeUntilDestroyed())...
}

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