it seems like your handles are parented to the blade object, you're gonna have to clear that parent

what i'd do is create another empty, parent the Cube.001 (the blade) to it, and then parent both empties for the handles to the new empty you've created (holding shift to select the handle, then the new empty, then pressing ctrl + P you can parent it and keep the transform of the object) i cant guarantee you that your animation will stay intact though, so you might have to reanimate it.
it should look like this afterwards
