I tried the version straight out of the Unreal documentation and that one persists into the SteamVR home space as well. It’s really weird. The documentation doesn’t appear to say anything about removing or deleting it safely once you’ve created it.
NOTE: I did just now realize that I can cut SteamVR out of the loop entirely by setting Oculus as the active OpenXR app. I don’t recall reading that as a necessary step and I’ve used SteamVR for so long that I never stopped to question it.