Users other than those allowed by the ACL should not be able to see the device. It seems likely that there is another ACL that grants the ability to access the device in some way (e.g. if it is a subnet router or exit node, then users with access to use those portions of the device will still see it).
After taking another look at the ACLs, if you can’t find why the device is being revealed to users, I recommend one of: