I never call about stuff like this. It's never a real issue. It's always a glitch and will always fix itself. They never truly disappear.
People panic and think they are gone and a well meaning, yet inexperienced CM will think the same and try to fix what isn't truly broken and truly break it in the process and then you will have a mess.
Best thing is to leave it alone. They will sort out. Have every single time.
Only time things have been screwed up is when someone went in and screwed with them when they where having a system issue.