How to get rids of shortcuts in "open with" after uninstalling Parallel 5?

I just uninstalled Parallel 5 after trying it for 1 hour. Here is my problem.

After I uninstalled Parallel 5, I found that the shortcuts to window applications in "open with" are still there when you right click a file. Of course, since Parallel 5 is already uninstalled, those shortcuts are useless when you click on it. I don't like those shortcuts to be there, how do I get rid of it. Please help me, thanks a lot.