Removing Standard Widgets

There are two Standard widgets that are located on my right sidebar that I can’t find the HTML for (Categories and Blogroll). The theme does have a sidebar.php, but it’s only for the Left-side sidebar. And, there’s no code for the right sidebar on the Main Index Template (index.php) either. When I do go to Widgets section and go to Sidebar Right, the widgets haven’t even been activated for that side. I have the City Night 1.0 theme. What can I do to remove those two Standard Widgets?

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