Rather than approaching this from the Category side, let's look at the Account side.When you do CTRL-A (or TOOLS, Account List), what's the current status of those accounts? Are they closed in Q? (be careful, because that action isn't reversible)Are they hidden in Q?Are they "separate" in Q?Doing any of those actions should cause them to be removed from the Category list.
Rather than approaching this from the Category side, let's look at the Account side.When you do CTRL-A (or TOOLS, Account List), what's the current status of those accounts?