An image says more than thousand words in this case:
As you can see, I have 2 Subversion menu entries in the Project Manager. How can I remove those bogus second menu entries?
Environment: Windows 8.1 x64, Delphi XE, CollabNet 1.8, TortoiseSVN
EDIT
I got this behaviour after following instructions from this SO post to get the integration working with SVN 1.8.