How is a Navigator item removed from a Navigator view once the item is selected?

A.
Click on the Delete Item icon.

B.
Move it to the Available Managed Systems list.

C.
Right-click and select Delete from the menu list.

D.
Press the Delete key and confirm by selecting Yes on the confirmation pop-up window.

Explanation:
http://pic.dhe.ibm.com/infocenter/tivihelp/v30r1/index.jsp?topic=%2Fcom.ibm.itm.doc_6.2.2f
p2%2Fgraphic_viewcreating_tep.htm (what to do next, 4th bullet)