By default, the repositioning wizard lists all the positions you have created. This enables you to re-use positions when you need to measure different examples of the same part, and to maintain a grid of positions for measuring large parts. You can edit position names to help identify how they are used and delete positions that are no longer needed using the wizard's Edit previously created positions option.
To maintain the list positions:
Alternatively, right-click a position in the list, and then select Rename or Delete from the context menu.