Delete an Existing Version of a Page Wrapper
You can delete all inactive or draft versions of a page wrapper. For the Active wrapper, you must unpublish it before you can delete it.
Delete a page wrapper version
To access the Page Wrapper List, click Setup > Page Wrapper Editor from the options along the top of an Admin page.
On the Page Wrapper List page, click Manage Versions in the Actions column of the appropriate PageWrapper.
In the Version List, click Delete in the Actions of the appropriate version.
On the confirmation page, click OK to remove the version from the Versions list.