Deleting unversioned propositions
Delete a proposition or propositions in a group stored as data instance to remove obsolete or invalid product offers.
In the header of Dev Studio, click.
On the Proposition Management landing page, click the Unversioned proposition data tab.
Select a proposition or propositions that you want to delete and click Delete.
In the Delete dialog, click Delete to confirm.
The deleted propositions are removed from the Unversioned proposition data tab.