Deleting Structure Relationships 

Procedure

...

       1.      From the selection list of steps, choose Maintain Structure Relations.
A screen appears.

       2.      Position the cursor on the corresponding line.

       3.      Choose Delete relationship.
The system deletes the corresponding structure relationship between both systems.

When you delete a structure relationship, it is not possible to establish any relationships between the associated source fields and the SAP target fields. Field relationships already established will be deleted automatically.