With introduction of ECC6.0, there goes some function modules/BAPIs with the old version. The following procedure defines the steps for displaying Obsolete BAPIs.
1. Go to transaction SE16.
2. Enter the table name RODIR and press ENTER.
3. Enter the object type as “FUNC” and the Obsolete field as ‘X’.
4. Press EXECUTE.
The obtained list is the obsolete function modules in the SAP system.