You can delete existing lookup types if they are no longer used in the MDM tenant.

1. Log in to the Reference Data Management (RDM) application using your Reltio platform credentials.
   The Lookup Types screen appears.

   

2. Select the lookup types that you want to delete.

   

3. Click the Delete icon on the top of the list.
   The selected lookup types appear as striked-through before you save.

   

4. Click SAVE.
   The selected lookup types are removed from the list. You cannot delete a lookup type if any values are mapped to it. In this case, an error message appears.