Disconnecting or Deleting External References
Top disconnect or delete an external reference form a diagram or repository:
1. Right-click the external reference and select:
• 
to delete the external reference from the diagram.
• 
to delete the external reference from the repository.
To disconnect or delete an external reference connected to an object:
1. Open the properties dialog box of the object.
2. In the General tab, References subtab, select the external reference and click :
• 
to disconnect the external reference from the selected object.
• 
to delete the external reference from the repository.