Data may be defined but suppressed to prevent it from being sent to a downstream cell in the
   system. For example, suppressing a material or material property prevents it from being used in
   the model. Suppressed items are shown by a strike through the name (for example, 
 ) and the check box being selected in the suppression
   column.
To suppress a material property:
To suppress a material property in libraries or favorites, open the Engineering Data Sources pane and mark the data source as editable.
In the Outline pane, select a material that contains the property to suppress.
In the Suppression (
 ) column, select the check box for the property you want
     to suppress.