To Delete All Instances of an Xref Component (AutoCAD Mechanical Toolset)

1. Click Structure tabTools panelStructure Catalog. Find
2. Click the Current Drawing tab.
3. From the Definitions panel in the Mechanical Structure section, right-click the xref component you want to delete all instances of, and select Delete. A confirmation message is displayed.
4. Click OK.

   All instances of the xref component are removed from the mechanical browser and the corresponding geometry is removed from model space.