Creo Direct > Designing in the Creo Direct Environment > Working with Files > Deleting Files and Erasing Objects > To Erase Undisplayed Objects from Memory
  
To Erase Undisplayed Objects from Memory
1. Click File > Manage Session > Erase Not Displayed. You are prompted to enter objects whose versions you want to erase.
2. Type the object names and press ENTER.