To Erase the Current Object from Memory
To erase the top-level object and the selected subcomponents from the active window, perform the following steps:
1. Click > > .
2. Click Yes. If you are working in a part, the part is erased from the graphics window. If you are working in an assembly, the Erase dialog box opens.
3. Select the Associated Objects (objects referenced by the current object) that you also want to erase from memory.
4. Click OK.