To Remove Elemental Geometry (Free Objects) from a Level

1. Click Home tabDetail panelHide Situation drop-downEdit. Find
2. In model space, select an object that belongs to the hide situation you want to edit.
3. In the tree view, click the level you want to edit.
4. Click on the vertical toolbar. The dialog box hides. Objects that belong to the selected level are displayed in dotted lines.
5. With the SHIFT key pressed, click the free object you want to remove.
6. Press ENTER.
7. Click OK.