To Remove a Placement Point from an Element

Select the Parametric Components dialog (Home > Content > Parametric Components).
The Parametric Components dialog opens.
Select the Placement Points tab.
Select the placement point(s) you wish to remove in the list box.
Select the Remove Placement Point button.

The selected placement point gets removed.

Note: Alternatively, you can also select the placement point and press Delete on the key-board to delete it.