EXCEL Reader, in " Transformation " Tab => UNSELECT ALL COLUMNS (at once)

I’m new in Knime, and I’m using the new Knime node for Excel “EXCEL READER”,
I need you help to Unselect ALL Columns in one Click, It work individualy to unselect one by one perfectly, but I want to Unselect ALL columns " in one step" , like " Unselect ALL " can you add this Option please

Duplicate: KNIME EXCEL READER TRANSFORMATION HOW UNSELECT ALL COLUMNS