Index: branches/5.2.x/core/units/helpers/col_picker_helper.php
===================================================================
--- branches/5.2.x/core/units/helpers/col_picker_helper.php
+++ branches/5.2.x/core/units/helpers/col_picker_helper.php
@@ -314,7 +314,7 @@
 		array_shift($widths); // removing first col (checkbox col) width
 
 		foreach ( $this->pickerData->allFields as $field ) {
-			if ( $field == '__FREEZER__' ) {
+			if ( $field == '__FREEZER__' || $this->pickerData->isHidden($field) ) {
 				continue;
 			}