iMyList – Delete Column
- Tap the Edit button in the navigation view to go to edit mode.
- Tap the list name in the navigation view to open the Edit List view.
- Tap the minus sign
and then the Delete button in the Columns section to delete the column. Warning: All values in that column will be deleted also!

There is an alternate method to delete a column:
- Swipe a column item to the left and then tap the Delete button to delete it.