You can delete data flows from the Directory. Select one or more data flows and choose Delete from the menu in the Details panel. See Directory user interface for more details about how to find the Details panel.
You can select multiple data flows in the directory by holding down the Ctrl key while selecting items.
Holding down the Shift key will select a range of items.
You will be prompted to confirm the deletion of the selected data flows, as this operation cannot be undone.