To remove a widget from the dashboard, click More Settings on the top right of the widget you want to remove and select the Remove from Dashboard option from the dropdown list.
To permanently delete a widget, click on the Widgets from the left, hover your cursor on the widget you want to delete, and click on the widget settings.
A new modal window will appear, providing the widget setting options. Click on delete from the interface’s top right corner. A Delete widget? confirmation names the widget and warns that it will be permanently deleted along with its associated data, and that this cannot be undone. Click the red Delete button to confirm, or Cancel to keep the widget. Deleting the widget also deletes its dataset if the dataset is not linked to other widgets.