Swipe up on the widget pane until it gets to the bottom. Tap the round "Edit" button. On the resulting screen turn off the switch at the top for "Keep on Home Screen" and tap "Done".
Swipe up on the widget pane until it gets to the bottom. Tap the round "Edit" button. On the resulting screen turn off the switch at the top for "Keep on Home Screen" and tap "Done".
Now you can swipe them off the screen.
You have to scroll up under the big Date/Time to get them to show sometimes.