How to remove them...
You'd like to remove one of your gadgets? It's simple!
1) Click on the arrow next to the Patronus-messenger button.
2) Select "Toolbar Options" from the drop-down list.
3) Select the tab "Predefined Components". Then un-tick all the boxes of the gadgets you want to keep, except the one you'd like to delete. Press "Delete", and then click "OK".
Done!