sudo su
echo "export LIBOVERLAY_SCROLLBAR=0" > /etc/X11/Xsession.d/80overlayscrollbars
Then log out and log back in. via WebUpd8Disable Overlay Scrollbar on Ubuntu 11.04
About a month ago we wrote about getting all applications to use the new overlay scrollbars in Ubuntu 11.04 but now that the overlay scrollbars are default, we got an email about removing them.
So, for everyone searching for this, here's how to disable the overlay scrollbars in Ubuntu 11.04. Simply open a terminal and copy/paste the following commands: