I removed update KB3035583, and the "Get Windows 10" icon went away. I then went into my user controls and hid that update from coming back.
http://venturebeat.com/2015/05/31/microsoft-starts-prompting-windows-7-and-windows-8-users-to-reserve-their-free-windows-10-upgrade/
http://venturebeat.com/2015/05/31/microsoft-starts-prompting-windows-7-and-windows-8-users-to-reserve-their-free-windows-10-upgrade/