This make sense, still could be an option for those who still have the wakelock. Personally I got ride of it, but it seems that is coming back since today.
Don't use that charger, people reported using wall charger fixes this, I don't know if it is a workaround for using Qi charger.
charger?! my wakelock is due to manual disabling of the SystemUpdateService using the Disable Service app.