Officials said last week that the crow did have the mosquito-borne disease that can be fatal to humans after an initial test.
But the Department of Public Health says today that a second test found the bird was negative for West Nile.
Two birds in Illinois have died this spring from the disease, one in Henderson County and the second in Kankakee County.
Illinois led the nation last summer with nearly 900 cases of the virus and 64 deaths.
In humans it can cause headaches or body aches and can even cause potentially fatal encephalitis in the elderly or those with weak immune systems.
Officials urge residents to reduce stagnant water and wear repellant and long-sleeved shirts and pants to avoid infection.