Late in the morning, a special tactical team used a bomb-disabling robot to inspect and neutralize the package.
Police have re-opened streets and traffic is gradually returning to normal.
The metro station, which had been evacuated, is now open to the public.
Earlier Wednesday morning, an officer on the scene said the scare was likely a false alarm.
This is the second time in less than 24 hours that police in the Montreal area have dealt with a supicious package.
On Tuesday, officers blocked off the area surrounding the Fairview Pointe-Claire shopping Centre after they were alerted to a package in the parking lot of a nearby gas station. The object was later deemed harmless.