Uninstalling the Classic app won’t make it go away, you’ll have to uninstall Smart Guest Locks from the Classic app (the SmartApps still run in the cloud even if the uninstall the mobile app)
Are you using any custom device handlers? The stock device handler has an issue where it reports the status even if it hasn’t changed, you could be running into that issue is youre’ using a code to unlock your lock (in which case it sends 2 events_