I dont like asking vague questions but I couldnt exactly tell what the problem is.
In my app I set some daily local notifications. Shooting everyday at 200PM. I late
Uninstalling the app will remove the local notifications, although some people have reported that they are cached for up to 24 hours (so if you delete the app, don't reinstall it for more than 24 hours) See here for more details.
Otherwise, if you still have access to the code you can cancel all local notifications like this:
[[UIApplication sharedApplication] cancelAllLocalNotifications];