app/Http/Controllers/Settings/SubscriptionController.php
public function cancelSubscription()
    {
        Auth::user()->subscription()->cancelAtEndOfPeriod();

        event(new SubscriptionCancelled(Auth::user()));

        return $this->users->getCurrentUser();
    }
public function cancelSubscription()
    {
        Auth::user()->subscription()->cancelAtEndOfPeriod();

        event(new SubscriptionCancelled(Auth::user()));

        return $this->users->getCurrentUser();
    }
Cancel the user's subscription.

@return \Illuminate\Http\Response