diff --git a/app/Http/Controllers/ConcertOrdersController.php b/app/Http/Controllers/ConcertOrdersController.php
index 3e2eb85..f0491aa 100644
--- a/app/Http/Controllers/ConcertOrdersController.php
+++ b/app/Http/Controllers/ConcertOrdersController.php
@@ -30,17 +30,9 @@ class ConcertOrdersController extends Controller
         ]);
 
         try {
-            // Find some tickets
             $reservation = $concert->reserveTickets(request('ticket_quantity'), request('email'));
-
-            // Charge the customer for the tickets
-            $this->paymentGateway->charge($reservation->totalCost(), request('payment_token'));
-
-            // Create an order for those tickets
-            $order = $reservation->complete();
-
+            $order = $reservation->complete($this->paymentGateway, request('payment_token'));
             return response()->json($order, 201);
-
         } catch (PaymentFailedException $e) {
             $reservation->cancel();
             return response()->json([], 422);
diff --git a/app/Reservation.php b/app/Reservation.php
index 9abe62c..f6be4d0 100644
--- a/app/Reservation.php
+++ b/app/Reservation.php
@@ -28,8 +28,10 @@ class Reservation
         return $this->email;
     }
 
-    public function complete()
+    public function complete($paymentGateway, $paymentToken)
     {
+        $paymentGateway->charge($this->totalCost(), $paymentToken);
+
         return Order::forTickets($this->tickets(), $this->email(), $this->totalCost());
     }
 
diff --git a/app/TicketPurchasingService.php b/app/TicketPurchasingService.php
deleted file mode 100644
index 5b80eb9..0000000
--- a/app/TicketPurchasingService.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace App;
-
-use App\Order;
-use App\Billing\PaymentGateway;
-
-class TicketPurchasingService
-{
-    private $paymentGateway;
-
-    public function __construct(PaymentGateway $paymentGateway)
-    {
-        $this->paymentGateway = $paymentGateway;
-    }
-
-    public function purchaseTickets($concert, $ticketQuantity, $email, $paymentToken)
-    {
-        $reservation = $concert->reserveTickets($ticketQuantity, $email);
-
-        $this->paymentGateway->charge($reservation->totalCost(), $paymentToken);
-
-        return Order::forTickets($reservation->tickets(), $reservation->email(), $reservation->totalCost());
-    }
-}
diff --git a/tests/unit/ReservationTest.php b/tests/unit/ReservationTest.php
index 2ff8a53..9205435 100644
--- a/tests/unit/ReservationTest.php
+++ b/tests/unit/ReservationTest.php
@@ -3,6 +3,7 @@
 use App\Ticket;
 use App\Concert;
 use App\Reservation;
+use App\Billing\FakePaymentGateway;
 use Illuminate\Foundation\Testing\WithoutMiddleware;
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
@@ -71,11 +72,13 @@ class ReservationTest extends TestCase
         $concert = factory(Concert::class)->create(['ticket_price' => 1200]);
         $tickets = factory(Ticket::class, 3)->create(['concert_id' => $concert->id]);
         $reservation = new Reservation($tickets, 'john@example.com');
+        $paymentGateway = new FakePaymentGateway;
 
-        $order = $reservation->complete();
+        $order = $reservation->complete($paymentGateway, $paymentGateway->getValidTestToken());
 
         $this->assertEquals('john@example.com', $order->email);
         $this->assertEquals(3, $order->ticketQuantity());
         $this->assertEquals(3600, $order->amount);
+        $this->assertEquals(3600, $paymentGateway->totalCharges());
     }
 }