diff --git a/src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.cs b/src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.cs
index 92c943de5..f2129be69 100644
--- a/src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.cs
+++ b/src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.cs
@@ -148,7 +148,6 @@ namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ
             _subsManager.RemoveDynamicSubscription<TH>(eventName);
         }
 
-
         public void Dispose()
         {
             if (_consumerChannel != null)
@@ -202,8 +201,6 @@ namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ
 
         private async Task ProcessEvent(string eventName, string message)
         {
-
-
             if (_subsManager.HasSubscriptionsForEvent(eventName))
             {
                 using (var scope = _autofac.BeginLifetimeScope(AUTOFAC_SCOPE_NAME))
diff --git a/src/Services/Ordering/Ordering.Domain/AggregatesModel/OrderAggregate/Order.cs b/src/Services/Ordering/Ordering.Domain/AggregatesModel/OrderAggregate/Order.cs
index 661965c5c..cd69aa211 100644
--- a/src/Services/Ordering/Ordering.Domain/AggregatesModel/OrderAggregate/Order.cs
+++ b/src/Services/Ordering/Ordering.Domain/AggregatesModel/OrderAggregate/Order.cs
@@ -30,12 +30,7 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.O
         // so OrderItems cannot be added from "outside the AggregateRoot" directly to the collection,
         // but only through the method OrderAggrergateRoot.AddOrderItem() which includes behaviour.
         private readonly List<OrderItem> _orderItems;
-
         public IReadOnlyCollection<OrderItem> OrderItems => _orderItems;
-        // Using List<>.AsReadOnly() 
-        // This will create a read only wrapper around the private list so is protected against "external updates".
-        // It's much cheaper than .ToList() because it will not have to copy all items in a new collection. (Just one heap alloc for the wrapper instance)
-        //https://msdn.microsoft.com/en-us/library/e78dcd75(v=vs.110).aspx 
 
         private int? _paymentMethodId;
 
diff --git a/src/Services/Ordering/Ordering.Infrastructure/Repositories/BuyerRepository.cs b/src/Services/Ordering/Ordering.Infrastructure/Repositories/BuyerRepository.cs
index 36164be42..efc478092 100644
--- a/src/Services/Ordering/Ordering.Infrastructure/Repositories/BuyerRepository.cs
+++ b/src/Services/Ordering/Ordering.Infrastructure/Repositories/BuyerRepository.cs
@@ -11,7 +11,6 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Infrastructure.Repositor
         : IBuyerRepository
     {
         private readonly OrderingContext _context;
-
         public IUnitOfWork UnitOfWork
         {
             get
@@ -29,7 +28,6 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Infrastructure.Repositor
         {
             if (buyer.IsTransient())
             {
-                //TODO: when migrating to ef core 1.1.1 change Add by AddAsync-. A bug in ef core 1.1.0 does not allow to do it https://github.com/aspnet/EntityFramework/issues/7298 
                 return _context.Buyers
                     .Add(buyer)
                     .Entity;
@@ -37,8 +35,7 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Infrastructure.Repositor
             else
             {
                 return buyer;
-            }
-            
+            }           
         }
 
         public Buyer Update(Buyer buyer)