diff --git a/ShopifySharp/Entities/ShippingLine.cs b/ShopifySharp/Entities/ShippingLine.cs
index 1cbdb17aa..bc1ef0d7d 100644
--- a/ShopifySharp/Entities/ShippingLine.cs
+++ b/ShopifySharp/Entities/ShippingLine.cs
@@ -1,13 +1,9 @@
 using Newtonsoft.Json;
-using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ShopifySharp
 {
-    public class ShippingLine
+    public class ShippingLine : ShopifyObject
     {
         /// <summary>
         /// The carrier provided identifier.
diff --git a/ShopifySharp/Entities/ShopifyObject.cs b/ShopifySharp/Entities/ShopifyObject.cs
index ec2ce48ad..a7c970852 100644
--- a/ShopifySharp/Entities/ShopifyObject.cs
+++ b/ShopifySharp/Entities/ShopifyObject.cs
@@ -1,9 +1,4 @@
 using Newtonsoft.Json;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ShopifySharp
 {