diff --git a/src/Services/Marketing/Marketing.API/Model/Rule.cs b/src/Services/Marketing/Marketing.API/Model/Rule.cs
index 936e00c36..03686bf86 100644
--- a/src/Services/Marketing/Marketing.API/Model/Rule.cs
+++ b/src/Services/Marketing/Marketing.API/Model/Rule.cs
@@ -1,6 +1,4 @@
-using System.ComponentModel.DataAnnotations.Schema;
-
-namespace Microsoft.eShopOnContainers.Services.Marketing.API.Model
+namespace Microsoft.eShopOnContainers.Services.Marketing.API.Model
 {
     public abstract class Rule
     {