diff --git a/Plattform/Plattform/Models/Customer.cs b/Plattform/Plattform/Models/Customer.cs
deleted file mode 100644
index aebc1c2..0000000
--- a/Plattform/Plattform/Models/Customer.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-using System.Runtime.Serialization;
-using System.ComponentModel.DataAnnotations.Schema;
-
-namespace Plattform.Models
-{
-    [Table("Customers")]
-    [DataContract]
-    public class Customer : Person
-    {
-        public Customer() { }
-        public Customer(string firstName, string lastName, Gender gender,
-                       Salutation salutation, string streetName, string
-                       streetNumber, City city)
-        {
-            this.FirstName = firstName;
-            this.LastName = lastName;
-            this.Gender = gender;
-            this.Salutation = salutation;
-            this.StreetName = streetName;
-            this.StreetNumber = streetNumber;
-            this.City = city;
-        }
-    }
-}
diff --git a/Plattform/Plattform/Models/Person.cs b/Plattform/Plattform/Models/Person.cs
index a82c20e..d514f4c 100644
--- a/Plattform/Plattform/Models/Person.cs
+++ b/Plattform/Plattform/Models/Person.cs
@@ -4,7 +4,6 @@ using System.Runtime.Serialization;
 namespace Plattform.Models
 {
     [DataContract]
-    [KnownType(typeof(Customer))]
     public class Person
     {
         [DataMember]