diff --git a/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs b/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs
index d234191..cf47b2b 100644
--- a/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs
+++ b/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs
@@ -8,7 +8,6 @@ namespace TINK.Repository.Response
     public class ReservationCancelReturnResponse : BikesReservedOccupiedResponse
     {
         /// <summary> Mini survey.</summary>
-        [DataMember]
         public MiniSurveyResponse user_miniquery { get; private set; }
     }
 }
diff --git a/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs.bak b/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs.bak
deleted file mode 100644
index d234191..0000000
--- a/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs.bak
+++ /dev/null
@@ -1,14 +0,0 @@
-
-
-namespace TINK.Repository.Response
-{
-    /// <summary>
-    /// Holds the information about a cancel booking request and is used for deserialization of copri answer.
-    /// </summary>
-    public class ReservationCancelReturnResponse : BikesReservedOccupiedResponse
-    {
-        /// <summary> Mini survey.</summary>
-        [DataMember]
-        public MiniSurveyResponse user_miniquery { get; private set; }
-    }
-}