diff --git a/ZicMoove/ZicMoove/Interfaces/IBillingLine.cs b/ZicMoove/ZicMoove/Interfaces/IBillingLine.cs
deleted file mode 100644
index 3eb4b7e2..00000000
--- a/ZicMoove/ZicMoove/Interfaces/IBillingLine.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-
-namespace ZicMoove.Interfaces
-{
-    public interface IBillingLine
-    {
-        int Count { get; set; }
-        string Description { get; set; }
-        TimeSpan Duration { get; set; }
-        decimal UnitaryCost { get; set; }
-    }
-}
\ No newline at end of file
diff --git a/ZicMoove/ZicMoove/Interfaces/IEstimate.cs b/ZicMoove/ZicMoove/Interfaces/IEstimate.cs
deleted file mode 100644
index d8c370eb..00000000
--- a/ZicMoove/ZicMoove/Interfaces/IEstimate.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-using ZicMoove.Model.Workflow;
-using System.Collections.Generic;
-
-namespace ZicMoove.Model.Interfaces
-{
-    public interface IEstimate
-    {
-        List<string> AttachedFiles { get; set; }
-        List<string> AttachedGraphics { get; }
-        List<BillingLine> Bill { get; set; }
-        string ClientId { get; set; }
-        long? CommandId { get; set; }
-        string CommandType { get; set; }
-        string Description { get; set; }
-        long Id { get; set; }
-        string OwnerId { get; set; }
-        string Title { get; set; }
-    }
-}
\ No newline at end of file