diff --git a/src/dotnet/FileSystemBase.cs b/src/dotnet/FileSystemBase.cs
index afe944ce..24ae8432 100644
--- a/src/dotnet/FileSystemBase.cs
+++ b/src/dotnet/FileSystemBase.cs
@@ -453,7 +453,7 @@ namespace Fsp
         public static UInt32 GetReparseTag(
             Byte[] ReparseData)
         {
-            return Api.GetReparseTag(ReparseData);
+            return BitConverter.ToUInt32(ReparseData, 0);
         }
         public static Int32 CanReplaceReparsePoint(
             Byte[] CurrentReparseData,
diff --git a/src/dotnet/Interop.cs b/src/dotnet/Interop.cs
index be1874ac..33f62e80 100644
--- a/src/dotnet/Interop.cs
+++ b/src/dotnet/Interop.cs
@@ -849,11 +849,6 @@ namespace Fsp.Interop
             else
                 return null;
         }
-        internal unsafe static UInt32 GetReparseTag(
-            Byte[] ReparseData)
-        {
-            return 0;
-        }
         internal unsafe static Int32 FspFileSystemCanReplaceReparsePoint(
             Byte[] CurrentReparseData,
             Byte[] ReplaceReparseData)