diff --git a/src/SimpleStateMachine.StructuralSearch/Custom/StreamReplacer.cs b/src/SimpleStateMachine.StructuralSearch/Custom/StreamReplacer.cs
deleted file mode 100644
index 20260ce..0000000
--- a/src/SimpleStateMachine.StructuralSearch/Custom/StreamReplacer.cs
+++ /dev/null
@@ -1,50 +0,0 @@
-namespace SimpleStateMachine.StructuralSearch.Custom;
-
-// public class StreamReplacer : Stream
-// {
-//     
-//     private readonly Stream _baseStream;
-//     
-//     public StreamReplacer(Stream baseStream)
-//     {
-//         _baseStream = baseStream;
-//     }
-//     
-//     public Task Replace(Stream stream, int fromStart, int fromEnd, int toStart, int toEnd)
-//     {
-//         stream.SetLength();
-//         stream.Position = fromStart;
-//         stream.
-//     }
-//     
-//     public override void Flush()
-//     {
-//         throw new System.NotImplementedException();
-//     }
-//
-//     public override int Read(byte[] buffer, int offset, int count)
-//     {
-//         throw new System.NotImplementedException();
-//     }
-//
-//     public override long Seek(long offset, SeekOrigin origin)
-//     {
-//         throw new System.NotImplementedException();
-//     }
-//
-//     public override void SetLength(long value)
-//     {
-//         throw new System.NotImplementedException();
-//     }
-//
-//     public override void Write(byte[] buffer, int offset, int count)
-//     {
-//         throw new System.NotImplementedException();
-//     }
-//
-//     public override bool CanRead { get; }
-//     public override bool CanSeek { get; }
-//     public override bool CanWrite { get; }
-//     public override long Length { get; }
-//     public override long Position { get; set; }
-// }
\ No newline at end of file