diff --git a/Duplicati/Library/Main/Operation/Backup/StreamBlockSplitter.cs b/Duplicati/Library/Main/Operation/Backup/StreamBlockSplitter.cs
index b855d2c7b..f0b8434f3 100644
--- a/Duplicati/Library/Main/Operation/Backup/StreamBlockSplitter.cs
+++ b/Duplicati/Library/Main/Operation/Backup/StreamBlockSplitter.cs
@@ -63,7 +63,6 @@ namespace Duplicati.Library.Main.Operation.Backup
                 {
                     var send_close = false;
                     var filesize = 0L;
-                    var filename = string.Empty;
 
                     var e = await self.Input.ReadAsync();
                     var cur = e.Result;