diff --git a/src/libraries/Common/tests/System/Net/Http/Http3LoopbackConnection.cs b/src/libraries/Common/tests/System/Net/Http/Http3LoopbackConnection.cs
index 9d6fef5fb3a72..5635b753a5f6c 100644
--- a/src/libraries/Common/tests/System/Net/Http/Http3LoopbackConnection.cs
+++ b/src/libraries/Common/tests/System/Net/Http/Http3LoopbackConnection.cs
@@ -198,7 +198,6 @@ public async Task DisposeCurrentStream()
             await _currentStream.DisposeAsync().ConfigureAwait(false);
             _openStreams.Remove((int)_currentStreamId);
             _currentStream = null;
-            _currentStreamId = -4;
         }
 
         public override async Task<byte[]> ReadRequestBodyAsync()