diff --git a/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs b/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs
index 3aa7ca2105..4bde4179f6 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs
@@ -395,7 +395,6 @@ namespace Microsoft.AspNet.Server.KestrelTests
                 var socket = new Socket(SocketType.Stream, ProtocolType.IP);
                 socket.Connect(IPAddress.Loopback, 54321);
                 await Task.Delay(200);
-                socket.Disconnect(false);
                 socket.Dispose();
 
                 await Task.Delay(200);