diff --git a/src/Microsoft.AspNetCore.WebSockets/WebSocketMiddleware.cs b/src/Microsoft.AspNetCore.WebSockets/WebSocketMiddleware.cs
index a583bccd2b..eba9597cd5 100644
--- a/src/Microsoft.AspNetCore.WebSockets/WebSocketMiddleware.cs
+++ b/src/Microsoft.AspNetCore.WebSockets/WebSocketMiddleware.cs
@@ -119,10 +119,7 @@ namespace Microsoft.AspNetCore.WebSockets
 
                 Stream opaqueTransport = await _upgradeFeature.UpgradeAsync(); // Sets status code to 101
 
-                // Allocate a buffer for receive (default is 4k)
-                var buffer = new byte[receiveBufferSize];
-
-                return WebSocketProtocol.CreateFromStream(opaqueTransport, isServer: true, subProtocol: subProtocol, keepAliveInterval: keepAliveInterval, buffer: buffer);
+                return WebSocketProtocol.CreateFromStream(opaqueTransport, isServer: true, subProtocol: subProtocol, keepAliveInterval: keepAliveInterval);
             }
         }
     }