diff --git a/akka-io/src/test/scala/akka/io/TcpConnectionSpec.scala b/akka-io/src/test/scala/akka/io/TcpConnectionSpec.scala
index ff8e1f241d..f1682d8077 100644
--- a/akka-io/src/test/scala/akka/io/TcpConnectionSpec.scala
+++ b/akka-io/src/test/scala/akka/io/TcpConnectionSpec.scala
@@ -96,7 +96,6 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
         object Ack1
         object Ack2
 
-        //serverSideChannel.configureBlocking(false)
         clientSideChannel.socket.setSendBufferSize(1024)
 
         val writer = TestProbe()