diff --git a/akka-stream/src/main/scala/akka/stream/impl/io/OutputStreamSubscriber.scala b/akka-stream/src/main/scala/akka/stream/impl/io/OutputStreamSubscriber.scala
index b3507d7430..a82f875019 100644
--- a/akka-stream/src/main/scala/akka/stream/impl/io/OutputStreamSubscriber.scala
+++ b/akka-stream/src/main/scala/akka/stream/impl/io/OutputStreamSubscriber.scala
@@ -37,7 +37,6 @@ private[akka] class OutputStreamSubscriber(os: OutputStream, bytesWrittenPromise
         bytesWritten += bytes.length
       } catch {
         case ex: Exception ⇒
-          println("ex = " + ex)
           bytesWrittenPromise.failure(ex)
           cancel()
       }