diff --git a/os/src-jvm/ProcessOps.scala b/os/src-jvm/ProcessOps.scala
index b9b4a357..6a7db9ba 100644
--- a/os/src-jvm/ProcessOps.scala
+++ b/os/src-jvm/ProcessOps.scala
@@ -311,7 +311,6 @@ case class ProcGroup private[os] (commands: Seq[proc]) {
                 runnable.run()
               } catch {
                 case e: IOException =>
-                  println(s"Broken pipe in process $index")
                   queue.put(index)
               }
             }
diff --git a/os/src-jvm/SubProcess.scala b/os/src-jvm/SubProcess.scala
index 5a8a7dde..72f8d7ec 100644
--- a/os/src-jvm/SubProcess.scala
+++ b/os/src-jvm/SubProcess.scala
@@ -241,13 +241,11 @@ class ProcessPipeline(
           var pipelineRunning = true
           while (pipelineRunning) {
             val brokenPipeIndex = queue.take()
-            println("Killing " + brokenPipeIndex)
             if (brokenPipeIndex == processes.length) { // Special case signaling finished pipeline
               pipelineRunning = false
             } else {
               processes(brokenPipeIndex).destroyForcibly()
             }
-            println("Processes status: " + processes.map(_.isAlive()))
           }
           new Thread(
             new Runnable {