diff --git a/start-jupyter b/start-jupyter
index 37baed493af4cd3d43192bcc186d2d0d669e7464..cac4dafbed511ef54da07a96965c34ad9632b642 100755
--- a/start-jupyter
+++ b/start-jupyter
@@ -354,7 +354,6 @@ function main () {
     trap clean_up INT QUIT TERM ERR EXIT
 
     echo "Establishing ssh master connection."
-    set -x
     # Set up control master for connection sharing
     mkdir -p "${HOME}/.ssh"
     ssh_socket_dir="$(mktemp -d "${HOME}/.ssh/socket.XXXXX")"