--- a/testing/marionette/driver.js
+++ b/testing/marionette/driver.js
@@ -201,17 +201,16 @@ GeckoDriver.prototype.switchToGlobalMess
  * @param {string} name
  *     Suffix of the targetted message listener ({@code Marionette:<suffix>}).
  * @param {Object=} msg
  *     JSON serialisable object to send to the listener.
  * @param {number=} cmdId
  *     Command ID to ensure synchronisity.
  */
 GeckoDriver.prototype.sendAsync = function(name, msg, cmdId) {
-  logger.info(`sendAsync ${this.sessionId}`)
   let curRemoteFrame = this.curBrowser.frameManager.currentRemoteFrame;
   name = "Marionette:" + name;
 
   // TODO(ato): When proxy.AsyncMessageChannel
   // is used for all chrome <-> content communication
   // this can be removed.
   if (cmdId) {
     msg.command_id = cmdId;