diff --git a/toolkit/components/telemetry/TelemetryPing.jsm b/toolkit/components/telemetry/TelemetryPing.jsm
index cb891507fc6..d93556efab7 100644
--- a/toolkit/components/telemetry/TelemetryPing.jsm
+++ b/toolkit/components/telemetry/TelemetryPing.jsm
@@ -9,7 +9,6 @@ const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cr = Components.results;
 const Cu = Components.utils;
-const myScope = this;
 
 Cu.import("resource://gre/modules/Log.jsm");
 Cu.import("resource://gre/modules/debug.js", this);
@@ -318,11 +317,6 @@ let Impl = {
     this._log.trace("assemblePing - Type " + aType + ", Server " + this._server +
                     ", aOptions " + JSON.stringify(aOptions));
 
-    // Clone the payload data so we don't race against unexpected changes in subobjects that are
-    // still referenced by other code.
-    // We can't trust all callers to do this properly on their own.
-    let payload = Cu.cloneInto(aPayload, myScope);
-
     // Fill the common ping fields.
     let pingData = {
       type: aType,