diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index 1a4972c20..58d8eb5b8 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -1539,16 +1539,16 @@ pref("browser.translation.engine", "bing");
 
 // Telemetry settings.
 // Determines if Telemetry pings can be archived locally.
-pref("toolkit.telemetry.archive.enabled", true);
+pref("toolkit.telemetry.archive.enabled", false);
 // Whether we enable opt-out Telemetry for a sample of the release population.
 pref("toolkit.telemetry.optoutSample", true);
 
 // Telemetry experiments settings.
-pref("experiments.enabled", true);
+pref("experiments.enabled", false);
 pref("experiments.manifest.fetchIntervalSeconds", 86400);
 pref("experiments.manifest.uri", "https://telemetry-experiment.cdn.mozilla.net/manifest/v1/firefox/%VERSION%/%CHANNEL%");
 // Whether experiments are supported by the current application profile.
-pref("experiments.supported", true);
+pref("experiments.supported", false);
 
 // Enable GMP support in the addon manager.
 pref("media.gmp-provider.enabled", true);