diff --git a/user.js b/user.js
index fcdf9bd..5dbcac2 100644
--- a/user.js
+++ b/user.js
@@ -44,6 +44,14 @@ user_pref("browser.download.start_downloads_in_tmp_dir", true);
 user_pref("browser.download.useDownloadDir", false);
 user_pref("browser.helperApps.deleteTempFileOnExit", true);
 
+// Experiments
+user_pref("messaging-system.rsexperimentloader.collection_id", "");
+user_pref("nimbus.profilesdatastoreservice.enabled", false);
+user_pref("nimbus.profileId", "");
+user_pref("nimbus.telemetry.targetingContextEnabled", false);
+user_pref("nimbus.rollouts.enabled", false);
+user_pref("nimbus.validation.enabled", false);
+
 // Firefox View
 user_pref("browser.tabs.firefox-view", false);
 user_pref("browser.tabs.firefox-view-next", false);