diff --git a/user.js b/user.js
index ae33fbe..6345d5e 100644
--- a/user.js
+++ b/user.js
@@ -48,6 +48,14 @@ user_pref("geo.provider.ms-windows-location", false);
 user_pref("geo.provider.use_geoclue", false);
 user_pref("geo.provider.use_gpsd", false);
 
+// Machine learning
+user_pref("browser.ml.chat.enabled", false);
+user_pref("browser.ml.chat.menu", false);
+user_pref("browser.ml.enable", false);
+user_pref("browser.tabs.groups.smart.enabled", false);
+user_pref("browser.tabs.groups.smart.userEnabled", false);
+user_pref("extensions.ui.mlmodel.hidden", true);
+
 // New tab
 user_pref("browser.newtabpage.activity-stream.asrouter.providers.cfr", "");
 user_pref("browser.newtabpage.activity-stream.asrouter.providers.cfr-fxa", "");