diff --git a/testing/firefox/files/mozconfig b/testing/firefox/files/mozconfig
index 6374f62f..6f89f21a 100644
--- a/testing/firefox/files/mozconfig
+++ b/testing/firefox/files/mozconfig
@@ -16,13 +16,9 @@ ac_add_options --enable-system-ffi
 
 ac_add_options --disable-gconf
 ac_add_options --disable-tests
-ac_add_options --disable-crashreporter
-ac_add_options --disable-updater
 ac_add_options --disable-install-strip
 ac_add_options --disable-strip
 ac_add_options --disable-profiling
-ac_add_options --disable-maintenance-service
-ac_add_options --disable-eme
 ac_add_options --enable-optimize="$CFLAGS"
 
 ac_add_options --enable-official-branding
@@ -37,6 +33,20 @@ ac_add_options --enable-release
 ac_add_options --disable-pulseaudio
 ac_add_options --enable-alsa
 
-ac_add_options --disable-dbus
 ac_add_options --disable-necko-wifi
 ac_add_options --disable-startup-notification
+
+# Respect the user's privacy.
+export MOZ_SERVICES_METRICS=0
+export MOZ_TELEMETRY_REPORTING=0
+export MOZ_PAY=0
+export MOZ_SERVICES_HEALTHREPORTER=0
+export MOZ_SERVICES_FXACCOUNTS=0
+export MOZ_SERVICES_METRICS=0
+export MOZ_DATA_REPORTING=0
+export MOZ_DEVICES=0
+ac_add_options --disable-crashreporter
+ac_add_options --disable-updater
+ac_add_options --disable-dbus
+ac_add_options --disable-maintenance-service
+ac_add_options --disable-eme