--- a/browser/confvars.sh
+++ b/browser/confvars.sh
@@ -67,3 +67,7 @@
 
 # Include the DevTools client, not just the server (which is the default)
 MOZ_DEVTOOLS=all
+
+MOZ_DATA_REPORTING=0
+MOZ_TELEMETRY_REPORTING=0
+MOZ_SERVICES_HEALTHREPORT=0