diff --git a/libs/microbit/pxt.json b/libs/microbit/pxt.json
index 9e06c1e9..d45a0a08 100644
--- a/libs/microbit/pxt.json
+++ b/libs/microbit/pxt.json
@@ -36,6 +36,7 @@
     "public": true,
     "dependencies": {},
     "yotta": {
+        "configIsJustDefaults": true,
         "config": {
             "microbit-dal": {
                 "bluetooth": {