diff --git a/config.json b/config.json
index f580358..9150da2 100644
--- a/config.json
+++ b/config.json
@@ -1,7 +1,5 @@
 {
-  "slug": "elm",
   "language": "Elm",
-  "repository": "https://github.com/exercism/elm",
   "active": true,
   "exercises": [
     {