diff --git a/exercises/practice/robot-simulator/.meta/config.json b/exercises/practice/robot-simulator/.meta/config.json
index 322cf7d453969..a3aea9928a07b 100644
--- a/exercises/practice/robot-simulator/.meta/config.json
+++ b/exercises/practice/robot-simulator/.meta/config.json
@@ -17,6 +17,5 @@
       ".meta/example.jl"
     ]
   },
-  "source": "Inspired by an interview question at a famous company.",
-  "source_url": ""
+  "source": "Inspired by an interview question at a famous company."
 }