diff --git a/targetconfig.json b/targetconfig.json
index 6b7c8d6fa0..10b0df6d0d 100644
--- a/targetconfig.json
+++ b/targetconfig.json
@@ -485,12 +485,6 @@
                     "aspectRatio": 3.45
                 }
             },
-            "microbit-apps/pxt-arcadeshield": {
-                "simx": {
-                    "sha": "5bac5ff5b80621b53b746e4bbe252e406b992bdb",
-                    "devUrl": "http://localhost:3000"
-                }
-            },
             "microbit-apps/arcadeshield": {
                 "simx": {
                     "sha": "d0f7ccae711cff6dd61ffd0bd95c4bab913e3a99",