diff --git a/libs/core/control.ts b/libs/core/control.ts
index 83b3a98718b..b4cf3851243 100644
--- a/libs/core/control.ts
+++ b/libs/core/control.ts
@@ -17,6 +17,10 @@ namespace control {
         control.inBackground(a);
     }
 
+    //% shim=TD_NOOP
+    export function singleSimulator(): void {
+    }
+
     /**
      * Returns the value of a C++ runtime constant
      */