diff --git a/types/custom-functions-runtime/custom-functions-runtime-tests.ts b/types/custom-functions-runtime/custom-functions-runtime-tests.ts
deleted file mode 100644
index d23e2e60e6..0000000000
--- a/types/custom-functions-runtime/custom-functions-runtime-tests.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-function ADD10(n: number) {
-    return n + 10;
-}
-
-declare const CustomFunctionMappings: { 
-    "addTen": ADD10();
-};
-
-async function getStockValues(ticker: string, handler: CustomFunctions.StreamingHandler<number>) {
-    const dollars = await (await fetch(`myService.com/prices/${ticker}`)).json();
-        handler.setResult(dollars)
-}
-
-async function getStockValuesOneTime(ticker: string, handler: CustomFunctions.CancelableHandler) {
-    var shouldStop = false;
-    handler.onCanceled = () => shouldStop = true;
-    await pause(1000);
-
-    if (shouldStop) {
-        return null;
-    }
-
-      const dollars = await (await fetch(`myService.com/prices/${ticker}`)).json();
-        return dollars;
-}
-
-async function getStockValuesNowWithNoCancelling(ticker: string) {
-    const dollars = await (await fetch(`myService.com/prices/${ticker}`)).json();
-    return dollars;
-}
-
-declare function pause(ms: number): Promise<void>