remove dead code (#1796)

2 files changed, 0 insertions, 26 deletions

diff --git a/js/deno.ts b/js/deno.ts
index 2e69a5bbd..6d6e57a41 100644
--- a/js/deno.ts
+++ b/js/deno.ts
@@ -64,6 +64,3 @@ export { Console, stringifyArgs } from "./console";
 // TODO Don't expose DomIterableMixin.
 /** @internal */
 export { DomIterableMixin } from "./mixins/dom_iterable";
-// TODO Don't expose deferred.
-/** @internal */
-export { deferred } from "./util";
diff --git a/js/util.ts b/js/util.ts
index 542356da0..6f8c72f50 100644
--- a/js/util.ts
+++ b/js/util.ts
@@ -107,29 +107,6 @@ export function containsOnlyASCII(str: string): boolean {
   return /^[\x00-\x7F]*$/.test(str);
 }
 
-export interface Deferred {
-  promise: Promise<void>;
-  resolve: Function;
-  reject: Function;
-}
-
-/** Create a wrapper around a promise that could be resolved externally.
- * TODO Do not expose this from "deno" namespace.
- */
-export function deferred(): Deferred {
-  let resolve: Function | undefined;
-  let reject: Function | undefined;
-  const promise = new Promise<void>((res, rej) => {
-    resolve = res;
-    reject = rej;
-  });
-  return {
-    promise,
-    resolve: resolve!,
-    reject: reject!
-  };
-}
-
 // tslint:disable-next-line:variable-name
 const TypedArrayConstructor = Object.getPrototypeOf(Uint8Array);
 export function isTypedArray(x: unknown): x is TypedArray {