diff --git a/packages/core/test/bundling/hello_world/BUILD.bazel b/packages/core/test/bundling/hello_world/BUILD.bazel
index 68c2a6f35a..f6da85e8b9 100644
--- a/packages/core/test/bundling/hello_world/BUILD.bazel
+++ b/packages/core/test/bundling/hello_world/BUILD.bazel
@@ -32,7 +32,7 @@ ng_rollup_bundle(
 ts_library(
     name = "test_lib",
     testonly = 1,
-    srcs = ["domino_typings.d.ts"] + glob(["*_spec.ts"]),
+    srcs = glob(["*_spec.ts"]),
     deps = [
         "//packages:types",
         "//packages/core/testing",
diff --git a/packages/core/test/bundling/hello_world/domino_typings.d.ts b/packages/core/test/bundling/hello_world/domino_typings.d.ts
deleted file mode 100644
index ea774b9c78..0000000000
--- a/packages/core/test/bundling/hello_world/domino_typings.d.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * @license
- * Copyright Google Inc. All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
-declare module 'domino' {
-  function createWindow(html: string, url: string): Window;
-  const impl: {Element: any};
-}
diff --git a/packages/core/test/bundling/hello_world/treeshaking_spec.ts b/packages/core/test/bundling/hello_world/treeshaking_spec.ts
index 7baae2e086..fc7e758315 100644
--- a/packages/core/test/bundling/hello_world/treeshaking_spec.ts
+++ b/packages/core/test/bundling/hello_world/treeshaking_spec.ts
@@ -15,17 +15,8 @@ const UTF8 = {
 };
 const PACKAGE = 'angular/packages/core/test/bundling/hello_world';
 
-import * as domino from 'domino';
-
 describe('treeshaking with uglify', () => {
 
-  beforeAll(() => {
-    // initialize window so that when rxjs is loaded it is loaded and initialized as if it was
-    // loaded in a browser
-    // even when the test runs in node
-    (global as any).window = domino.createWindow('', 'http://localhost');
-  });
-
   let content: string;
   const contentPath = require.resolve(path.join(PACKAGE, 'bundle.min_debug.js'));
   beforeAll(() => { content = fs.readFileSync(contentPath, UTF8); });