diff --git a/BUILD.gn b/BUILD.gn
index 1436519efa..448f926cbd 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -227,7 +227,6 @@ run_node("bundle") {
     "js/fetch.ts",
     "js/fetch_types.d.ts",
     "js/globals.ts",
-    "js/lib.globals.d.ts",
     "js/main.ts",
     "js/os.ts",
     "js/plugins.d.ts",
diff --git a/js/assets.ts b/js/assets.ts
index e5ec507f7e..8ea8f96015 100644
--- a/js/assets.ts
+++ b/js/assets.ts
@@ -6,7 +6,7 @@
 // There is a rollup plugin that will inline any module ending with `!string`
 // tslint:disable:max-line-length
 
-// Generated definitions
+// Generated default library
 import globalsDts from "gen/types/globals.d.ts!string";
 
 // Static libraries
@@ -38,7 +38,6 @@ import libEsnextAsynciterablesDts from "/third_party/node_modules/typescript/lib
 import libEsnextDts from "/third_party/node_modules/typescript/lib/lib.esnext.d.ts!string";
 import libEsnextIntlDts from "/third_party/node_modules/typescript/lib/lib.esnext.intl.d.ts!string";
 import libEsnextSymbolDts from "/third_party/node_modules/typescript/lib/lib.esnext.symbol.d.ts!string";
-import libGlobalsDts from "/js/lib.globals.d.ts!string";
 
 // Static definitions
 import fetchTypesDts from "/js/fetch_types.d.ts!string";
@@ -49,7 +48,7 @@ import typescriptDts from "/third_party/node_modules/typescript/lib/typescript.d
 
 // prettier-ignore
 export const assetSourceCode: { [key: string]: string } = {
-  // Generated definitions
+  // Generated library
   "globals.d.ts": globalsDts,
 
   // Static libraries
@@ -81,7 +80,6 @@ export const assetSourceCode: { [key: string]: string } = {
   "lib.esnext.asynciterable.d.ts": libEsnextAsynciterablesDts,
   "lib.esnext.intl.d.ts": libEsnextIntlDts,
   "lib.esnext.symbol.d.ts": libEsnextSymbolDts,
-  "lib.globals.d.ts": libGlobalsDts,
 
   // Static definitions
   "fetch-types.d.ts": fetchTypesDts,
diff --git a/js/compiler.ts b/js/compiler.ts
index 28fe8be8fc..e75bc48d82 100644
--- a/js/compiler.ts
+++ b/js/compiler.ts
@@ -641,7 +641,7 @@ export class DenoCompiler implements ts.LanguageServiceHost {
 
   getDefaultLibFileName(): string {
     this._log("getDefaultLibFileName()");
-    const moduleSpecifier = "lib.globals.d.ts";
+    const moduleSpecifier = "globals.d.ts";
     const moduleMetaData = this.resolveModule(moduleSpecifier, ASSETS);
     return moduleMetaData.fileName;
   }
diff --git a/js/compiler_test.ts b/js/compiler_test.ts
index 18c2d16cc6..364850d8ea 100644
--- a/js/compiler_test.ts
+++ b/js/compiler_test.ts
@@ -445,10 +445,7 @@ test(function compilerGetCurrentDirectory() {
 
 test(function compilerGetDefaultLibFileName() {
   setup();
-  assertEqual(
-    compilerInstance.getDefaultLibFileName(),
-    "$asset$/lib.globals.d.ts"
-  );
+  assertEqual(compilerInstance.getDefaultLibFileName(), "$asset$/globals.d.ts");
   teardown();
 });
 
@@ -485,14 +482,13 @@ test(function compilerFileExists() {
 test(function compilerResolveModuleNames() {
   setup();
   const results = compilerInstance.resolveModuleNames(
-    ["foo/bar.ts", "foo/baz.ts", "$asset$/lib.globals.d.ts", "deno"],
+    ["foo/bar.ts", "foo/baz.ts", "deno"],
     "/root/project"
   );
-  assertEqual(results.length, 4);
+  assertEqual(results.length, 3);
   const fixtures: Array<[string, boolean]> = [
     ["/root/project/foo/bar.ts", false],
     ["/root/project/foo/baz.ts", false],
-    ["$asset$/lib.globals.d.ts", true],
     ["$asset$/globals.d.ts", true]
   ];
   for (let i = 0; i < results.length; i++) {
diff --git a/js/lib.globals.d.ts b/js/lib.globals.d.ts
deleted file mode 100644
index 5243e4b5d3..0000000000
--- a/js/lib.globals.d.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-// Copyright 2018 the Deno authors. All rights reserved. MIT license.
-// This file contains the default TypeScript libraries for the deno runtime.
-/// <reference no-default-lib="true"/>
-/// <reference lib="esnext" />
-/// <reference path="globals.d.ts"/>
diff --git a/rollup.config.js b/rollup.config.js
index 299bdad92a..3dbe292601 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -24,6 +24,12 @@ const tsconfigOverride = {
   }
 };
 
+// this is a preamble for the `globals.d.ts` file to allow it to be the default
+// lib for deno.
+const libPreamble = `/// <reference no-default-lib="true"/>
+/// <reference lib="esnext" />
+`;
+
 // this is a rollup plugin which will look for imports ending with `!string` and resolve
 // them with a module that will inline the contents of the file as a string.  Needed to
 // support `js/assets.ts`.
@@ -62,7 +68,9 @@ function strings({ include, exclude } = {}) {
     transform(code, id) {
       if (filter(id)) {
         return {
-          code: `export default ${JSON.stringify(code)};`,
+          code: `export default ${JSON.stringify(
+            id.endsWith("globals.d.ts") ? libPreamble + code : code
+          )};`,
           map: { mappings: "" }
         };
       }