diff --git a/js-api-doc/compile.d.ts b/js-api-doc/compile.d.ts
index 032774ba..32cc9b8c 100644
--- a/js-api-doc/compile.d.ts
+++ b/js-api-doc/compile.d.ts
@@ -1,4 +1,3 @@
-import {URL} from 'url';
 import {RawSourceMap} from 'source-map-js';
 
 import {Options, StringOptions} from './options';
diff --git a/js-api-doc/importer.d.ts b/js-api-doc/importer.d.ts
index 1a74d6a6..68a83402 100644
--- a/js-api-doc/importer.d.ts
+++ b/js-api-doc/importer.d.ts
@@ -1,5 +1,3 @@
-import {URL} from 'url';
-
 import {Syntax} from './options';
 import {PromiseOr} from './util/promise_or';
 
diff --git a/js-api-doc/logger/source_span.d.ts b/js-api-doc/logger/source_span.d.ts
index 89d28932..4f84b3c8 100644
--- a/js-api-doc/logger/source_span.d.ts
+++ b/js-api-doc/logger/source_span.d.ts
@@ -1,5 +1,3 @@
-import {URL} from 'url';
-
 import {SourceLocation} from './source_location';
 
 /**
diff --git a/js-api-doc/options.d.ts b/js-api-doc/options.d.ts
index a601356d..bece0e3b 100644
--- a/js-api-doc/options.d.ts
+++ b/js-api-doc/options.d.ts
@@ -1,5 +1,3 @@
-import {URL} from 'url';
-
 import {FileImporter, Importer} from './importer';
 import {Logger} from './logger';
 import {Value} from './value';
diff --git a/spec/js-api/compile.d.ts b/spec/js-api/compile.d.ts
index f6e535bc..06240f35 100644
--- a/spec/js-api/compile.d.ts
+++ b/spec/js-api/compile.d.ts
@@ -1,4 +1,3 @@
-import {URL} from 'url';
 import {RawSourceMap} from 'source-map-js'; // https://www.npmjs.com/package/source-map-js
 
 import {Options, StringOptions} from './options';
diff --git a/spec/js-api/importer.d.ts b/spec/js-api/importer.d.ts
index 1338b39e..a5126333 100644
--- a/spec/js-api/importer.d.ts
+++ b/spec/js-api/importer.d.ts
@@ -1,5 +1,3 @@
-import {URL} from 'url';
-
 import {Syntax} from './options';
 import {PromiseOr} from './util/promise_or';
 
diff --git a/spec/js-api/logger/source_span.d.ts b/spec/js-api/logger/source_span.d.ts
index 55f4e1f9..fd887daf 100644
--- a/spec/js-api/logger/source_span.d.ts
+++ b/spec/js-api/logger/source_span.d.ts
@@ -1,5 +1,3 @@
-import {URL} from 'url';
-
 import {SourceLocation} from './source_location';
 
 /**
diff --git a/spec/js-api/options.d.ts b/spec/js-api/options.d.ts
index ce3fc977..5b9a3058 100644
--- a/spec/js-api/options.d.ts
+++ b/spec/js-api/options.d.ts
@@ -1,5 +1,3 @@
-import {URL} from 'url';
-
 import {FileImporter, Importer} from './importer';
 import {Logger} from './logger';
 import {Value} from './value';
diff --git a/tsconfig.json b/tsconfig.json
index d6b61167..2b9015fb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,7 @@
   "compilerOptions": {
     "allowJs": true,
     "rootDir": ".",
+    "lib": ["dom"],
     "paths": {
       "*": ["./tool/types/*"]
     }