diff --git a/Gruntfile.js b/Gruntfile.js
index eba38704f3ee..626774843444 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -311,6 +311,7 @@ module.exports = function (grunt) {
   ]);
 
   registerTaskAndAddToHelp('serve', 'Serve out/ (without building anything)', ['run:serve']);
+  registerTaskAndAddToHelp('lint', 'Check lint and formatting', ['run:lint']);
   registerTaskAndAddToHelp('fix', 'Fix lint and formatting', ['run:fix']);
 
   addExistingTaskToHelp('clean', 'Delete built and generated files');
diff --git a/package-lock.json b/package-lock.json
index 83dbb0a58e87..6ed799243ea0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,6 @@
         "@types/express": "^4.17.20",
         "@types/jquery": "^3.5.25",
         "@types/morgan": "^1.9.7",
-        "@types/node": "^20.8.10",
         "@types/offscreencanvas": "^2019.7.2",
         "@types/pngjs": "^6.0.3",
         "@types/serve-index": "^1.9.3",
diff --git a/package.json b/package.json
index 8f2718ab370a..bce2966dc0a8 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "checks": "grunt checks",
     "unittest": "grunt unittest",
     "typecheck": "grunt typecheck",
+    "lint": "grunt run:lint",
     "fix": "grunt fix",
     "gen_wpt_cts_html": "node tools/gen_wpt_cts_html",
     "gen_cache": "node tools/gen_cache",
@@ -43,7 +44,6 @@
     "@types/express": "^4.17.20",
     "@types/jquery": "^3.5.25",
     "@types/morgan": "^1.9.7",
-    "@types/node": "^20.8.10",
     "@types/offscreencanvas": "^2019.7.2",
     "@types/pngjs": "^6.0.3",
     "@types/serve-index": "^1.9.3",
diff --git a/src/common/runtime/standalone.ts b/src/common/runtime/standalone.ts
index dc75e6fd01a4..3c402fadbe9f 100644
--- a/src/common/runtime/standalone.ts
+++ b/src/common/runtime/standalone.ts
@@ -1,4 +1,5 @@
 // Implements the standalone test runner (see also: /standalone/index.html).
+
 /* eslint no-console: "off" */
 
 import { dataCache } from '../framework/data_cache.js';
diff --git a/src/common/util/navigator_gpu.ts b/src/common/util/navigator_gpu.ts
index 4110a0edb531..47adecc59ef8 100644
--- a/src/common/util/navigator_gpu.ts
+++ b/src/common/util/navigator_gpu.ts
@@ -1,5 +1,3 @@
-/// <reference types="@webgpu/types" />
-
 import { TestCaseRecorder } from '../framework/fixture.js';
 
 import { ErrorWithExtra, assert, objectEquals } from './util.js';
diff --git a/tsconfig.json b/tsconfig.json
index 6d3b0d98bfcd..9f7f874591ad 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,15 @@
   "compilerOptions": {
     "lib": ["dom", "es2020"],
     "module": "esnext",
+    // Use types only from these packages (not everything in package.json, which is the default).
+    // Note that TypeScript's `/// <reference />` is the same as adding an entry here - it's global
+    // to the whole project.
+    "types": [
+      "@types/dom-mediacapture-transform",
+      "@webgpu/types",
+      // Required for standalone.ts
+      "@types/jquery",
+    ],
     /* Output options */
     "noEmit": true,
     /* Strict type-checking options */