diff --git a/extensions/simple-browser/package.json b/extensions/simple-browser/package.json
index 2d7228605d5..caeb6097fb7 100644
--- a/extensions/simple-browser/package.json
+++ b/extensions/simple-browser/package.json
@@ -70,7 +70,6 @@
     "vscode-nls": "^5.0.0"
   },
   "devDependencies": {
-    "@types/node": "14.x",
     "@types/vscode-webview": "^1.57.0",
     "vscode-codicons": "^0.0.14"
   },
diff --git a/extensions/simple-browser/src/extension.ts b/extensions/simple-browser/src/extension.ts
index 1831c7c638c..afa9f5cd101 100644
--- a/extensions/simple-browser/src/extension.ts
+++ b/extensions/simple-browser/src/extension.ts
@@ -7,7 +7,10 @@ import * as vscode from 'vscode';
 import * as nls from 'vscode-nls';
 import { SimpleBrowserManager } from './simpleBrowserManager';
 
-declare const URL: typeof import('url').URL;
+declare class URL {
+	constructor(input: string, base?: string | URL);
+	hostname: string;
+}
 
 const localize = nls.loadMessageBundle();
 
diff --git a/extensions/simple-browser/tsconfig.json b/extensions/simple-browser/tsconfig.json
index f34c085e93e..67181035234 100644
--- a/extensions/simple-browser/tsconfig.json
+++ b/extensions/simple-browser/tsconfig.json
@@ -2,7 +2,7 @@
 	"extends": "../tsconfig.base.json",
 	"compilerOptions": {
 		"outDir": "./out",
-		"experimentalDecorators": true
+		"types": []
 	},
 	"include": [
 		"src/**/*"
diff --git a/extensions/simple-browser/yarn.lock b/extensions/simple-browser/yarn.lock
index b473793395f..09b66a44bf6 100644
--- a/extensions/simple-browser/yarn.lock
+++ b/extensions/simple-browser/yarn.lock
@@ -2,11 +2,6 @@
 # yarn lockfile v1
 
 
-"@types/node@14.x":
-  version "14.14.43"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.43.tgz#26bcbb0595b305400e8ceaf9a127a7f905ae49c8"
-  integrity sha512-3pwDJjp1PWacPTpH0LcfhgjvurQvrZFBrC6xxjaUEZ7ifUtT32jtjPxEMMblpqd2Mvx+k8haqQJLQxolyGN/cQ==
-
 "@types/vscode-webview@^1.57.0":
   version "1.57.0"
   resolved "https://registry.yarnpkg.com/@types/vscode-webview/-/vscode-webview-1.57.0.tgz#bad5194d45ae8d03afc1c0f67f71ff5e7a243bbf"