diff --git a/extensions/json-language-features/extension.webpack.config.js b/extensions/json-language-features/extension.webpack.config.js
index b5811e6f527..2e1d251fd33 100644
--- a/extensions/json-language-features/extension.webpack.config.js
+++ b/extensions/json-language-features/extension.webpack.config.js
@@ -9,7 +9,6 @@
 
 const withDefaults = require('../shared.webpack.config');
 const path = require('path');
-const webpack = require('webpack');
 
 const config = withDefaults({
 	context: path.join(__dirname, 'client'),
diff --git a/extensions/json-language-features/server/extension.webpack.config.js b/extensions/json-language-features/server/extension.webpack.config.js
index f307e4408e1..2c2133ec895 100644
--- a/extensions/json-language-features/server/extension.webpack.config.js
+++ b/extensions/json-language-features/server/extension.webpack.config.js
@@ -9,7 +9,6 @@
 
 const withDefaults = require('../../shared.webpack.config');
 const path = require('path');
-const webpack = require('webpack');
 
 const config = withDefaults({
 	context: path.join(__dirname),
diff --git a/extensions/microsoft-authentication/extension.webpack.config.js b/extensions/microsoft-authentication/extension.webpack.config.js
index e18229a8e17..a513ac5c3b5 100644
--- a/extensions/microsoft-authentication/extension.webpack.config.js
+++ b/extensions/microsoft-authentication/extension.webpack.config.js
@@ -7,7 +7,6 @@
 
 'use strict';
 
-const path = require('path');
 const withDefaults = require('../shared.webpack.config');
 
 module.exports = withDefaults({
diff --git a/extensions/npm/extension.webpack.config.js b/extensions/npm/extension.webpack.config.js
index 1c6d9493e33..320956abe3d 100644
--- a/extensions/npm/extension.webpack.config.js
+++ b/extensions/npm/extension.webpack.config.js
@@ -7,8 +7,6 @@
 
 'use strict';
 
-const path = require('path');
-
 const withDefaults = require('../shared.webpack.config');
 
 module.exports = withDefaults({
diff --git a/extensions/shared.webpack.config.js b/extensions/shared.webpack.config.js
index cf069463962..73e5036c7fb 100644
--- a/extensions/shared.webpack.config.js
+++ b/extensions/shared.webpack.config.js
@@ -64,13 +64,13 @@ function withNodeDefaults(/**@type WebpackConfig*/extConfig) {
 		},
 		// yes, really source maps
 		devtool: 'source-map',
-		plugins: getDefaultNodePlugins(extConfig.context),
+		plugins: nodePlugins(extConfig.context),
 	};
 
 	return merge(defaultConfig, extConfig);
 }
 
-function getDefaultNodePlugins(context) {
+function nodePlugins(context) {
 	// Need to find the top-most `package.json` file
 	const folderName = path.relative(__dirname, context).split(/[\\\/]/)[0];
 	const pkgPath = path.join(__dirname, folderName, 'package.json');
@@ -136,31 +136,30 @@ function withBrowserDefaults(/**@type WebpackConfig*/extConfig) {
 		},
 		// yes, really source maps
 		devtool: 'source-map',
-		plugins: getDefaultBrowserPlugins()
+		plugins: browserPlugins
 	};
 
 	return merge(defaultConfig, extConfig);
 }
 
-function getDefaultBrowserPlugins() {
-	return [
-		new CopyWebpackPlugin({
-			patterns: [
-				{ from: 'src', to: '.', globOptions: { ignore: ['**/test/**', '**/*.ts'] }, noErrorOnMissing: true }
-			]
-		}),
-		new DefinePlugin({
-			'process.env': JSON.stringify({}),
-			'process.env.BROWSER_ENV': JSON.stringify('true')
-		})
-	];
-}
+const browserPlugins = [
+	new CopyWebpackPlugin({
+		patterns: [
+			{ from: 'src', to: '.', globOptions: { ignore: ['**/test/**', '**/*.ts'] }, noErrorOnMissing: true }
+		]
+	}),
+	new DefinePlugin({
+		'process.env': JSON.stringify({}),
+		'process.env.BROWSER_ENV': JSON.stringify('true')
+	})
+];
+
 
 
 
 module.exports = withNodeDefaults;
 module.exports.node = withNodeDefaults;
 module.exports.browser = withBrowserDefaults;
-module.exports.getNodePlugins = getDefaultNodePlugins;
-module.exports.getBrowserPlugins = getDefaultBrowserPlugins;
+module.exports.nodePlugins = nodePlugins;
+module.exports.browserPlugins = browserPlugins;
 
diff --git a/extensions/typescript-language-features/extension-browser.webpack.config.js b/extensions/typescript-language-features/extension-browser.webpack.config.js
index a96e3fc8736..e7ad156bf94 100644
--- a/extensions/typescript-language-features/extension-browser.webpack.config.js
+++ b/extensions/typescript-language-features/extension-browser.webpack.config.js
@@ -9,9 +9,9 @@
 const CopyPlugin = require('copy-webpack-plugin');
 const Terser = require('terser');
 
-const defaultConnfig = require('../shared.webpack.config');
-const withBrowserDefaults = defaultConnfig.browser;
-const getBrowserPlugins = defaultConnfig.getBrowserPlugins;
+const defaultConfig = require('../shared.webpack.config');
+const withBrowserDefaults = defaultConfig.browser;
+const browserPlugins = defaultConfig.browserPlugins;
 
 const languages = [
 	'zh-tw',
@@ -34,13 +34,8 @@ module.exports = withBrowserDefaults({
 	entry: {
 		extension: './src/extension.browser.ts',
 	},
-	resolve: {
-		fallback: {
-			os: false
-		}
-	},
 	plugins: [
-		...getBrowserPlugins(), // add plugins, don't replace inherited
+		...browserPlugins, // add plugins, don't replace inherited
 
 		// @ts-ignore
 		new CopyPlugin({