diff --git a/extensions/css-language-features/extension.webpack.config.js b/extensions/css-language-features/extension.webpack.config.js
index 3c1d55ef6a0..014213183cb 100644
--- a/extensions/css-language-features/extension.webpack.config.js
+++ b/extensions/css-language-features/extension.webpack.config.js
@@ -16,10 +16,6 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/cssMain.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	output: {
 		filename: 'cssMain.js',
 		path: path.join(__dirname, 'client', 'dist'),
diff --git a/extensions/css-language-features/server/extension.webpack.config.js b/extensions/css-language-features/server/extension.webpack.config.js
index a8a2ac436a8..2a8aeff057d 100644
--- a/extensions/css-language-features/server/extension.webpack.config.js
+++ b/extensions/css-language-features/server/extension.webpack.config.js
@@ -16,10 +16,6 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/cssServerMain.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	output: {
 		filename: 'cssServerMain.js',
 		path: path.join(__dirname, 'dist'),
diff --git a/extensions/extension-editing/extension.webpack.config.js b/extensions/extension-editing/extension.webpack.config.js
index ca76400f529..40996d0caf5 100644
--- a/extensions/extension-editing/extension.webpack.config.js
+++ b/extensions/extension-editing/extension.webpack.config.js
@@ -14,10 +14,6 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/extension.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	externals: {
 		'../../../product.json': 'commonjs ../../../product.json',
 		'typescript': 'commonjs typescript'
diff --git a/extensions/html-language-features/extension.webpack.config.js b/extensions/html-language-features/extension.webpack.config.js
index 4f9af795401..59f9aa519df 100644
--- a/extensions/html-language-features/extension.webpack.config.js
+++ b/extensions/html-language-features/extension.webpack.config.js
@@ -16,10 +16,6 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/htmlMain.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	output: {
 		filename: 'htmlMain.js',
 		path: path.join(__dirname, 'client', 'dist'),
diff --git a/extensions/html-language-features/server/extension.webpack.config.js b/extensions/html-language-features/server/extension.webpack.config.js
index dd751470558..7d828df86a5 100644
--- a/extensions/html-language-features/server/extension.webpack.config.js
+++ b/extensions/html-language-features/server/extension.webpack.config.js
@@ -16,10 +16,6 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/htmlServerMain.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	output: {
 		filename: 'htmlServerMain.js',
 		path: path.join(__dirname, 'dist'),
diff --git a/extensions/json-language-features/extension.webpack.config.js b/extensions/json-language-features/extension.webpack.config.js
index eb71544d875..0885d961c9f 100644
--- a/extensions/json-language-features/extension.webpack.config.js
+++ b/extensions/json-language-features/extension.webpack.config.js
@@ -16,10 +16,6 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/jsonMain.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	output: {
 		filename: 'jsonMain.js',
 		path: path.join(__dirname, 'client', 'dist'),
diff --git a/extensions/json-language-features/server/extension.webpack.config.js b/extensions/json-language-features/server/extension.webpack.config.js
index 0cfda26d240..6f97a3d8129 100644
--- a/extensions/json-language-features/server/extension.webpack.config.js
+++ b/extensions/json-language-features/server/extension.webpack.config.js
@@ -16,10 +16,6 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/jsonServerMain.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	output: {
 		filename: 'jsonServerMain.js',
 		path: path.join(__dirname, 'dist'),
diff --git a/extensions/npm/extension.webpack.config.js b/extensions/npm/extension.webpack.config.js
index 2f21691b0ab..6ff5867b0c1 100644
--- a/extensions/npm/extension.webpack.config.js
+++ b/extensions/npm/extension.webpack.config.js
@@ -14,11 +14,7 @@ module.exports = withDefaults({
 	entry: {
 		extension: './src/main.ts',
 	},
-	resolve: {
-		mainFields: ['module', 'main'],
-		extensions: ['.ts', '.js'] // support ts-files and js-files
-	},
 	externals: {
 		'vscode-nls': 'commonjs vscode-nls',
 	},
-});
\ No newline at end of file
+});
diff --git a/extensions/shared.webpack.config.js b/extensions/shared.webpack.config.js
index 7f5bbae55b1..9ed1498f50f 100644
--- a/extensions/shared.webpack.config.js
+++ b/extensions/shared.webpack.config.js
@@ -23,7 +23,7 @@ module.exports = function withDefaults(/**@type WebpackConfig*/extConfig) {
 			__dirname: false // leave the __dirname-behaviour intact
 		},
 		resolve: {
-			mainFields: ['main'], // prefer the main-entry of package.json files
+			mainFields: ['module', 'main'],
 			extensions: ['.ts', '.js'] // support ts-files and js-files
 		},
 		module: {