diff --git a/packages/angular-cli/models/webpack-build-common.ts b/packages/angular-cli/models/webpack-build-common.ts
index 1b6d43b70455..be4646d1b4e3 100644
--- a/packages/angular-cli/models/webpack-build-common.ts
+++ b/packages/angular-cli/models/webpack-build-common.ts
@@ -136,6 +136,8 @@ export function getWebpackCommonConfig(
       fs: 'empty',
       global: true,
       crypto: 'empty',
+      tls: 'empty',
+      net: 'empty',
       module: false,
       clearImmediate: false,
       setImmediate: false