diff --git a/packages/angular-cli/models/webpack-build-common.ts b/packages/angular-cli/models/webpack-build-common.ts
index 0258c121d3ba..1a94f030eef3 100644
--- a/packages/angular-cli/models/webpack-build-common.ts
+++ b/packages/angular-cli/models/webpack-build-common.ts
@@ -137,6 +137,8 @@ export function getWebpackCommonConfig(
       fs: 'empty',
       global: true,
       crypto: 'empty',
+      tls: 'empty',
+      net: 'empty',
       module: false,
       clearImmediate: false,
       setImmediate: false