diff --git a/lib/builder/webpack/client.config.js b/lib/builder/webpack/client.config.js
index 87e40abe28..3a6c1663bf 100644
--- a/lib/builder/webpack/client.config.js
+++ b/lib/builder/webpack/client.config.js
@@ -79,9 +79,6 @@ module.exports = function webpackClientConfig() {
   config.plugins.push(
     new webpack.DefinePlugin(
       Object.assign(env, {
-        'process.env.NODE_ENV': JSON.stringify(
-          this.options.env.NODE_ENV || (this.options.dev ? 'development' : 'production')
-        ),
         'process.env.VUE_ENV': JSON.stringify('client'),
         'process.mode': JSON.stringify(this.options.mode),
         'process.browser': true,
diff --git a/lib/builder/webpack/server.config.js b/lib/builder/webpack/server.config.js
index e92939f81f..064423742c 100644
--- a/lib/builder/webpack/server.config.js
+++ b/lib/builder/webpack/server.config.js
@@ -46,9 +46,6 @@ module.exports = function webpackServerConfig() {
       }),
       new webpack.DefinePlugin(
         Object.assign(env, {
-          'process.env.NODE_ENV': JSON.stringify(
-            this.options.env.NODE_ENV || (this.options.dev ? 'development' : 'production')
-          ),
           'process.env.VUE_ENV': JSON.stringify('server'),
           'process.mode': JSON.stringify(this.options.mode),
           'process.browser': false,