diff --git a/packages/react-scripts/config/webpack.config.dev.js b/packages/react-scripts/config/webpack.config.dev.js
index adf92f5b124..f3b47964f4c 100644
--- a/packages/react-scripts/config/webpack.config.dev.js
+++ b/packages/react-scripts/config/webpack.config.dev.js
@@ -217,7 +217,6 @@ module.exports = {
           {
             loader: require.resolve('postcss-loader'),
             options: {
-              ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
               plugins: () => [
                 require('postcss-flexbugs-fixes'),
                 autoprefixer({
diff --git a/packages/react-scripts/config/webpack.config.prod.js b/packages/react-scripts/config/webpack.config.prod.js
index 5943c14502c..5f80b5d7f9d 100644
--- a/packages/react-scripts/config/webpack.config.prod.js
+++ b/packages/react-scripts/config/webpack.config.prod.js
@@ -223,7 +223,6 @@ module.exports = {
                 {
                   loader: require.resolve('postcss-loader'),
                   options: {
-                    ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
                     plugins: () => [
                       require('postcss-flexbugs-fixes'),
                       autoprefixer({