diff --git a/webpack.config.js b/webpack.config.js
index 7cfe35089..936f416fb 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,7 +1,7 @@
 // Copyright (C) 2017-2020 Smart code 203358507
 
 const path = require('path');
-const child_process = require('child_process');
+const { execSync } = require('child_process');
 const webpack = require('webpack');
 const HtmlWebPackPlugin = require('html-webpack-plugin');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
@@ -10,7 +10,7 @@ const CopyWebpackPlugin = require('copy-webpack-plugin');
 const TerserPlugin = require('terser-webpack-plugin');
 const pachageJson = require('./package.json');
 
-const COMMIT_HASH = child_process.execSync('git rev-parse HEAD').toString().trim();
+const COMMIT_HASH = execSync('git rev-parse HEAD').toString().trim();
 
 module.exports = (env, argv) => ({
     mode: argv.mode,
@@ -85,6 +85,7 @@ module.exports = (env, argv) => ({
                                                     removeAll: true,
                                                 },
                                                 discardOverridden: false,
+                                                discardUnused: false,
                                                 mergeIdents: false,
                                                 normalizeDisplayValues: false,
                                                 normalizePositions: false,