diff --git a/webpack.config.js b/webpack.config.js
deleted file mode 100644
index c696a006a94..00000000000
--- a/webpack.config.js
+++ /dev/null
@@ -1,70 +0,0 @@
-var path = require('path');
-var NodePolyfillPlugin = require('node-polyfill-webpack-plugin');
-
-module.exports = {
-    target: ['web', 'es5'],
-    entry: './lib/index.js',
-    output: {
-        path: path.resolve('./build'),
-        filename: 'plotly.js',
-        library: {
-            name: 'Plotly',
-            type: 'umd',
-            umdNamedDefine: false
-        }
-    },
-    module: {
-        rules: [{
-            test: /\.js$/,
-            exclude: /node_modules/,
-            use: {
-                loader: 'babel-loader'
-            }
-        }, {
-            test: /\.js$/,
-            include: /node_modules[\\\/](buffer|d3-color|d3-interpolate|is-mobile)[\\\/]/,
-            use: {
-                loader: 'babel-loader',
-                options: {
-                    babelrc: false,
-                    configFile: false,
-                    presets: [
-                        '@babel/preset-env'
-                    ]
-                }
-            },
-        }, {
-            test: /\.glsl$/,
-            include: /node_modules/,
-            use: {
-                loader: 'raw-loader'
-            }
-        }, {
-            test: /\.(js|glsl)$/,
-            use: [
-                'ify-loader'
-            ]
-        }, {
-            test: /\.css$/,
-            use: [
-                'style-loader',
-                'css-loader'
-            ]
-        }]
-    },
-    resolve: {
-        fallback: {
-            stream: require.resolve('stream-browserify')
-        }
-    },
-    plugins: [
-        new NodePolyfillPlugin({ additionalAliases: ['process'] })
-    ],
-    watchOptions: {
-        ignored: [
-            '**/node_modules',
-            '**/stackgl_modules'
-        ],
-        poll: 1000, // Check for changes every second
-    }
-};