diff --git a/app.config.js b/app.config.js
deleted file mode 100644
index 5ad77a11..00000000
--- a/app.config.js
+++ /dev/null
@@ -1,66 +0,0 @@
-const path = require('path')
-const { DefinePlugin } = require('webpack')
-const pkg = require(path.resolve(__dirname, './package.json'))
-
-const SRC_DIR = path.resolve(__dirname, './src')
-const configurationFiles = []
-
-configurationFiles.push(
-  require('cozy-scripts/config/webpack.bundle.default.js')
-)
-
-configurationFiles.push(
-  require('cozy-scripts/config/webpack.config.css-modules')
-)
-
-configurationFiles.push(require('./webpack/appicon.config.js'))
-
-const extraConfig = {
-  module: {
-    rules: [
-      {
-        test: /\.worker(\.entry)\.js$/,
-        issuer: { not: [/node_modules\//] }, // we want to use this rule only for the apps webworkers, but not for workers created by dependencies
-        use: [
-          {
-            loader: 'worker-loader',
-            options: {
-              name: 'public/[name].[hash].worker.js'
-            }
-          }
-        ]
-      }
-    ]
-  },
-  resolve: {
-    modules: ['node_modules', SRC_DIR],
-    alias: {
-      'react-cozy-helpers': path.resolve(SRC_DIR, './lib/react-cozy-helpers'),
-      'cozy-ui/react': 'cozy-ui/transpiled/react',
-      lib: path.resolve(SRC_DIR, './lib/'),
-      'react-pdf$': 'react-pdf/dist/esm/entry.webpack',
-      'react-redux': require.resolve('react-redux')
-    }
-  },
-  plugins: [
-    new DefinePlugin({
-      __APP_VERSION__: JSON.stringify(pkg.version),
-      __APP_SLUG__: JSON.stringify(process.env.COZY_APP_SLUG)
-    })
-  ]
-}
-configurationFiles.push(extraConfig)
-
-if (configurationFiles[0].multiple && configurationFiles[0].multiple.services) {
-  // FIXME: Will be handled correctly by next major version of cozy-scripts
-  configurationFiles[0].multiple.services.__mergeStrategy.strategy[
-    'resolve.modules'
-  ] = 'replace'
-  configurationFiles[0].multiple.services.resolve = {
-    ...configurationFiles[0].multiple.services.resolve,
-    modules: [SRC_DIR, 'node_modules']
-  }
-  // DO NOT REUSE THIS HACK CODE ABOVE
-}
-
-module.exports = configurationFiles
diff --git a/webpack/appicon.config.js b/webpack/appicon.config.js
deleted file mode 100644
index 563e28b2..00000000
--- a/webpack/appicon.config.js
+++ /dev/null
@@ -1,26 +0,0 @@
-const CopyPlugin = require('copy-webpack-plugin')
-
-module.exports = {
-  plugins: [
-    new CopyPlugin([
-      {
-        from: `src/photos/targets/vendor/assets/app-icon.svg`,
-        to: 'public/app-icon.svg'
-      },
-      {
-        from: `src/photos/targets/vendor/assets/favicon*`,
-        to: 'public/',
-        flatten: true
-      },
-      {
-        from: `src/photos/targets/vendor/assets/apple-touch-icon.png`,
-        to: 'public/apple-touch-icon.png'
-      },
-      {
-        from: `src/photos/targets/vendor/assets/safari-pinned-tab.svg`,
-        to: 'public/safari-pinned-tab.svg'
-      },
-      { from: `src/photos/targets/vendor/assets`, ignore: ['.gitkeep'] }
-    ])
-  ]
-}