diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ebdf0feb..fbc0d8b22 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,14 +15,9 @@ Please follow the recommendations outlined at [keepachangelog.com](http://keepac
 ### [Unreleased]
 Changes since the last non-beta release.
 
-#### Changed
-- Bump minimum version of peer dependencies as following [PR 1596](https://github.com/shakacode/react_on_rails/pull/1596) by [ahangarha](https://github.com/ahangarha).
-  - `js-yaml` to `4.1.0`
-  - `react` and `react-dom` to `17.0.0`
-
 #### Removed
 - Dropped Ruby 2.7 support [PR 1595](https://github.com/shakacode/react_on_rails/pull/1595) by [ahangarha](https://github.com/ahangarha).
-- Dropped support for Node 14 and 17 [PR 1596](https://github.com/shakacode/react_on_rails/pull/1596) by [ahangarha](https://github.com/ahangarha).
+- Removed deprecated `webpackConfigLoader.js` [PR 1600](https://github.com/shakacode/react_on_rails/pull/1600) by [ahangarha](https://github.com/ahangarha).
 
 ### [13.4.1]
 #### Fixed
diff --git a/docs/javascript/troubleshooting-when-using-webpacker.md b/docs/javascript/troubleshooting-when-using-webpacker.md
index 8c5026086..322c4778f 100644
--- a/docs/javascript/troubleshooting-when-using-webpacker.md
+++ b/docs/javascript/troubleshooting-when-using-webpacker.md
@@ -43,30 +43,7 @@ At the same time dev/prod environments works fine (with extra webpack calling st
 
 ### webpack.config.js
 
-```js
-...
-const ManifestPlugin = require('webpack-manifest-plugin');
-...
-const { output } = webpackConfigLoader(configPath);
-...
-  output: {
-    filename: '[name]-[hash].js',
-
-    // Leading and trailing slashes ARE necessary.
-    publicPath: output.publicPath,
-    path: output.path,
-  },
-...
-  plugins: [
-    ...
-    new ManifestPlugin({
-      publicPath: output.publicPath,
-      writeToFileEmit: true
-    }),
-   ...
-  ]
-...
-```
+See [Shakapcker Webpack Configuration](https://github.com/shakacode/shakapacker/blob/master/README.md#webpack-configuration).
 
 ### config/webpacker.yml
 
diff --git a/package.json b/package.json
index 399f139db..b2c501adb 100644
--- a/package.json
+++ b/package.json
@@ -50,13 +50,12 @@
     "@babel/runtime-corejs3": "^7.12.5"
   },
   "peerDependencies": {
-    "js-yaml": ">= 4.1.0",
-    "react": ">= 17",
-    "react-dom": ">= 17"
+    "js-yaml": ">= 3.0.0",
+    "react": ">= 16",
+    "react-dom": ">= 16"
   },
   "files": [
-    "node_package/lib",
-    "webpackConfigLoader.js"
+    "node_package/lib"
   ],
   "scripts": {
     "test": "jest node_package/tests",
diff --git a/webpackConfigLoader.js b/webpackConfigLoader.js
deleted file mode 100644
index f48f496f7..000000000
--- a/webpackConfigLoader.js
+++ /dev/null
@@ -1,71 +0,0 @@
-/**
- * TODO: THIS SHOULD BE REMOVED
- *
- * Allow defaults for the config/webpacker.yml. Thee values in this file MUST match values
- * in https://github.com/rails/webpacker/blob/master/lib/install/config/webpacker.yml
- *
- * NOTE: for HMR reloading, env.WEBPACKER_HMR value will override any config value. This env value
- * should be set to TRUE to turn this on.
- */
-
-const { join, resolve } = require('path');
-const { env } = require('process');
-const { load } = require('js-yaml');
-const { readFileSync } = require('fs');
-
-function removeOuterSlashes(string) {
-  return string.replace(/^\/*/, '').replace(/\/*$/, '');
-}
-
-function formatPublicPath(settings) {
-  if (settings.dev_server) {
-    const { host } = settings.dev_server;
-    const { port } = settings.dev_server;
-    const path = settings.public_output_path;
-    const hostWithHttp = `http://${host}:${port}`;
-
-    let formattedHost = removeOuterSlashes(hostWithHttp);
-    if (formattedHost && !/^http/i.test(formattedHost)) {
-      formattedHost = `//${formattedHost}`;
-    }
-    const formattedPath = removeOuterSlashes(path);
-    return `${formattedHost}/${formattedPath}/`;
-  }
-
-  const publicOuterPathWithoutOutsideSlashes = removeOuterSlashes(settings.public_output_path);
-  return `//${publicOuterPathWithoutOutsideSlashes}/`;
-}
-
-/**
- * @param configPath, location where webpacker.yml will be found
- * Return values are consistent with Webpacker's js helpers
- * For example, you might define:
- *   const isHMR = settings.dev_server && settings.dev_server.hmr
- * @returns {{
-     settings,
-     resolvedModules,
-     output: { path, publicPath, publicPathWithHost }
-   }}
- */
-const configLoader = (configPath) => {
-  // Some test environments might not have the NODE_ENV set, so we'll have fallbacks.
-  const configEnv = env.NODE_ENV || env.RAILS_ENV || 'development';
-  const ymlConfigPath = join(configPath, 'webpacker.yml');
-  const settings = load(readFileSync(ymlConfigPath, 'utf8'))[configEnv];
-
-  // NOTE: Rails path is hard coded to `/public`
-  const output = {
-    // Next line differs from the webpacker definition as we use the configPath to create
-    // the relative path.
-    path: resolve(configPath, '..', 'public', settings.public_output_path),
-    publicPath: `/${settings.public_output_path}/`.replace(/([^:]\/)\/+/g, '$1'),
-    publicPathWithHost: formatPublicPath(settings),
-  };
-
-  return {
-    settings,
-    output,
-  };
-};
-
-module.exports = configLoader;