diff --git a/README.md b/README.md
index 601cfbec..b679e557 100644
--- a/README.md
+++ b/README.md
@@ -220,15 +220,7 @@ WordPlate has archived the `wordplate/framework` package and moved everything in
 
 1. Replace your `public/wp-config.php` file [the one in this repository](public/wp-config.php). Remember to save any custom constans defined in your `wp-config.php` file.
 
-1. Add the [`src/helpers.php`](public/wp-config.php) file from this repository and autoload it in the `composer.json` file:
-
-    ```diff
-    +"autoload": {
-    +    "files": [
-    +        "src/helpers.php"
-    +    ]
-    +}
-    ```
+1. Replace any usage of the `env` function with the native [`$_ENV`](https://github.com/vlucas/phpdotenv#usage) PHP superglobal.
 
 1. Run `composer update` in the root of your project.
 
diff --git a/composer.json b/composer.json
index 281393e0..069a9931 100644
--- a/composer.json
+++ b/composer.json
@@ -1,9 +1,12 @@
 {
     "name": "vinkla/wordplate",
-    "type": "project",
     "description": "The WordPlate boilerplate",
-    "keywords": ["wordplate", "wordpress"],
     "license": "MIT",
+    "type": "project",
+    "keywords": [
+        "wordplate",
+        "wordpress"
+    ],
     "require": {
         "php": "^8.0",
         "composer/installers": "^2.1",
@@ -24,11 +27,6 @@
             ]
         }
     ],
-    "autoload": {
-        "files": [
-            "src/helpers.php"
-        ]
-    },
     "config": {
         "allow-plugins": {
             "composer/installers": true,
diff --git a/public/wp-config.php b/public/wp-config.php
index c7b23c8e..f0e012aa 100644
--- a/public/wp-config.php
+++ b/public/wp-config.php
@@ -11,23 +11,23 @@
 Dotenv::createImmutable(realpath(__DIR__ . '/../'))->safeLoad();
 
 // Set the environment type.
-define('WP_ENVIRONMENT_TYPE', env('WP_ENVIRONMENT_TYPE', 'production'));
+define('WP_ENVIRONMENT_TYPE', $_ENV['WP_ENVIRONMENT_TYPE'] ?? 'production');
 
 // For developers: WordPress debugging mode.
-$isDebugModeEnabled = env('WP_DEBUG', false);
+$isDebugModeEnabled = $_ENV['WP_DEBUG'] ?? false;
 define('WP_DEBUG', $isDebugModeEnabled);
-define('WP_DEBUG_LOG', env('WP_DEBUG_LOG', false));
-define('WP_DEBUG_DISPLAY', env('WP_DEBUG_DISPLAY', $isDebugModeEnabled));
-define('SCRIPT_DEBUG', env('SCRIPT_DEBUG', $isDebugModeEnabled));
+define('WP_DEBUG_LOG', $_ENV['WP_DEBUG_LOG'] ?? false);
+define('WP_DEBUG_DISPLAY', $_ENV['WP_DEBUG_DISPLAY'] ?? $isDebugModeEnabled);
+define('SCRIPT_DEBUG', $_ENV['SCRIPT_DEBUG'] ?? $isDebugModeEnabled);
 
 // The database configuration with database name, username, password,
 // hostname charset and database collae type.
-define('DB_NAME', env('DB_NAME'));
-define('DB_USER', env('DB_USER'));
-define('DB_PASSWORD', env('DB_PASSWORD'));
-define('DB_HOST', env('DB_HOST', '127.0.0.1'));
-define('DB_CHARSET', env('DB_CHARSET', 'utf8mb4'));
-define('DB_COLLATE', env('DB_COLLATE', 'utf8mb4_unicode_ci'));
+define('DB_NAME', $_ENV['DB_NAME']);
+define('DB_USER', $_ENV['DB_USER']);
+define('DB_PASSWORD', $_ENV['DB_PASSWORD']);
+define('DB_HOST', $_ENV['DB_HOST'] ?? '127.0.0.1');
+define('DB_CHARSET', $_ENV['DB_CHARSET'] ?? 'utf8mb4');
+define('DB_COLLATE', $_ENV['DB_COLLATE'] ?? 'utf8mb4_unicode_ci');
 
 // Detect HTTPS behind a reverse proxy or a load balancer.
 if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
@@ -35,52 +35,52 @@
 }
 
 // Set the unique authentication keys and salts.
-define('AUTH_KEY', env('AUTH_KEY'));
-define('SECURE_AUTH_KEY', env('SECURE_AUTH_KEY'));
-define('LOGGED_IN_KEY', env('LOGGED_IN_KEY'));
-define('NONCE_KEY', env('NONCE_KEY'));
-define('AUTH_SALT', env('AUTH_SALT'));
-define('SECURE_AUTH_SALT', env('SECURE_AUTH_SALT'));
-define('LOGGED_IN_SALT', env('LOGGED_IN_SALT'));
-define('NONCE_SALT', env('NONCE_SALT'));
+define('AUTH_KEY', $_ENV['AUTH_KEY']);
+define('SECURE_AUTH_KEY', $_ENV['SECURE_AUTH_KEY']);
+define('LOGGED_IN_KEY', $_ENV['LOGGED_IN_KEY']);
+define('NONCE_KEY', $_ENV['NONCE_KEY']);
+define('AUTH_SALT', $_ENV['AUTH_SALT']);
+define('SECURE_AUTH_SALT', $_ENV['SECURE_AUTH_SALT']);
+define('LOGGED_IN_SALT', $_ENV['LOGGED_IN_SALT']);
+define('NONCE_SALT', $_ENV['NONCE_SALT']);
 
 // Set the home url to the current domain.
-define('WP_HOME', env('WP_HOME', (new Request())->getSchemeAndHttpHost()));
+define('WP_HOME', $_ENV['WP_HOME'] ?? (new Request())->getSchemeAndHttpHost());
 
 // Set the WordPress directory path.
-define('WP_SITEURL', env('WP_SITEURL', sprintf('%s/%s', WP_HOME, env('WP_DIR', 'wordpress'))));
+define('WP_SITEURL', $_ENV['WP_SITEURL'] ?? sprintf('%s/%s', WP_HOME, $_ENV['WP_DIR'] ?? 'wordpress'));
 
 // Set the WordPress content directory path.
-define('WP_CONTENT_DIR', env('WP_CONTENT_DIR', realpath(__DIR__ . '/../public')));
-define('WP_CONTENT_URL', env('WP_CONTENT_URL', WP_HOME));
+define('WP_CONTENT_DIR', $_ENV['WP_CONTENT_DIR'] ?? realpath(__DIR__ . '/../public'));
+define('WP_CONTENT_URL', $_ENV['WP_CONTENT_URL'] ?? WP_HOME);
 
 // Set the trash to less days to optimize WordPress.
-define('EMPTY_TRASH_DAYS', env('EMPTY_TRASH_DAYS', 7));
+define('EMPTY_TRASH_DAYS', $_ENV['EMPTY_TRASH_DAYS'] ?? 7);
 
 // Set the default WordPress theme.
-define('WP_DEFAULT_THEME', env('WP_DEFAULT_THEME', 'wordplate'));
+define('WP_DEFAULT_THEME', $_ENV['WP_DEFAULT_THEME'] ?? 'wordplate');
 
 // Constant to configure core updates.
-define('WP_AUTO_UPDATE_CORE', env('WP_AUTO_UPDATE_CORE', 'minor'));
+define('WP_AUTO_UPDATE_CORE', $_ENV['WP_AUTO_UPDATE_CORE'] ?? 'minor');
 
 // Specify the number of post revisions.
-define('WP_POST_REVISIONS', env('WP_POST_REVISIONS', 2));
+define('WP_POST_REVISIONS', $_ENV['WP_POST_REVISIONS'] ?? 2);
 
 // Cleanup WordPress image edits.
-define('IMAGE_EDIT_OVERWRITE', env('IMAGE_EDIT_OVERWRITE', true));
+define('IMAGE_EDIT_OVERWRITE', $_ENV['IMAGE_EDIT_OVERWRITE'] ?? true);
 
 // Prevent file edititing from the dashboard.
-define('DISALLOW_FILE_EDIT', env('DISALLOW_FILE_EDIT', true));
+define('DISALLOW_FILE_EDIT', $_ENV['DISALLOW_FILE_EDIT'] ?? true);
 
 // Disable technical issues emails.
-define('WP_DISABLE_FATAL_ERROR_HANDLER', env('WP_DISABLE_FATAL_ERROR_HANDLER', false));
+define('WP_DISABLE_FATAL_ERROR_HANDLER', $_ENV['WP_DISABLE_FATAL_ERROR_HANDLER'] ?? false);
 
 // Set the absolute path to the WordPress directory.
 if (!defined('ABSPATH')) {
-    define('ABSPATH', sprintf('%s/%s/', realpath(__DIR__ . '/../public'), env('WP_DIR', 'wordpress')));
+    define('ABSPATH', sprintf('%s/%s/', realpath(__DIR__ . '/../public'), $_ENV['WP_DIR'] ?? 'wordpress'));
 }
 
 // Set the database table prefix.
-$table_prefix = env('DB_TABLE_PREFIX', 'wp_');
+$table_prefix = $_ENV['DB_TABLE_PREFIX'] ?? 'wp_';
 
 require_once ABSPATH . 'wp-settings.php';
diff --git a/src/helpers.php b/src/helpers.php
deleted file mode 100644
index a255a417..00000000
--- a/src/helpers.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-if (!function_exists('env')) {
-    function env(string $key, mixed $default = null): mixed
-    {
-        $value = $_ENV[$key] ?? false;
-
-        if ($value === false) {
-            return $default;
-        }
-
-        switch (strtolower($value)) {
-            case 'true':
-            case '(true)':
-                return true;
-            case 'false':
-            case '(false)':
-                return false;
-            case 'empty':
-            case '(empty)':
-                return '';
-            case 'null':
-            case '(null)':
-                return null;
-        }
-
-        if (preg_match('/\A([\'"])(.*)\1\z/', $value, $matches)) {
-            return $matches[2];
-        }
-
-        return $value;
-    }
-}