Uninstalled package but get ServiceProvider Error on optimize

I removed the package superbalist/laravel-google-cloud-storagefrom from my application using

 composer remove superbalist/laravel-google-cloud-storage

as I want to replace it with the Spatie package (Laravel 9 support). Currently my application is Laravel 8 but want to upgrade to Laravel 9.

I also ran composer update and composer dump-autoload.

After removing this package, I run php artisan optimize and it works fine. However I use different env variables for production and when I run php artisan optimize --env=production It gives the following error:

   Error 

  Class "Superbalist\LaravelGoogleCloudStorage\GoogleCloudStorageServiceProvider" not found

  at C:\GCPProjects\glybrary-laravel\vendor\laravel\framework\src\Illuminate\Foundation\Application.php:745
    741▕      * @return \Illuminate\Support\ServiceProvider
    742▕      */
    743▕     public function resolveProvider($provider)
    744▕     {
  ➜ 745▕         return new $provider($this);
    746▕     }
    747▕
    748▕     /**
    749▕      * Mark the given provider as registered.

Here is the log

[2022-06-23 20:43:50] laravel.ERROR: Class "Superbalist\LaravelGoogleCloudStorage\GoogleCloudStorageServiceProvider" not found {"exception":"[object] (Error(code: 0): Class \"Superbalist\LaravelGoogleCloudStorage\GoogleCloudStorageServiceProvider\" not found at C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\Application.php:745)
[stacktrace]
#0 C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(679): Illuminate\Foundation\Application->resolveProvider('Superbalist\\Lar...')
#1 C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\ProviderRepository.php(75): Illuminate\Foundation\Application->register('Superbalist\\Lar...')
#2 C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(659): Illuminate\Foundation\ProviderRepository->load(Array)
#3 C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\RegisterProviders.php(17): Illuminate\Foundation\Application->registerConfiguredProviders()
#4 C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(237): Illuminate\Foundation\Bootstrap\RegisterProviders->bootstrap(Object(Illuminate\Foundation\Application))
#5 C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(310): Illuminate\Foundation\Application->bootstrapWith(Array)
#6 C:\projects\example\\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(127): Illuminate\Foundation\Console\Kernel->bootstrap()
#7 C:\projects\example\\artisan(37): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 {main}
"} 

What I have tried so far:

1. Cleared the bootstrap\cache directory
2. Removed the provider from the config\app.php
3. Removed the entire vendor directory and run composer update
4. Tried running composer clear-cache
5. Tried php artisan cache:clear and php artisan config:clear

Also weirdly this error comes only when using the production .env file.