Delete method inside model policy not working after editing

// app\Policies\Shop\CustomerPolicy.php
class CustomerPolicy
{

    public function delete(User $user, Customer $customer): bool
    {
        if ($customer->comments_exists) {
            return false;
        }

        return true;
    }

}

// app\Filament\Resources\Shop\Customers\CustomerResource.php
class CustomerResource extends Resource
{

    // ...
    
    /** @return Builder<Customer> */
    public static function getEloquentQuery(): Builder
    {
        return parent::getEloquentQuery()->with('addresses')->withoutGlobalScope(SoftDeletingScope::class)->withExists('comments');
    }
}