diff --git a/symfony/src/Utils/ConstraintViolationUtils.php b/symfony/src/Utils/ConstraintViolationUtils.php
index 420b197..22274ec 100644
--- a/symfony/src/Utils/ConstraintViolationUtils.php
+++ b/symfony/src/Utils/ConstraintViolationUtils.php
@@ -5,7 +5,7 @@
 use Symfony\Component\Validator\ConstraintViolation;
 use Symfony\Component\Validator\ConstraintViolationList;
 
-class ConstraintViolationUtils
+final class ConstraintViolationUtils
 {
     /**
      * Create violation list.
diff --git a/symfony/src/Validator/Constraints/LocationMinimalProperties.php b/symfony/src/Validator/Constraints/LocationMinimalProperties.php
deleted file mode 100644
index 2b9f722..0000000
--- a/symfony/src/Validator/Constraints/LocationMinimalProperties.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-
-namespace App\Validator\Constraints;
-
-use Symfony\Component\Validator\Constraint;
-
-/**
- * @Annotation
- */
-class LocationMinimalProperties extends Constraint
-{
-    public string $message = 'The location must have the minimal properties required (lat, lon)';
-}
diff --git a/symfony/src/Validator/Constraints/LocationMinimalPropertiesValidator.php b/symfony/src/Validator/Constraints/LocationMinimalPropertiesValidator.php
deleted file mode 100644
index a60cd77..0000000
--- a/symfony/src/Validator/Constraints/LocationMinimalPropertiesValidator.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace App\Validator\Constraints;
-
-use Symfony\Component\Validator\Constraint;
-use Symfony\Component\Validator\Constraints\NotNull;
-use Symfony\Component\Validator\ConstraintValidator;
-use Symfony\Component\Validator\Exception\UnexpectedTypeException;
-
-/**
- * @Annotation
- */
-final class LocationMinimalPropertiesValidator extends ConstraintValidator
-{
-    public function validate($value, Constraint $constraint): void
-    {
-        if (!$constraint instanceof NotNull) {
-            throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\NotNull');
-        }
-
-        if (empty($value) || !isset($value['lat']) || !isset($value['lon'])) {
-            $this->context->buildViolation($constraint->message)->addViolation();
-        }
-    }
-}