diff --git a/ApiDocGenerator.php b/ApiDocGenerator.php
index 6909d96..7aaad13 100644
--- a/ApiDocGenerator.php
+++ b/ApiDocGenerator.php
@@ -105,6 +105,7 @@ final class ApiDocGenerator
 
             $describer->describe($this->openApi);
         }
+
         $analysis = new Analysis([], $context);
         $analysis->addAnnotation($this->openApi, $context);
 
diff --git a/Model/ModelRegistry.php b/Model/ModelRegistry.php
index 40558b7..7631d0b 100644
--- a/Model/ModelRegistry.php
+++ b/Model/ModelRegistry.php
@@ -68,7 +68,7 @@ final class ModelRegistry
         }
 
         // Reserve the name
-        $s = Util::getSchema($this->api, $this->names[$hash]);
+        Util::getSchema($this->api, $this->names[$hash]);
 
         return OA\Components::SCHEMA_REF.$this->names[$hash];
     }
diff --git a/ModelDescriber/Annotations/OpenApiAnnotationsReader.php b/ModelDescriber/Annotations/OpenApiAnnotationsReader.php
index 5709b94..3325fb6 100644
--- a/ModelDescriber/Annotations/OpenApiAnnotationsReader.php
+++ b/ModelDescriber/Annotations/OpenApiAnnotationsReader.php
@@ -18,6 +18,7 @@ use Nelmio\ApiDocBundle\OpenApiPhp\Util;
 use Nelmio\ApiDocBundle\Util\SetsContextTrait;
 use OpenApi\Analysis;
 use OpenApi\Annotations as OA;
+use OpenApi\Context;
 use OpenApi\Generator;
 
 /**
@@ -38,15 +39,11 @@ class OpenApiAnnotationsReader
 
     public function updateSchema(\ReflectionClass $reflectionClass, OA\Schema $schema): void
     {
-        $this->setContext(Util::createContext([], $schema->_context));
-
         /** @var OA\Schema|null $oaSchema */
         if (!$oaSchema = $this->getAnnotation($reflectionClass, OA\Schema::class)) {
             return;
         }
 
-        $this->setContext(null);
-
         // Read @Model annotations
         $this->modelRegister->__invoke(new Analysis([$oaSchema], Util::createContext()));
 
@@ -72,12 +69,12 @@ class OpenApiAnnotationsReader
         // In order to have nicer errors
         $declaringClass = $reflection->getDeclaringClass();
 
-        $this->setContext(Util::createContext([
+        $this->setContext(new Context([
             'namespace' => $declaringClass->getNamespaceName(),
             'class' => $declaringClass->getShortName(),
             'property' => $reflection->name,
             'filename' => $declaringClass->getFileName(),
-        ], $property->_context));
+        ]));
 
         /** @var OA\Property|null $oaProperty */
         if (!$oaProperty = $this->getAnnotation($reflection, OA\Property::class)) {
diff --git a/ModelDescriber/ApplyOpenApiDiscriminatorTrait.php b/ModelDescriber/ApplyOpenApiDiscriminatorTrait.php
index 43c2b4e..3c9446d 100644
--- a/ModelDescriber/ApplyOpenApiDiscriminatorTrait.php
+++ b/ModelDescriber/ApplyOpenApiDiscriminatorTrait.php
@@ -13,7 +13,6 @@ namespace Nelmio\ApiDocBundle\ModelDescriber;
 
 use Nelmio\ApiDocBundle\Model\Model;
 use Nelmio\ApiDocBundle\Model\ModelRegistry;
-use Nelmio\ApiDocBundle\OpenApiPhp\Util;
 use OpenApi\Annotations as OA;
 use Symfony\Component\PropertyInfo\Type;
 
@@ -44,18 +43,18 @@ trait ApplyOpenApiDiscriminatorTrait
         array $typeMap
     ): void {
         $schema->oneOf = [];
-        $discriminator = Util::getChild($schema, OA\Discriminator::class);
-        $discriminator->propertyName = $discriminatorProperty;
-        $discriminator->mapping = [];
+        $schema->discriminator = new OA\Discriminator([]);
+        $schema->discriminator->propertyName = $discriminatorProperty;
+        $schema->discriminator->mapping = [];
         foreach ($typeMap as $propertyValue => $className) {
-            $oneOfSchema = Util::createChild($schema, OA\Schema::class);
+            $oneOfSchema = new OA\Schema([]);
             $oneOfSchema->ref = $modelRegistry->register(new Model(
                 new Type(Type::BUILTIN_TYPE_OBJECT, false, $className),
                 $model->getGroups(),
                 $model->getOptions()
             ));
             $schema->oneOf[] = $oneOfSchema;
-            $discriminator->mapping[$propertyValue] = $oneOfSchema->ref;
+            $schema->discriminator->mapping[$propertyValue] = $oneOfSchema->ref;
         }
     }
 }
diff --git a/ModelDescriber/FormModelDescriber.php b/ModelDescriber/FormModelDescriber.php
index 82bef1a..03355dc 100644
--- a/ModelDescriber/FormModelDescriber.php
+++ b/ModelDescriber/FormModelDescriber.php
@@ -150,7 +150,7 @@ final class FormModelDescriber implements ModelDescriberInterface, ModelRegistry
             $ref = $this->modelRegistry->register($model);
             // We need to use allOf for description and title to be displayed
             if ($config->hasOption('documentation') && !empty($config->getOption('documentation'))) {
-                $property->allOf = [Util::createChild($property, OA\Schema::class, ['ref' => $ref])];
+                $property->allOf = [new OA\Schema(['ref' => $ref])];
             } else {
                 $property->ref = $ref;
             }
diff --git a/ModelDescriber/JMSModelDescriber.php b/ModelDescriber/JMSModelDescriber.php
index 6958f24..8961a4c 100644
--- a/ModelDescriber/JMSModelDescriber.php
+++ b/ModelDescriber/JMSModelDescriber.php
@@ -292,7 +292,7 @@ class JMSModelDescriber implements ModelDescriberInterface, ModelRegistryAwareIn
             if (empty($customFields)) { // no custom fields
                 $property->ref = $modelRef;
             } else {
-                $property->allOf = [Util::createChild($property, OA\Schema::class, ['ref' => $modelRef])];
+                $property->allOf = [new OA\Schema(['ref' => $modelRef])];
             }
 
             $this->contexts[$model->getHash()] = $context;
diff --git a/OpenApiPhp/ModelRegister.php b/OpenApiPhp/ModelRegister.php
index 70ea59b..a307c51 100644
--- a/OpenApiPhp/ModelRegister.php
+++ b/OpenApiPhp/ModelRegister.php
@@ -160,11 +160,11 @@ final class ModelRegister
     ) {
         switch ($type) {
             case 'json':
-                $modelAnnotation = Util::createChild($annotation, OA\JsonContent::class, $properties);
+                $modelAnnotation = new OA\JsonContent($properties);
 
                 break;
             case 'xml':
-                $modelAnnotation = Util::createChild($annotation, OA\XmlContent::class, $properties);
+                $modelAnnotation = new OA\XmlContent($properties);
 
                 break;
             default:
diff --git a/OpenApiPhp/Util.php b/OpenApiPhp/Util.php
index 46be54f..ea495e9 100644
--- a/OpenApiPhp/Util.php
+++ b/OpenApiPhp/Util.php
@@ -84,7 +84,7 @@ final class Util
     public static function getSchema(OA\OpenApi $api, $schema): OA\Schema
     {
         if (!$api->components instanceof OA\Components) {
-            $api->components = self::createChild($api, OA\Components::class, []);
+            $api->components = new OA\Components([]);
         }
 
         return self::getIndexedCollectionItem($api->components, OA\Schema::class, $schema);
diff --git a/PropertyDescriber/ObjectPropertyDescriber.php b/PropertyDescriber/ObjectPropertyDescriber.php
index 152b984..34361d8 100644
--- a/PropertyDescriber/ObjectPropertyDescriber.php
+++ b/PropertyDescriber/ObjectPropertyDescriber.php
@@ -14,7 +14,6 @@ namespace Nelmio\ApiDocBundle\PropertyDescriber;
 use Nelmio\ApiDocBundle\Describer\ModelRegistryAwareInterface;
 use Nelmio\ApiDocBundle\Describer\ModelRegistryAwareTrait;
 use Nelmio\ApiDocBundle\Model\Model;
-use Nelmio\ApiDocBundle\OpenApiPhp\Util;
 use OpenApi\Annotations as OA;
 use Symfony\Component\PropertyInfo\Type;
 
@@ -38,7 +37,7 @@ class ObjectPropertyDescriber implements PropertyDescriberInterface, ModelRegist
 
         if ($types[0]->isNullable()) {
             $property->nullable = true;
-            $property->allOf = [Util::createChild($property, OA\Schema::class, ['ref' => $this->modelRegistry->register(new Model($type, $groups))])];
+            $property->allOf = [new OA\Schema(['ref' => $this->modelRegistry->register(new Model($type, $groups))])];
 
             return;
         }
diff --git a/RouteDescriber/FosRestDescriber.php b/RouteDescriber/FosRestDescriber.php
index 14df1bc..c63249a 100644
--- a/RouteDescriber/FosRestDescriber.php
+++ b/RouteDescriber/FosRestDescriber.php
@@ -145,7 +145,7 @@ final class FosRestDescriber implements RouteDescriberInterface
                 throw new \InvalidArgumentException('Unsupported media type');
         }
         if (!isset($requestBody->content[$contentType])) {
-            $requestBody->content[$contentType] = Util::createChild($requestBody, OA\MediaType::class,
+            $requestBody->content[$contentType] = new OA\MediaType(
                 [
                     'mediaType' => $contentType,
                 ]
diff --git a/Tests/Functional/SwaggerPHPApiComplianceTest.php b/Tests/Functional/SwaggerPHPApiComplianceTest.php
deleted file mode 100644
index d10348b..0000000
--- a/Tests/Functional/SwaggerPHPApiComplianceTest.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-/*
- * This file is part of the NelmioApiDocBundle package.
- *
- * (c) Nelmio
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Nelmio\ApiDocBundle\Tests\Functional;
-
-use Nelmio\ApiDocBundle\OpenApiPhp\Util;
-use OpenApi\Analysis;
-
-class SwaggerPHPApiComplianceTest extends WebTestCase
-{
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        static::createClient([], ['HTTP_HOST' => 'api.example.com']);
-    }
-
-    public function testAllContextsHaveSameRoot()
-    {
-        $openApi = $this->getOpenApiDefinition();
-        $root = $openApi->_context;
-
-        $counter = 0;
-        foreach ((new Analysis([$openApi], Util::createContext()))->annotations as $annotation) {
-            $this->assertSame($annotation->_context->root(), $root);
-        }
-    }
-}