diff --git a/Session/Session.php b/Session/Session.php
index 6c1d3a23b..4e17e7efc 100644
--- a/Session/Session.php
+++ b/Session/Session.php
@@ -43,7 +43,7 @@ class Session implements SessionInterface, \IteratorAggregate, \Countable
     public function __construct(SessionStorageInterface $storage = null, AttributeBagInterface $attributes = null, FlashBagInterface $flashes = null, callable $usageReporter = null)
     {
         $this->storage = $storage ?? new NativeSessionStorage();
-        $this->usageReporter = $usageReporter instanceof \Closure || !\is_callable($usageReporter) ? $usageReporter : \Closure::fromCallable($usageReporter);
+        $this->usageReporter = null === $usageReporter ? null : $usageReporter(...);
 
         $attributes ??= new AttributeBag();
         $this->attributeName = $attributes->getName();
diff --git a/Session/SessionBagProxy.php b/Session/SessionBagProxy.php
index a5bdc92c9..76dfed724 100644
--- a/Session/SessionBagProxy.php
+++ b/Session/SessionBagProxy.php
@@ -28,7 +28,7 @@ public function __construct(SessionBagInterface $bag, array &$data, ?int &$usage
         $this->bag = $bag;
         $this->data = &$data;
         $this->usageIndex = &$usageIndex;
-        $this->usageReporter = $usageReporter instanceof \Closure || !\is_callable($usageReporter) ? $usageReporter : \Closure::fromCallable($usageReporter);
+        $this->usageReporter = null === $usageReporter ? null : $usageReporter(...);
     }
 
     public function getBag(): SessionBagInterface
diff --git a/Session/SessionFactory.php b/Session/SessionFactory.php
index 098bc1ce0..cdb6af51e 100644
--- a/Session/SessionFactory.php
+++ b/Session/SessionFactory.php
@@ -30,7 +30,7 @@ public function __construct(RequestStack $requestStack, SessionStorageFactoryInt
     {
         $this->requestStack = $requestStack;
         $this->storageFactory = $storageFactory;
-        $this->usageReporter = $usageReporter instanceof \Closure || !\is_callable($usageReporter) ? $usageReporter : \Closure::fromCallable($usageReporter);
+        $this->usageReporter = null === $usageReporter ? null : $usageReporter(...);
     }
 
     public function createSession(): SessionInterface
diff --git a/Tests/BinaryFileResponseTest.php b/Tests/BinaryFileResponseTest.php
index 45d5afad8..a9999c988 100644
--- a/Tests/BinaryFileResponseTest.php
+++ b/Tests/BinaryFileResponseTest.php
@@ -310,7 +310,6 @@ public function testXAccelMapping($realpath, $mapping, $virtual)
         $response = new BinaryFileResponse($file, 200, ['Content-Type' => 'application/octet-stream']);
         $reflection = new \ReflectionObject($response);
         $property = $reflection->getProperty('file');
-        $property->setAccessible(true);
         $property->setValue($response, $file);
 
         $response->prepare($request);
diff --git a/Tests/RequestTest.php b/Tests/RequestTest.php
index 6151377ac..32e19ee52 100644
--- a/Tests/RequestTest.php
+++ b/Tests/RequestTest.php
@@ -1838,7 +1838,6 @@ public function testUrlencodedStringPrefix($string, $prefix, $expect)
         $request = new Request();
 
         $me = new \ReflectionMethod($request, 'getUrlencodedPrefix');
-        $me->setAccessible(true);
 
         $this->assertSame($expect, $me->invoke($request, $string, $prefix));
     }
@@ -1861,7 +1860,6 @@ private function disableHttpMethodParameterOverride()
     {
         $class = new \ReflectionClass(Request::class);
         $property = $class->getProperty('httpMethodParameterOverride');
-        $property->setAccessible(true);
         $property->setValue(false);
     }
 
diff --git a/Tests/ResponseTest.php b/Tests/ResponseTest.php
index dc4a395c1..8822dd261 100644
--- a/Tests/ResponseTest.php
+++ b/Tests/ResponseTest.php
@@ -832,7 +832,6 @@ public function testSetStatusCode($code, $text, $expectedText)
         $response->setStatusCode($code, $text);
 
         $statusText = new \ReflectionProperty($response, 'statusText');
-        $statusText->setAccessible(true);
 
         $this->assertEquals($expectedText, $statusText->getValue($response));
     }
diff --git a/Tests/Session/Storage/Handler/MemcachedSessionHandlerTest.php b/Tests/Session/Storage/Handler/MemcachedSessionHandlerTest.php
index d404b74c6..d535989e6 100644
--- a/Tests/Session/Storage/Handler/MemcachedSessionHandlerTest.php
+++ b/Tests/Session/Storage/Handler/MemcachedSessionHandlerTest.php
@@ -142,7 +142,6 @@ public function getOptionFixtures()
     public function testGetConnection()
     {
         $method = new \ReflectionMethod($this->storage, 'getMemcached');
-        $method->setAccessible(true);
 
         $this->assertInstanceOf(\Memcached::class, $method->invoke($this->storage));
     }
diff --git a/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php b/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php
index a96fcc42a..2aa3e4007 100644
--- a/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php
+++ b/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php
@@ -198,7 +198,6 @@ public function testGc()
     public function testGetConnection()
     {
         $method = new \ReflectionMethod($this->storage, 'getMongo');
-        $method->setAccessible(true);
 
         $this->assertInstanceOf(Client::class, $method->invoke($this->storage));
     }
diff --git a/Tests/Session/Storage/Handler/PdoSessionHandlerTest.php b/Tests/Session/Storage/Handler/PdoSessionHandlerTest.php
index d067bf862..f9b42c7cc 100644
--- a/Tests/Session/Storage/Handler/PdoSessionHandlerTest.php
+++ b/Tests/Session/Storage/Handler/PdoSessionHandlerTest.php
@@ -296,7 +296,6 @@ public function testGetConnection()
         $storage = new PdoSessionHandler($this->getMemorySqlitePdo());
 
         $method = new \ReflectionMethod($storage, 'getConnection');
-        $method->setAccessible(true);
 
         $this->assertInstanceOf(\PDO::class, $method->invoke($storage));
     }
@@ -306,7 +305,6 @@ public function testGetConnectionConnectsIfNeeded()
         $storage = new PdoSessionHandler('sqlite::memory:');
 
         $method = new \ReflectionMethod($storage, 'getConnection');
-        $method->setAccessible(true);
 
         $this->assertInstanceOf(\PDO::class, $method->invoke($storage));
     }
@@ -324,7 +322,6 @@ public function testUrlDsn($url, $expectedDsn, $expectedUser = null, $expectedPa
                 continue;
             }
             $property = $reflection->getProperty($property);
-            $property->setAccessible(true);
             $this->assertSame($expectedValue, $property->getValue($storage));
         }
     }
diff --git a/Tests/Session/Storage/Handler/SessionHandlerFactoryTest.php b/Tests/Session/Storage/Handler/SessionHandlerFactoryTest.php
index 8ec2be4b1..74f7ebb8d 100644
--- a/Tests/Session/Storage/Handler/SessionHandlerFactoryTest.php
+++ b/Tests/Session/Storage/Handler/SessionHandlerFactoryTest.php
@@ -67,11 +67,9 @@ public function testCreateRedisHandlerFromDsn()
         $reflection = new \ReflectionObject($handler);
 
         $prefixProperty = $reflection->getProperty('prefix');
-        $prefixProperty->setAccessible(true);
         $this->assertSame('foo', $prefixProperty->getValue($handler));
 
         $ttlProperty = $reflection->getProperty('ttl');
-        $ttlProperty->setAccessible(true);
         $this->assertSame(3600, $ttlProperty->getValue($handler));
     }
 }
diff --git a/composer.json b/composer.json
index 9f5cccc65..8df36aa4d 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=8.0.2",
+        "php": ">=8.1",
         "symfony/deprecation-contracts": "^2.1|^3",
         "symfony/polyfill-mbstring": "~1.1"
     },