diff --git a/.styleci.yml b/.styleci.yml
index 93d5452..9aab660 100644
--- a/.styleci.yml
+++ b/.styleci.yml
@@ -1,9 +1,9 @@
 preset: symfony
 
+risky: true
+
 enabled:
   - combine_consecutive_unsets
-  - short_array_syntax
-  - newline_after_open_tag
   - no_php4_constructor
   - no_useless_else
   - ordered_use
diff --git a/src/DataCollector/AbstractPHPCRDataCollector.php b/src/DataCollector/AbstractPHPCRDataCollector.php
index 2e4b2bb..d1e553c 100644
--- a/src/DataCollector/AbstractPHPCRDataCollector.php
+++ b/src/DataCollector/AbstractPHPCRDataCollector.php
@@ -50,8 +50,7 @@ abstract class AbstractPHPCRDataCollector extends DataCollector
     /**
      * Adds the stack logger for a connection.
      *
-     * @param string     $name
-     * @param DebugStack $logger
+     * @param string $name
      */
     public function addLogger($name, DebugStack $logger)
     {
@@ -129,7 +128,7 @@ abstract class AbstractPHPCRDataCollector extends DataCollector
      */
     private function sanitizeParam($var): array
     {
-        if (is_object($var)) {
+        if (\is_object($var)) {
             if ($var instanceof QueryInterface) {
                 $query = [
                     'querystring' => $var->getStatement(),
@@ -143,10 +142,10 @@ abstract class AbstractPHPCRDataCollector extends DataCollector
                 return $query;
             }
 
-            return [sprintf('Object(%s)', get_class($var)), false];
+            return [sprintf('Object(%s)', \get_class($var)), false];
         }
 
-        if (is_array($var)) {
+        if (\is_array($var)) {
             $a = [];
             $original = true;
             foreach ($var as $k => $v) {
@@ -158,7 +157,7 @@ abstract class AbstractPHPCRDataCollector extends DataCollector
             return [$a, $original];
         }
 
-        if (is_resource($var)) {
+        if (\is_resource($var)) {
             return [sprintf('Resource(%s)', get_resource_type($var)), false];
         }
 
diff --git a/src/Form/ChoiceList/PhpcrOdmQueryBuilderLoader.php b/src/Form/ChoiceList/PhpcrOdmQueryBuilderLoader.php
index 5931c5f..e7e1ab7 100644
--- a/src/Form/ChoiceList/PhpcrOdmQueryBuilderLoader.php
+++ b/src/Form/ChoiceList/PhpcrOdmQueryBuilderLoader.php
@@ -80,7 +80,7 @@ class PhpcrOdmQueryBuilderLoader implements EntityLoaderInterface
             return !empty($v);
         }));
 
-        if (0 === count($values)) {
+        if (0 === \count($values)) {
             return [];
         }
 
@@ -102,8 +102,6 @@ class PhpcrOdmQueryBuilderLoader implements EntityLoaderInterface
     /**
      * Run the query and return a consecutive array.
      *
-     * @param QueryBuilder $qb
-     *
      * @return array list of result documents
      */
     private function getResult(QueryBuilder $qb): array
diff --git a/src/Form/PhpcrOdmTypeGuesser.php b/src/Form/PhpcrOdmTypeGuesser.php
index a40be97..ffb9f84 100644
--- a/src/Form/PhpcrOdmTypeGuesser.php
+++ b/src/Form/PhpcrOdmTypeGuesser.php
@@ -258,7 +258,7 @@ class PhpcrOdmTypeGuesser implements FormTypeGuesserInterface
 
     private function getMetadata($class): ?array
     {
-        if (array_key_exists($class, $this->cache)) {
+        if (\array_key_exists($class, $this->cache)) {
             return $this->cache[$class];
         }
 
diff --git a/tests/Unit/EventListener/LocaleListenerTest.php b/tests/Unit/EventListener/LocaleListenerTest.php
index 4984396..b25623d 100644
--- a/tests/Unit/EventListener/LocaleListenerTest.php
+++ b/tests/Unit/EventListener/LocaleListenerTest.php
@@ -7,6 +7,7 @@ use Doctrine\ODM\PHPCR\Translation\LocaleChooser\LocaleChooser;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\Event\RequestEvent;
 
 class LocaleListenerTest extends TestCase
 {
@@ -21,11 +22,20 @@ class LocaleListenerTest extends TestCase
     private function setUpTestOnKernelRequest()
     {
         $this->chooser = $this->createMock(LocaleChooser::class);
-        $this->responseEvent = $this->createMock(GetResponseEvent::class);
+        $this->responseEvent = $this->createMock($this->getResponseEventClass());
         $this->request = $this->createMock(Request::class);
         $this->allowedLocales = ['fr', 'en', 'de'];
     }
 
+    private function getResponseEventClass(): string
+    {
+        if (class_exists(RequestEvent::class)) {
+            return RequestEvent::class;
+        }
+
+        return GetResponseEvent::class;
+    }
+
     public function testOnKernelRequestWithFallbackHardcoded()
     {
         $this->setUpTestOnKernelRequest();
diff --git a/tests/Unit/Form/Type/PHPCRReferenceTypeTest.php b/tests/Unit/Form/Type/PHPCRReferenceTypeTest.php
index 8ada7a9..22206a5 100644
--- a/tests/Unit/Form/Type/PHPCRReferenceTypeTest.php
+++ b/tests/Unit/Form/Type/PHPCRReferenceTypeTest.php
@@ -37,7 +37,7 @@ class PHPCRReferenceTypeTest extends Testcase
         $this->builder->expects($this->once())
             ->method('addModelTransformer')
             ->will($this->returnCallback(function ($transformer) use (&$type) {
-                $type = get_class($transformer);
+                $type = \get_class($transformer);
 
                 return;
             }));
diff --git a/tests/Unit/Initializer/InitializerManagerTest.php b/tests/Unit/Initializer/InitializerManagerTest.php
index a70f6e6..dd28469 100644
--- a/tests/Unit/Initializer/InitializerManagerTest.php
+++ b/tests/Unit/Initializer/InitializerManagerTest.php
@@ -107,7 +107,7 @@ class InitializerManagerTest extends TestCase
 
         $this->initializerManager->initialize();
 
-        $this->assertCount(count($initializers), $log);
+        $this->assertCount(\count($initializers), $log);
 
         // check expected order against the log
         foreach ($expectedOrder as $i => $initializerVar) {