diff --git a/wcfsetup/install.php b/wcfsetup/install.php
index b92950db948..cae78780667 100644
--- a/wcfsetup/install.php
+++ b/wcfsetup/install.php
@@ -1,4 +1,5 @@
 <?php // @codingStandardsIgnoreFile
+
 /**
  * This script tries to find the temp folder and unzip all setup files into.
  *
@@ -532,7 +533,6 @@ function printException($e)
 	throw new ErrorException($message, 0, $severity, $file, $line);
 }, E_ALL);
 
-/** @noinspection PhpMultipleClassesDeclarationsInOneFile */
 /**
  * A SystemException is thrown when an unexpected error occurs.
  *
@@ -573,9 +573,7 @@ public function getDescription()
 	 * Prints this exception.
 	 * This method is called by WCF::handleException().
 	 */
-	public function show()
-	{
-	}
+	public function show() {}
 }
 
 /**
@@ -633,7 +631,6 @@ function wcfDebug()
 	exit;
 }
 
-/** @noinspection PhpMultipleClassesDeclarationsInOneFile */
 /**
  * BasicFileUtil contains file-related functions.
  *
@@ -760,7 +757,6 @@ public static function makePath($path): bool
 	}
 }
 
-/** @noinspection PhpMultipleClassesDeclarationsInOneFile */
 /**
  * Opens tar or tar.gz archives.
  *
@@ -1124,7 +1120,6 @@ public function isZipped()
 	}
 }
 
-/** @noinspection PhpMultipleClassesDeclarationsInOneFile */
 /**
  * The File class handles all file operations.
  *
@@ -1185,7 +1180,6 @@ public function __call($function, $arguments)
 	}
 }
 
-/** @noinspection PhpMultipleClassesDeclarationsInOneFile */
 /**
  * The File class handles all file operations on a zipped file.
  *
@@ -1193,7 +1187,6 @@ public function __call($function, $arguments)
  */
 final class GZipFile extends File
 {
-	/** @noinspection PhpMissingParentConstructorInspection */
 	/**
 	 * Opens a gzip file.
 	 *
diff --git a/wcfsetup/install/files/lib/acp/form/UserGroupAssignmentEditForm.class.php b/wcfsetup/install/files/lib/acp/form/UserGroupAssignmentEditForm.class.php
index 952b7d452b5..d72cd9794ef 100644
--- a/wcfsetup/install/files/lib/acp/form/UserGroupAssignmentEditForm.class.php
+++ b/wcfsetup/install/files/lib/acp/form/UserGroupAssignmentEditForm.class.php
@@ -70,7 +70,6 @@ public function readData()
 
             $conditions = $this->assignment->getConditions();
             foreach ($conditions as $condition) {
-                /** @noinspection PhpUndefinedMethodInspection */
                 $this->conditions[$condition->getObjectType()->conditiongroup][$condition->objectTypeID]->getProcessor()->setData($condition);
             }
         }
diff --git a/wcfsetup/install/files/lib/action/AJAXInvokeAction.class.php b/wcfsetup/install/files/lib/action/AJAXInvokeAction.class.php
index ea065c757c4..2496b3d7970 100644
--- a/wcfsetup/install/files/lib/action/AJAXInvokeAction.class.php
+++ b/wcfsetup/install/files/lib/action/AJAXInvokeAction.class.php
@@ -144,7 +144,6 @@ protected function invoke()
 
         // validate accessibility
         $className = $this->className;
-        /** @noinspection PhpUndefinedFieldInspection */
         if (!\property_exists($className, 'allowInvoke') || !\in_array($this->actionName, $className::$allowInvoke)) {
             throw new PermissionDeniedException();
         }
diff --git a/wcfsetup/install/files/lib/action/AJAXProxyAction.class.php b/wcfsetup/install/files/lib/action/AJAXProxyAction.class.php
index 09b62597dec..b4cd65b139e 100644
--- a/wcfsetup/install/files/lib/action/AJAXProxyAction.class.php
+++ b/wcfsetup/install/files/lib/action/AJAXProxyAction.class.php
@@ -99,7 +99,6 @@ protected function sendResponse()
     {
         // add benchmark and debug data
         if (ENABLE_BENCHMARK) {
-            /** @noinspection PhpUndefinedMethodInspection */
             $this->response['benchmark'] = [
                 'executionTime' => WCF::getBenchmark()->getExecutionTime() . 's',
                 'memoryUsage' => WCF::getBenchmark()->getMemoryUsage(),
@@ -109,7 +108,6 @@ protected function sendResponse()
             ];
 
             if (ENABLE_DEBUG_MODE) {
-                /** @noinspection PhpUndefinedMethodInspection */
                 $this->response['benchmark']['items'] = WCF::getBenchmark()->getItems();
             }
         }
diff --git a/wcfsetup/install/files/lib/action/PaypalCallbackAction.class.php b/wcfsetup/install/files/lib/action/PaypalCallbackAction.class.php
index 7adf6d39dde..0e5b470d551 100644
--- a/wcfsetup/install/files/lib/action/PaypalCallbackAction.class.php
+++ b/wcfsetup/install/files/lib/action/PaypalCallbackAction.class.php
@@ -31,7 +31,6 @@ public function execute(): ResponseInterface
         $processor = null;
         try {
             // post back to paypal to validate
-            /** @noinspection PhpUnusedLocalVariableInspection */
             $content = '';
             try {
                 $url = 'https://www.paypal.com/cgi-bin/webscr';
diff --git a/wcfsetup/install/files/lib/data/AbstractDatabaseObjectAction.class.php b/wcfsetup/install/files/lib/data/AbstractDatabaseObjectAction.class.php
index 723550d8e51..f87c2125565 100644
--- a/wcfsetup/install/files/lib/data/AbstractDatabaseObjectAction.class.php
+++ b/wcfsetup/install/files/lib/data/AbstractDatabaseObjectAction.class.php
@@ -141,7 +141,6 @@ public function __construct(array $objects, $action, array $parameters = [])
                     throw new SystemException('invalid value of parameter objects given');
                 }
 
-                /** @noinspection PhpVariableVariableInspection */
                 $this->objectIDs[] = $object->{$indexName};
             } else {
                 $this->objectIDs[] = $object;
diff --git a/wcfsetup/install/files/lib/data/DatabaseObject.class.php b/wcfsetup/install/files/lib/data/DatabaseObject.class.php
index 5bc2f040989..e8615ea41e4 100644
--- a/wcfsetup/install/files/lib/data/DatabaseObject.class.php
+++ b/wcfsetup/install/files/lib/data/DatabaseObject.class.php
@@ -229,7 +229,6 @@ public static function sort(&$objects, $sortBy, $sortOrder = 'ASC', $maintainInd
     {
         $sortArray = $objects2 = [];
         foreach ($objects as $idx => $obj) {
-            /** @noinspection PhpVariableVariableInspection */
             $sortArray[$idx] = $obj->{$sortBy};
 
             // array_multisort will drop index association if key is not a string
diff --git a/wcfsetup/install/files/lib/data/TLegacyUserPropertyAccess.class.php b/wcfsetup/install/files/lib/data/TLegacyUserPropertyAccess.class.php
index 41871540554..0ec4005d7c4 100644
--- a/wcfsetup/install/files/lib/data/TLegacyUserPropertyAccess.class.php
+++ b/wcfsetup/install/files/lib/data/TLegacyUserPropertyAccess.class.php
@@ -23,8 +23,6 @@ trait TLegacyUserPropertyAccess
      */
     public function __get($name)
     {
-        /** @noinspection PhpUndefinedClassInspection */
-        /** @noinspection PhpUndefinedMethodInspection */
         $value = parent::__get($name);
         if ($value !== null) {
             return $value;
@@ -36,7 +34,6 @@ public function __get($name)
 
         // in case any code should rely on directly accessing user properties,
         // refer them to the user profile object
-        /** @noinspection PhpVariableVariableInspection */
         return $this->getUserProfile()->{$name};
     }
 }
diff --git a/wcfsetup/install/files/lib/data/TMultiCategoryObject.class.php b/wcfsetup/install/files/lib/data/TMultiCategoryObject.class.php
index 47937c1f4f8..ae1fdffd462 100644
--- a/wcfsetup/install/files/lib/data/TMultiCategoryObject.class.php
+++ b/wcfsetup/install/files/lib/data/TMultiCategoryObject.class.php
@@ -69,7 +69,6 @@ public function getCategories()
 
             if (!empty($this->categoryIDs)) {
                 foreach ($this->categoryIDs as $categoryID) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $this->categories[$categoryID] = $className::getCategory($categoryID);
                 }
             } else {
@@ -84,7 +83,6 @@ public function getCategories()
                 $statement = WCF::getDB()->prepare($sql);
                 $statement->execute([$this->getObjectID()]);
                 while ($categoryID = $statement->fetchColumn()) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $this->categories[$categoryID] = $className::getCategory($categoryID);
                 }
             }
diff --git a/wcfsetup/install/files/lib/data/acp/session/log/ACPSessionLog.class.php b/wcfsetup/install/files/lib/data/acp/session/log/ACPSessionLog.class.php
index 20f5fd3d76f..5aed9f21380 100644
--- a/wcfsetup/install/files/lib/data/acp/session/log/ACPSessionLog.class.php
+++ b/wcfsetup/install/files/lib/data/acp/session/log/ACPSessionLog.class.php
@@ -29,8 +29,6 @@ class ACPSessionLog extends DatabaseObject
      */
     protected static $databaseTableIndexName = 'sessionLogID';
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * @inheritDoc
      */
diff --git a/wcfsetup/install/files/lib/data/ad/Ad.class.php b/wcfsetup/install/files/lib/data/ad/Ad.class.php
index 7cf08340bee..bde22df25e1 100644
--- a/wcfsetup/install/files/lib/data/ad/Ad.class.php
+++ b/wcfsetup/install/files/lib/data/ad/Ad.class.php
@@ -47,9 +47,7 @@ public function getLocation()
         $objectType = ObjectTypeCache::getInstance()->getObjectType($this->objectTypeID);
 
         $location = WCF::getLanguage()->get('wcf.acp.ad.location.' . $objectType->objectType);
-        /** @noinspection PhpUndefinedFieldInspection */
         if ($objectType->categoryname != 'com.woltlab.wcf.global') {
-            /** @noinspection PhpUndefinedFieldInspection */
             $location = WCF::getLanguage()->get('wcf.acp.ad.location.category.' . $objectType->categoryname) . ': ' . $location;
         }
 
diff --git a/wcfsetup/install/files/lib/data/article/ArticleAction.class.php b/wcfsetup/install/files/lib/data/article/ArticleAction.class.php
index 51337b9c2e4..49053f3347b 100644
--- a/wcfsetup/install/files/lib/data/article/ArticleAction.class.php
+++ b/wcfsetup/install/files/lib/data/article/ArticleAction.class.php
@@ -104,7 +104,6 @@ public function create()
         if (!empty($this->parameters['content'])) {
             foreach ($this->parameters['content'] as $languageID => $content) {
                 if (!empty($content['htmlInputProcessor'])) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $content['content'] = $content['htmlInputProcessor']->getHtml();
                 }
 
@@ -147,7 +146,6 @@ public function create()
 
                 // save embedded objects
                 if (!empty($content['htmlInputProcessor'])) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $content['htmlInputProcessor']->setObjectID($articleContent->articleContentID);
                     if (MessageEmbeddedObjectManager::getInstance()->registerObjects($content['htmlInputProcessor'])) {
                         $articleContentEditor->update(['hasEmbeddedObjects' => 1]);
@@ -206,7 +204,6 @@ public function update()
 
                 foreach ($this->parameters['content'] as $languageID => $content) {
                     if (!empty($content['htmlInputProcessor'])) {
-                        /** @noinspection PhpUndefinedMethodInspection */
                         $content['content'] = $content['htmlInputProcessor']->getHtml();
                     }
 
@@ -282,7 +279,6 @@ public function update()
 
                     // save embedded objects
                     if (!empty($content['htmlInputProcessor'])) {
-                        /** @noinspection PhpUndefinedMethodInspection */
                         $content['htmlInputProcessor']->setObjectID($articleContent->articleContentID);
                         if ($articleContent->hasEmbeddedObjects != MessageEmbeddedObjectManager::getInstance()->registerObjects($content['htmlInputProcessor'])) {
                             $articleContentEditor->update(['hasEmbeddedObjects' => $articleContent->hasEmbeddedObjects ? 0 : 1]);
diff --git a/wcfsetup/install/files/lib/data/article/CategoryArticleList.class.php b/wcfsetup/install/files/lib/data/article/CategoryArticleList.class.php
index 83b8c23d8bb..0c7a9f05725 100644
--- a/wcfsetup/install/files/lib/data/article/CategoryArticleList.class.php
+++ b/wcfsetup/install/files/lib/data/article/CategoryArticleList.class.php
@@ -15,8 +15,6 @@
  */
 class CategoryArticleList extends AccessibleArticleList
 {
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Creates a new CategoryArticleList object.
      *
diff --git a/wcfsetup/install/files/lib/data/box/BoxAction.class.php b/wcfsetup/install/files/lib/data/box/BoxAction.class.php
index aba512757c0..7cebe65121e 100644
--- a/wcfsetup/install/files/lib/data/box/BoxAction.class.php
+++ b/wcfsetup/install/files/lib/data/box/BoxAction.class.php
@@ -74,7 +74,6 @@ public function create()
         if (!empty($this->parameters['content'])) {
             foreach ($this->parameters['content'] as $languageID => $content) {
                 if (!empty($content['htmlInputProcessor'])) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $content['content'] = $content['htmlInputProcessor']->getHtml();
                 }
 
@@ -90,7 +89,6 @@ public function create()
 
                 // save embedded objects
                 if (!empty($content['htmlInputProcessor'])) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $content['htmlInputProcessor']->setObjectID($boxContent->boxContentID);
                     if (MessageEmbeddedObjectManager::getInstance()->registerObjects($content['htmlInputProcessor'])) {
                         $boxContentEditor->update(['hasEmbeddedObjects' => 1]);
@@ -157,7 +155,6 @@ public function update()
 
                 foreach ($this->parameters['content'] as $languageID => $content) {
                     if (!empty($content['htmlInputProcessor'])) {
-                        /** @noinspection PhpUndefinedMethodInspection */
                         $content['content'] = $content['htmlInputProcessor']->getHtml();
                     }
 
@@ -195,7 +192,6 @@ public function update()
 
                     // save embedded objects
                     if (!empty($content['htmlInputProcessor'])) {
-                        /** @noinspection PhpUndefinedMethodInspection */
                         $content['htmlInputProcessor']->setObjectID($boxContent->boxContentID);
                         if ($boxContent->hasEmbeddedObjects != MessageEmbeddedObjectManager::getInstance()->registerObjects($content['htmlInputProcessor'])) {
                             $boxContentEditor->update(['hasEmbeddedObjects' => $boxContent->hasEmbeddedObjects ? 0 : 1]);
diff --git a/wcfsetup/install/files/lib/data/clipboard/item/ClipboardItemAction.class.php b/wcfsetup/install/files/lib/data/clipboard/item/ClipboardItemAction.class.php
index 33d58ab2645..624c657a9eb 100644
--- a/wcfsetup/install/files/lib/data/clipboard/item/ClipboardItemAction.class.php
+++ b/wcfsetup/install/files/lib/data/clipboard/item/ClipboardItemAction.class.php
@@ -29,8 +29,6 @@ class ClipboardItemAction extends AbstractDatabaseObjectAction
      */
     public $objectTypeID = 0;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * This is a heavily modified constructor which behaves differently from other DBOActions,
      * primarily because this class just masquerades as a regular DBOAction.
diff --git a/wcfsetup/install/files/lib/data/like/LikeAction.class.php b/wcfsetup/install/files/lib/data/like/LikeAction.class.php
index 6fae4c8495a..9b7e98c6e99 100644
--- a/wcfsetup/install/files/lib/data/like/LikeAction.class.php
+++ b/wcfsetup/install/files/lib/data/like/LikeAction.class.php
@@ -106,12 +106,10 @@ public function getLikeDetails()
         $values = [];
         if (!empty($data[Like::LIKE])) {
             $values[Like::LIKE] = new GroupedUserList(WCF::getLanguage()->get('wcf.like.details.like'));
-            /** @noinspection PhpUndefinedMethodInspection */
             $values[Like::LIKE]->addUserIDs($data[Like::LIKE]);
         }
         if (!empty($data[Like::DISLIKE])) {
             $values[Like::DISLIKE] = new GroupedUserList(WCF::getLanguage()->get('wcf.like.details.dislike'));
-            /** @noinspection PhpUndefinedMethodInspection */
             $values[Like::DISLIKE]->addUserIDs($data[Like::DISLIKE]);
         }
 
@@ -300,12 +298,10 @@ public function getGroupedUserList()
         $values = [];
         if (!empty($data[Like::LIKE])) {
             $values[Like::LIKE] = new GroupedUserList(WCF::getLanguage()->get('wcf.like.details.like'));
-            /** @noinspection PhpUndefinedMethodInspection */
             $values[Like::LIKE]->addUserIDs($data[Like::LIKE]);
         }
         if (!empty($data[Like::DISLIKE])) {
             $values[Like::DISLIKE] = new GroupedUserList(WCF::getLanguage()->get('wcf.like.details.dislike'));
-            /** @noinspection PhpUndefinedMethodInspection */
             $values[Like::DISLIKE]->addUserIDs($data[Like::DISLIKE]);
         }
 
diff --git a/wcfsetup/install/files/lib/data/media/MediaAction.class.php b/wcfsetup/install/files/lib/data/media/MediaAction.class.php
index a60f73dce03..4b1b52776a4 100644
--- a/wcfsetup/install/files/lib/data/media/MediaAction.class.php
+++ b/wcfsetup/install/files/lib/data/media/MediaAction.class.php
@@ -50,7 +50,6 @@ public function validateUpload()
         $this->readBoolean('imagesOnly', true);
         $this->readInteger('categoryID', true);
 
-        /** @noinspection PhpUndefinedMethodInspection */
         $this->parameters['__files']->validateFiles(new MediaUploadFileValidationStrategy($this->parameters['imagesOnly']));
 
         if ($this->parameters['categoryID']) {
@@ -77,7 +76,6 @@ public function upload()
             'rotateImages' => true,
         ], $additionalData);
 
-        /** @noinspection PhpUndefinedMethodInspection */
         $this->parameters['__files']->saveFiles($saveStrategy);
 
         /** @var Media[] $mediaFiles */
@@ -106,7 +104,6 @@ public function upload()
         }
 
         /** @var UploadFile[] $files */
-        /** @noinspection PhpUndefinedMethodInspection */
         $files = $this->parameters['__files']->getFiles();
         foreach ($files as $file) {
             if ($file->getValidationErrorType()) {
@@ -480,11 +477,9 @@ public function update()
                         if (isset($this->parameters[$type])) {
                             if (\is_array($this->parameters[$type])) {
                                 if (isset($this->parameters[$type][$language->languageID])) {
-                                    /** @noinspection PhpVariableVariableInspection */
                                     ${$type} = $this->parameters[$type][$language->languageID];
                                 }
                             } else {
-                                /** @noinspection PhpVariableVariableInspection */
                                 ${$type} = $this->parameters[$type];
                             }
                         }
@@ -760,7 +755,6 @@ public function validateReplaceFile()
 
         $this->getSingleObject();
 
-        /** @noinspection PhpUndefinedMethodInspection */
         $this->parameters['__files']->validateFiles(
             new MediaReplaceUploadFileValidationStrategy($this->getSingleObject()->getDecoratedObject())
         );
@@ -809,7 +803,6 @@ public function replaceFile()
             'largeThumbnailHeight' => 0,
         ]);
 
-        /** @noinspection PhpUndefinedMethodInspection */
         $this->parameters['__files']->saveFiles($saveStrategy);
 
         /** @var Media[] $mediaFiles */
@@ -838,7 +831,6 @@ public function replaceFile()
         }
 
         /** @var UploadFile[] $files */
-        /** @noinspection PhpUndefinedMethodInspection */
         $files = $this->parameters['__files']->getFiles();
         foreach ($files as $file) {
             if ($file->getValidationErrorType()) {
diff --git a/wcfsetup/install/files/lib/data/page/PageAction.class.php b/wcfsetup/install/files/lib/data/page/PageAction.class.php
index 17198906595..f81220ba1be 100644
--- a/wcfsetup/install/files/lib/data/page/PageAction.class.php
+++ b/wcfsetup/install/files/lib/data/page/PageAction.class.php
@@ -85,7 +85,6 @@ public function create()
         if (!empty($this->parameters['content'])) {
             foreach ($this->parameters['content'] as $languageID => $content) {
                 if (!empty($content['htmlInputProcessor'])) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $content['content'] = $content['htmlInputProcessor']->getHtml();
                 }
 
@@ -116,7 +115,6 @@ public function create()
 
                 // save embedded objects
                 if (!empty($content['htmlInputProcessor'])) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     $content['htmlInputProcessor']->setObjectID($pageContent->pageContentID);
                     if (MessageEmbeddedObjectManager::getInstance()->registerObjects($content['htmlInputProcessor'])) {
                         $pageContentEditor->update(['hasEmbeddedObjects' => 1]);
@@ -175,7 +173,6 @@ public function update()
 
                 foreach ($this->parameters['content'] as $languageID => $content) {
                     if (!empty($content['htmlInputProcessor'])) {
-                        /** @noinspection PhpUndefinedMethodInspection */
                         $content['content'] = $content['htmlInputProcessor']->getHtml();
                     }
 
@@ -232,7 +229,6 @@ public function update()
 
                     // save embedded objects
                     if (!empty($content['htmlInputProcessor'])) {
-                        /** @noinspection PhpUndefinedMethodInspection */
                         $content['htmlInputProcessor']->setObjectID($pageContent->pageContentID);
                         if ($pageContent->hasEmbeddedObjects != MessageEmbeddedObjectManager::getInstance()->registerObjects($content['htmlInputProcessor'])) {
                             $pageContentEditor->update(['hasEmbeddedObjects' => $pageContent->hasEmbeddedObjects ? 0 : 1]);
diff --git a/wcfsetup/install/files/lib/data/paid/subscription/user/PaidSubscriptionUserAction.class.php b/wcfsetup/install/files/lib/data/paid/subscription/user/PaidSubscriptionUserAction.class.php
index 174bdabacf3..b30f6591380 100644
--- a/wcfsetup/install/files/lib/data/paid/subscription/user/PaidSubscriptionUserAction.class.php
+++ b/wcfsetup/install/files/lib/data/paid/subscription/user/PaidSubscriptionUserAction.class.php
@@ -54,7 +54,6 @@ public function create()
                 $this->parameters['data']['endDate'] = 0;
             } else {
                 $d = DateUtil::getDateTimeByTimestamp($this->parameters['data']['startDate']);
-                /** @noinspection PhpUndefinedMethodInspection */
                 $d->add($this->parameters['subscription']->getDateInterval());
                 $this->parameters['data']['endDate'] = $d->getTimestamp();
             }
diff --git a/wcfsetup/install/files/lib/data/template/Template.class.php b/wcfsetup/install/files/lib/data/template/Template.class.php
index b44b470f9b9..20f7fd14a2b 100644
--- a/wcfsetup/install/files/lib/data/template/Template.class.php
+++ b/wcfsetup/install/files/lib/data/template/Template.class.php
@@ -30,8 +30,6 @@ class Template extends DatabaseObject
      */
     protected static $systemCriticalTemplates = ['headIncludeJavaScript', 'shared_wysiwyg', 'wysiwygToolbar'];
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * @inheritDoc
      */
diff --git a/wcfsetup/install/files/lib/data/user/activity/event/UserActivityEventAction.class.php b/wcfsetup/install/files/lib/data/user/activity/event/UserActivityEventAction.class.php
index 620bf4f423c..97504c3966a 100644
--- a/wcfsetup/install/files/lib/data/user/activity/event/UserActivityEventAction.class.php
+++ b/wcfsetup/install/files/lib/data/user/activity/event/UserActivityEventAction.class.php
@@ -151,7 +151,6 @@ public function validateSwitchContext() {}
      */
     public function switchContext()
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $userAction = new UserAction([WCF::getUser()], 'update', [
             'options' => [
                 User::getUserOptionID('recentActivitiesFilterByFollowing') => WCF::getUser()->recentActivitiesFilterByFollowing ? 0 : 1,
diff --git a/wcfsetup/install/files/lib/data/user/follow/UserFollowingList.class.php b/wcfsetup/install/files/lib/data/user/follow/UserFollowingList.class.php
index 04e5741b58c..8313ca906d7 100644
--- a/wcfsetup/install/files/lib/data/user/follow/UserFollowingList.class.php
+++ b/wcfsetup/install/files/lib/data/user/follow/UserFollowingList.class.php
@@ -16,8 +16,6 @@ class UserFollowingList extends UserFollowerList
      */
     public $useQualifiedShorthand = false;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * @inheritDoc
      */
diff --git a/wcfsetup/install/files/lib/form/UserSearchForm.class.php b/wcfsetup/install/files/lib/form/UserSearchForm.class.php
index 4116d0c8df6..705d2603696 100644
--- a/wcfsetup/install/files/lib/form/UserSearchForm.class.php
+++ b/wcfsetup/install/files/lib/form/UserSearchForm.class.php
@@ -83,7 +83,6 @@ public function readFormParameters()
      */
     protected function initOptionHandler()
     {
-        /** @noinspection PhpUndefinedMethodInspection */
         $this->optionHandler->enableSearchMode();
         $this->optionHandler->init();
     }
diff --git a/wcfsetup/install/files/lib/system/CLIWCF.class.php b/wcfsetup/install/files/lib/system/CLIWCF.class.php
index ed9d2896997..c5fdee33b4f 100644
--- a/wcfsetup/install/files/lib/system/CLIWCF.class.php
+++ b/wcfsetup/install/files/lib/system/CLIWCF.class.php
@@ -45,8 +45,6 @@ class CLIWCF extends WCF
      */
     protected static $argvParser;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Calls all init functions of the WCF class.
      */
diff --git a/wcfsetup/install/files/lib/system/WCFACP.class.php b/wcfsetup/install/files/lib/system/WCFACP.class.php
index a77ff33f294..782724d9ecd 100644
--- a/wcfsetup/install/files/lib/system/WCFACP.class.php
+++ b/wcfsetup/install/files/lib/system/WCFACP.class.php
@@ -32,8 +32,6 @@ class WCFACP extends WCF
      */
     protected static string $rescueModePageURL;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Calls all init functions of the WCF and the WCFACP class.
      */
diff --git a/wcfsetup/install/files/lib/system/WCFSetup.class.php b/wcfsetup/install/files/lib/system/WCFSetup.class.php
index 63e61e25bac..97714399a5b 100644
--- a/wcfsetup/install/files/lib/system/WCFSetup.class.php
+++ b/wcfsetup/install/files/lib/system/WCFSetup.class.php
@@ -76,8 +76,6 @@ final class WCFSetup extends WCF
      */
     protected static $developerMode = 0;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Calls all init functions of the WCFSetup class and starts the setup process.
      */
@@ -1060,7 +1058,6 @@ protected function installPackages(): ResponseInterface
 
             \rename($from, $to);
 
-            /** @noinspection PhpUndefinedVariableInspection */
             $queue = PackageInstallationQueueEditor::create([
                 'parentQueueID' => $queue->queueID,
                 'processNo' => $processNo,
diff --git a/wcfsetup/install/files/lib/system/api/sebastian/diff/src/MemoryEfficientLongestCommonSubsequenceCalculator.php b/wcfsetup/install/files/lib/system/api/sebastian/diff/src/MemoryEfficientLongestCommonSubsequenceCalculator.php
index b9846c37e78..5f4af01f21f 100644
--- a/wcfsetup/install/files/lib/system/api/sebastian/diff/src/MemoryEfficientLongestCommonSubsequenceCalculator.php
+++ b/wcfsetup/install/files/lib/system/api/sebastian/diff/src/MemoryEfficientLongestCommonSubsequenceCalculator.php
@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 /*
  * This file is part of sebastian/diff.
  *
@@ -7,6 +9,7 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+
 namespace SebastianBergmann\Diff;
 
 use function array_fill;
@@ -79,8 +82,6 @@ private function length(array $from, array $to): array
                     $current[$j + 1] = $prev[$j] + 1;
                 } else {
                     /**
-                     * @noinspection PhpConditionCanBeReplacedWithMinMaxCallInspection
-                     *
                      * We do not use max() here to avoid the function call overhead
                      */
                     if ($current[$j] > $prev[$j + 1]) {
diff --git a/wcfsetup/install/files/lib/system/box/RecentActivityListBoxController.class.php b/wcfsetup/install/files/lib/system/box/RecentActivityListBoxController.class.php
index de288cf49d2..6a046357f49 100644
--- a/wcfsetup/install/files/lib/system/box/RecentActivityListBoxController.class.php
+++ b/wcfsetup/install/files/lib/system/box/RecentActivityListBoxController.class.php
@@ -102,7 +102,6 @@ protected function getObjectList()
     public function getTemplate()
     {
         if ($this->getBox()->position == 'contentTop' || $this->getBox()->position == 'contentBottom') {
-            /** @noinspection PhpUndefinedMethodInspection */
             return WCF::getTPL()->render('wcf', 'boxRecentActivity', [
                 'boxID' => $this->getBox()->boxID,
                 'canFilterByFollowedUsers' => $this->canFilterByFollowedUsers,
@@ -167,7 +166,6 @@ protected function readObjects()
         parent::readObjects();
 
         // removes orphaned and non-accessible events
-        /** @noinspection PhpParamsInspection */
         UserActivityEventHandler::validateEvents($this->objectList);
 
         // remove unused items
diff --git a/wcfsetup/install/files/lib/system/cache/builder/CategoryACLOptionCacheBuilder.class.php b/wcfsetup/install/files/lib/system/cache/builder/CategoryACLOptionCacheBuilder.class.php
index 4908fc39c73..0188ab39f2d 100644
--- a/wcfsetup/install/files/lib/system/cache/builder/CategoryACLOptionCacheBuilder.class.php
+++ b/wcfsetup/install/files/lib/system/cache/builder/CategoryACLOptionCacheBuilder.class.php
@@ -33,7 +33,6 @@ public function rebuild(array $parameters)
                 ACLHandler::getInstance()->getObjectTypeID($aclObjectType),
                 \array_keys($categories)
             );
-            /** @noinspection PhpUndefinedMethodInspection */
             $options = $aclOptions['options']->getObjects();
 
             foreach (['group', 'user'] as $type) {
diff --git a/wcfsetup/install/files/lib/system/clipboard/ClipboardHandler.class.php b/wcfsetup/install/files/lib/system/clipboard/ClipboardHandler.class.php
index 9645e73e481..2a129af4358 100644
--- a/wcfsetup/install/files/lib/system/clipboard/ClipboardHandler.class.php
+++ b/wcfsetup/install/files/lib/system/clipboard/ClipboardHandler.class.php
@@ -251,7 +251,6 @@ protected function loadMarkedItems($objectTypeID = null)
             }
 
             if (!isset($data[$objectType->objectType])) {
-                /** @noinspection PhpUndefinedFieldInspection */
                 $listClassName = $objectType->listclassname;
                 if ($listClassName == '') {
                     throw new SystemException("Missing list class for object type '" . $objectType->objectType . "'");
@@ -281,7 +280,6 @@ protected function loadMarkedItems($objectTypeID = null)
             // validate object ids against loaded items (check for zombie object ids)
             $indexName = $objectList->getDatabaseTableIndexName();
             foreach ($this->markedItems[$objectType] as $object) {
-                /** @noinspection PhpVariableVariableInspection */
                 $index = \array_search($object->{$indexName}, $objectData['objectIDs']);
                 unset($objectData['objectIDs'][$index]);
             }
diff --git a/wcfsetup/install/files/lib/system/condition/AbstractMultiCategoryCondition.class.php b/wcfsetup/install/files/lib/system/condition/AbstractMultiCategoryCondition.class.php
index c9baf8c36e0..a4f62a1fcc6 100644
--- a/wcfsetup/install/files/lib/system/condition/AbstractMultiCategoryCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/AbstractMultiCategoryCondition.class.php
@@ -34,7 +34,6 @@ abstract class AbstractMultiCategoryCondition extends AbstractMultiSelectConditi
      */
     protected function getFieldElement()
     {
-        /** @noinspection PhpUndefinedMethodInspection */
         $categoryTree = (new $this->nodeTreeClassname($this->objectType))->getIterator();
         $categoryCount = \iterator_count($categoryTree);
 
diff --git a/wcfsetup/install/files/lib/system/condition/AbstractTimestampCondition.class.php b/wcfsetup/install/files/lib/system/condition/AbstractTimestampCondition.class.php
index f39b374a686..71ef2e8e372 100644
--- a/wcfsetup/install/files/lib/system/condition/AbstractTimestampCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/AbstractTimestampCondition.class.php
@@ -211,13 +211,11 @@ public function reset()
      */
     public function setData(Condition $condition)
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $endTime = $condition->endTime;
         if ($endTime) {
             $this->endTime = $endTime;
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $startTime = $condition->startTime;
         if ($startTime) {
             $this->startTime = $startTime;
diff --git a/wcfsetup/install/files/lib/system/condition/DaysOfWeekCondition.class.php b/wcfsetup/install/files/lib/system/condition/DaysOfWeekCondition.class.php
index 626995b38d4..59f384f51cb 100644
--- a/wcfsetup/install/files/lib/system/condition/DaysOfWeekCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/DaysOfWeekCondition.class.php
@@ -53,7 +53,6 @@ public function showContent(Condition $condition)
         $date = DateUtil::getDateTimeByTimestamp(TIME_NOW);
         $date->setTimezone(WCF::getUser()->getTimeZone());
 
-        /** @noinspection PhpUndefinedFieldInspection */
         return \in_array($date->format('w'), $condition->daysOfWeek);
     }
 }
diff --git a/wcfsetup/install/files/lib/system/condition/TimeCondition.class.php b/wcfsetup/install/files/lib/system/condition/TimeCondition.class.php
index 1bc2b34d79c..54ed66a895a 100644
--- a/wcfsetup/install/files/lib/system/condition/TimeCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/TimeCondition.class.php
@@ -148,19 +148,16 @@ public function reset()
      */
     public function setData(Condition $condition)
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $endTime = $condition->endTime;
         if ($endTime) {
             $this->endTime = $endTime;
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $startTime = $condition->startTime;
         if ($startTime) {
             $this->startTime = $startTime;
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $timezone = $condition->timezone;
         if ($timezone) {
             $this->timezone = $timezone;
@@ -217,13 +214,11 @@ public function validate()
     public function showContent(Condition $condition)
     {
         $timezone = WCF::getUser()->getTimeZone();
-        /** @noinspection PhpUndefinedFieldInspection */
         $conditionTimezone = $condition->timezone;
         if ($conditionTimezone) {
             $timezone = new \DateTimeZone($conditionTimezone);
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $startTime = $condition->startTime;
         if ($startTime) {
             $dateTime = \DateTimeImmutable::createFromFormat('H:i', $startTime, $timezone);
@@ -232,7 +227,6 @@ public function showContent(Condition $condition)
             }
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $endTime = $condition->endTime;
         if ($endTime) {
             $dateTime = \DateTimeImmutable::createFromFormat('H:i', $endTime, $timezone);
diff --git a/wcfsetup/install/files/lib/system/condition/UserGroupCondition.class.php b/wcfsetup/install/files/lib/system/condition/UserGroupCondition.class.php
index 7663157fd77..f1a771ab99c 100644
--- a/wcfsetup/install/files/lib/system/condition/UserGroupCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/UserGroupCondition.class.php
@@ -184,7 +184,6 @@ protected function getOptionElements($identifier)
 
         $returnValue = '<ul class="scrollableCheckboxList">';
         foreach ($userGroups as $userGroup) {
-            /** @noinspection PhpVariableVariableInspection */
             $returnValue .= "<li><label><input type=\"checkbox\" name=\"" . $identifier . "[]\" value=\"" . $userGroup->groupID . "\"" . (\in_array(
                 $userGroup->groupID,
                 $this->{$identifier}
diff --git a/wcfsetup/install/files/lib/system/condition/UserIntegerPropertyCondition.class.php b/wcfsetup/install/files/lib/system/condition/UserIntegerPropertyCondition.class.php
index 271cb5cbaa4..0a958392dc6 100644
--- a/wcfsetup/install/files/lib/system/condition/UserIntegerPropertyCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/UserIntegerPropertyCondition.class.php
@@ -30,7 +30,6 @@ class UserIntegerPropertyCondition extends AbstractIntegerCondition implements
     public function addObjectListCondition(DatabaseObjectList $objectList, array $conditionData): void
     {
         if (isset($conditionData['greaterThan'])) {
-            /** @noinspection PhpUndefinedFieldInspection */
             $objectList->getConditionBuilder()->add(
                 'user_table.' . $this->getDecoratedObject()->propertyname . ' > ?',
                 [$conditionData['greaterThan']]
diff --git a/wcfsetup/install/files/lib/system/condition/UserOptionsCondition.class.php b/wcfsetup/install/files/lib/system/condition/UserOptionsCondition.class.php
index f2e913b5ce7..d5f1344feb7 100644
--- a/wcfsetup/install/files/lib/system/condition/UserOptionsCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/UserOptionsCondition.class.php
@@ -70,7 +70,6 @@ public function addObjectListCondition(DatabaseObjectList $objectList, array $co
      */
     public function checkUser(Condition $condition, User $user)
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $optionValues = $condition->optionValues;
 
         $checkSuccess = true;
diff --git a/wcfsetup/install/files/lib/system/condition/UserRegistrationDateCondition.class.php b/wcfsetup/install/files/lib/system/condition/UserRegistrationDateCondition.class.php
index f905edb0f14..81b713aab70 100644
--- a/wcfsetup/install/files/lib/system/condition/UserRegistrationDateCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/UserRegistrationDateCondition.class.php
@@ -78,7 +78,6 @@ public function addObjectListCondition(DatabaseObjectList $objectList, array $co
      */
     public function checkUser(Condition $condition, User $user)
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $dateStart = $condition->registrationDateStart;
         if ($dateStart !== null) {
             $registrationDateStart = \DateTime::createFromFormat(
@@ -94,7 +93,6 @@ public function checkUser(Condition $condition, User $user)
             }
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $dateEnd = $condition->registrationDateEnd;
         if ($dateEnd !== null) {
             $registrationDateEnd = \DateTime::createFromFormat(
@@ -175,13 +173,11 @@ public function reset()
      */
     public function setData(Condition $condition)
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $registrationDateEnd = $condition->registrationDateEnd;
         if ($registrationDateEnd) {
             $this->registrationDateEnd = $registrationDateEnd;
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $registrationDateStart = $condition->registrationDateStart;
         if ($registrationDateStart) {
             $this->registrationDateStart = $registrationDateStart;
diff --git a/wcfsetup/install/files/lib/system/condition/UserRegistrationDateIntervalCondition.class.php b/wcfsetup/install/files/lib/system/condition/UserRegistrationDateIntervalCondition.class.php
index 0207a4056ed..83261926a42 100644
--- a/wcfsetup/install/files/lib/system/condition/UserRegistrationDateIntervalCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/UserRegistrationDateIntervalCondition.class.php
@@ -60,13 +60,11 @@ public function addObjectListCondition(DatabaseObjectList $objectList, array $co
      */
     public function checkUser(Condition $condition, User $user): bool
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $greaterThan = $condition->greaterThan;
         if ($greaterThan !== null && $user->registrationDate >= TIME_NOW - $greaterThan * 86400) {
             return false;
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $lessThan = $condition->lessThan;
         if ($lessThan !== null && $user->registrationDate <= TIME_NOW - $lessThan * 86400) {
             return false;
diff --git a/wcfsetup/install/files/lib/system/condition/UserStateCondition.class.php b/wcfsetup/install/files/lib/system/condition/UserStateCondition.class.php
index 9553b9ec550..1bbb57976cf 100644
--- a/wcfsetup/install/files/lib/system/condition/UserStateCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/UserStateCondition.class.php
@@ -98,13 +98,11 @@ public function addObjectListCondition(DatabaseObjectList $objectList, array $co
      */
     public function checkUser(Condition $condition, User $user)
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $userIsBanned = $condition->userIsBanned;
         if ($userIsBanned !== null && $user->banned != $userIsBanned) {
             return false;
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $userIsEnabled = $condition->userIsEnabled;
         if ($userIsEnabled !== null) {
             if ($userIsEnabled && $user->pendingActivation()) {
@@ -114,7 +112,6 @@ public function checkUser(Condition $condition, User $user)
             }
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $userIsEmailConfirmed = $condition->userIsEmailConfirmed;
         if ($userIsEmailConfirmed !== null) {
             if ($userIsEmailConfirmed && !$user->isEmailConfirmed()) {
@@ -165,7 +162,6 @@ public function getData()
      */
     protected function getCheckedAttribute($propertyName)
     {
-        /** @noinspection PhpVariableVariableInspection */
         if ($this->{$propertyName}) {
             return ' checked';
         }
diff --git a/wcfsetup/install/files/lib/system/condition/UserTrophyCondition.class.php b/wcfsetup/install/files/lib/system/condition/UserTrophyCondition.class.php
index 7b566f344fb..8d390903f54 100644
--- a/wcfsetup/install/files/lib/system/condition/UserTrophyCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/UserTrophyCondition.class.php
@@ -182,7 +182,6 @@ protected function getOptionElements($identifier)
 
         $returnValue = "";
         foreach ($trophies as $trophy) {
-            /** @noinspection PhpVariableVariableInspection */
             $returnValue .= "<label><input type=\"checkbox\" name=\"" . $identifier . "[]\" value=\"" . $trophy->trophyID . "\"" . (\in_array(
                 $trophy->trophyID,
                 $this->{$identifier}
diff --git a/wcfsetup/install/files/lib/system/condition/user/UserLastActivityTimeIntervalDaysCondition.class.php b/wcfsetup/install/files/lib/system/condition/user/UserLastActivityTimeIntervalDaysCondition.class.php
index f30938ee36a..89a21942bdb 100644
--- a/wcfsetup/install/files/lib/system/condition/user/UserLastActivityTimeIntervalDaysCondition.class.php
+++ b/wcfsetup/install/files/lib/system/condition/user/UserLastActivityTimeIntervalDaysCondition.class.php
@@ -170,13 +170,11 @@ public function reset()
      */
     public function setData(Condition $condition)
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $endDays = $condition->endDays;
         if ($endDays) {
             $this->endDays = $endDays;
         }
 
-        /** @noinspection PhpUndefinedFieldInspection */
         $startDays = $condition->startDays;
         if ($startDays) {
             $this->startDays = $startDays;
diff --git a/wcfsetup/install/files/lib/system/cronjob/BackgroundQueueCleanUpCronjob.class.php b/wcfsetup/install/files/lib/system/cronjob/BackgroundQueueCleanUpCronjob.class.php
index c7a53b3450e..e54c8fec778 100644
--- a/wcfsetup/install/files/lib/system/cronjob/BackgroundQueueCleanUpCronjob.class.php
+++ b/wcfsetup/install/files/lib/system/cronjob/BackgroundQueueCleanUpCronjob.class.php
@@ -26,7 +26,6 @@ public function execute(Cronjob $cronjob)
         parent::execute($cronjob);
 
         WCF::getDB()->beginTransaction();
-        /** @noinspection PhpUnusedLocalVariableInspection */
         $committed = false;
         /** @var AbstractUniqueBackgroundJob[] $uniqueJobs */
         $uniqueJobs = [];
diff --git a/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php b/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php
index d9f53d19845..623160739ba 100644
--- a/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php
+++ b/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php
@@ -117,7 +117,6 @@ public function getNextExec(): ?int
     private function resetFailedCronjobs(): void
     {
         WCF::getDB()->beginTransaction();
-        /** @noinspection PhpUnusedLocalVariableInspection */
         $committed = false;
         try {
             $sql = "SELECT      *
@@ -209,7 +208,6 @@ private function resetFailedCronjobs(): void
     private function loadCronjobs(): array
     {
         WCF::getDB()->beginTransaction();
-        /** @noinspection PhpUnusedLocalVariableInspection */
         $committed = false;
         try {
             $sql = "SELECT      *
diff --git a/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php b/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php
index 432a609bb85..0ac5f2cf35c 100644
--- a/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php
+++ b/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php
@@ -143,7 +143,6 @@ public function execute(Cronjob $cronjob)
 
         // load objects associated with each object type
         foreach ($objectTypes as $objectType => $objectData) {
-            /** @noinspection PhpUndefinedMethodInspection */
             $objectTypes[$objectType]['objects'] = $objectData['objectType']->getObjectsByIDs($objectData['objectIDs']);
         }
 
diff --git a/wcfsetup/install/files/lib/system/database/exception/DatabaseException.class.php b/wcfsetup/install/files/lib/system/database/exception/DatabaseException.class.php
index 4e55caf270c..3c55eaab8bd 100644
--- a/wcfsetup/install/files/lib/system/database/exception/DatabaseException.class.php
+++ b/wcfsetup/install/files/lib/system/database/exception/DatabaseException.class.php
@@ -12,8 +12,6 @@
  */
 class DatabaseException extends \wcf\system\database\DatabaseException
 {
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * @inheritDoc
      */
diff --git a/wcfsetup/install/files/lib/system/database/exception/DatabaseQueryExecutionException.class.php b/wcfsetup/install/files/lib/system/database/exception/DatabaseQueryExecutionException.class.php
index 8fe35f1d485..42b8286d551 100644
--- a/wcfsetup/install/files/lib/system/database/exception/DatabaseQueryExecutionException.class.php
+++ b/wcfsetup/install/files/lib/system/database/exception/DatabaseQueryExecutionException.class.php
@@ -36,8 +36,6 @@ class DatabaseQueryExecutionException extends DatabaseQueryException implements
      */
     protected $driverCode;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * @param string $message
      * @param ParameterValues $parameters
diff --git a/wcfsetup/install/files/lib/system/devtools/pip/DevtoolsPackageInstallationDispatcher.class.php b/wcfsetup/install/files/lib/system/devtools/pip/DevtoolsPackageInstallationDispatcher.class.php
index 3d3fc945418..f1037f8105b 100644
--- a/wcfsetup/install/files/lib/system/devtools/pip/DevtoolsPackageInstallationDispatcher.class.php
+++ b/wcfsetup/install/files/lib/system/devtools/pip/DevtoolsPackageInstallationDispatcher.class.php
@@ -95,7 +95,6 @@ public function getPackageName()
      */
     public function extractFiles($targetDir, $sourceArchive, $fileHandler = null)
     {
-        /** @noinspection PhpParamsInspection */
         return new DevtoolsInstaller($this->project, $targetDir, $sourceArchive, $fileHandler);
     }
 
diff --git a/wcfsetup/install/files/lib/system/form/builder/field/tag/TagFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/tag/TagFormField.class.php
index f9bdc0f71ec..87e553cf428 100644
--- a/wcfsetup/install/files/lib/system/form/builder/field/tag/TagFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/tag/TagFormField.class.php
@@ -88,7 +88,6 @@ public function updatedObject(array $data, IStorableObject $object, $loadValues
 
                 $languageIDs = [];
 
-                /** @noinspection PhpUndefinedFieldInspection */
                 if (isset($data['languageID'])) {
                     $languageIDs[] = $data['languageID'];
                 }
diff --git a/wcfsetup/install/files/lib/system/form/builder/field/wysiwyg/WysiwygFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/wysiwyg/WysiwygFormField.class.php
index 5b55f2d8bd5..fe6c6d5e352 100644
--- a/wcfsetup/install/files/lib/system/form/builder/field/wysiwyg/WysiwygFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/wysiwyg/WysiwygFormField.class.php
@@ -127,7 +127,6 @@ public function getAutosaveId()
      */
     public function getFieldHtml()
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $disallowedBBCodesPermission = $this->getObjectType()->disallowedBBCodesPermission;
         if ($disallowedBBCodesPermission === null) {
             $disallowedBBCodesPermission = 'user.message.disallowedBBCodes';
@@ -350,7 +349,6 @@ public function supportsQuotes()
      */
     public function validate()
     {
-        /** @noinspection PhpUndefinedFieldInspection */
         $disallowedBBCodesPermission = $this->getObjectType()->disallowedBBCodesPermission;
         if ($disallowedBBCodesPermission === null) {
             $disallowedBBCodesPermission = 'user.message.disallowedBBCodes';
diff --git a/wcfsetup/install/files/lib/system/html/toc/HtmlToc.class.php b/wcfsetup/install/files/lib/system/html/toc/HtmlToc.class.php
index 7fabb08c494..9a2556a969b 100644
--- a/wcfsetup/install/files/lib/system/html/toc/HtmlToc.class.php
+++ b/wcfsetup/install/files/lib/system/html/toc/HtmlToc.class.php
@@ -101,7 +101,6 @@ public static function forMessage(\DOMDocument $document, $idPrefix)
             }
             $heading->setDepth($depth);
 
-            /** @noinspection PhpParamsInspection */
             $lastItem->addChild($heading);
             $lastItem = $heading;
         }
diff --git a/wcfsetup/install/files/lib/system/importer/UserImporter.class.php b/wcfsetup/install/files/lib/system/importer/UserImporter.class.php
index 7bacc3de996..3df3756a96e 100644
--- a/wcfsetup/install/files/lib/system/importer/UserImporter.class.php
+++ b/wcfsetup/install/files/lib/system/importer/UserImporter.class.php
@@ -88,7 +88,6 @@ public function import($oldID, array $data, array $additionalData = [])
         // fetch user with same username
         $conflictingUser = User::getUserByUsername($data['username']);
         switch (ImportHandler::getInstance()->getUserMergeMode()) {
-            /** @noinspection PhpMissingBreakStatementInspection */
             case self::MERGE_MODE_USERNAME_OR_EMAIL:
                 // merge target will be the conflicting user
                 $targetUser = $conflictingUser;
diff --git a/wcfsetup/install/files/lib/system/io/GZipFile.class.php b/wcfsetup/install/files/lib/system/io/GZipFile.class.php
index f6f54d498fc..29413b05fcf 100644
--- a/wcfsetup/install/files/lib/system/io/GZipFile.class.php
+++ b/wcfsetup/install/files/lib/system/io/GZipFile.class.php
@@ -16,8 +16,6 @@
  */
 final class GZipFile extends File
 {
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Opens a gzip file.
      *
diff --git a/wcfsetup/install/files/lib/system/io/RemoteFile.class.php b/wcfsetup/install/files/lib/system/io/RemoteFile.class.php
index d2cb367c9fa..fd3dfefffaa 100644
--- a/wcfsetup/install/files/lib/system/io/RemoteFile.class.php
+++ b/wcfsetup/install/files/lib/system/io/RemoteFile.class.php
@@ -43,8 +43,6 @@ class RemoteFile extends File
      */
     private static $hasSSLSupport;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Opens a new connection to a remote host.
      *
@@ -181,7 +179,5 @@ public static function supportsSSL()
      * @return void
      * @deprecated 6.0 See RemoteFile::supportsSSL(). The implementation is a noop.
      */
-    public static function disableSSL()
-    {
-    }
+    public static function disableSSL() {}
 }
diff --git a/wcfsetup/install/files/lib/system/io/TarWriter.class.php b/wcfsetup/install/files/lib/system/io/TarWriter.class.php
index 13ddb0218b1..33c952fe51c 100644
--- a/wcfsetup/install/files/lib/system/io/TarWriter.class.php
+++ b/wcfsetup/install/files/lib/system/io/TarWriter.class.php
@@ -26,8 +26,6 @@ class TarWriter extends Tar
      */
     protected $mode = 'wb+';
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Creates a new TarWriter object.
      *
diff --git a/wcfsetup/install/files/lib/system/option/CaptchaSelectOptionType.class.php b/wcfsetup/install/files/lib/system/option/CaptchaSelectOptionType.class.php
index b2f86ebf0a6..2688a9033b1 100644
--- a/wcfsetup/install/files/lib/system/option/CaptchaSelectOptionType.class.php
+++ b/wcfsetup/install/files/lib/system/option/CaptchaSelectOptionType.class.php
@@ -24,7 +24,6 @@ public function getFormElement(Option $option, $value)
     {
         RecaptchaHandler::$forceIsAvailable = true;
         $selectOptions = CaptchaHandler::getInstance()->getCaptchaSelection();
-        /** @noinspection PhpUndefinedFieldInspection */
         if ($option->allowemptyvalue) {
             $selectOptions = \array_merge(
                 ['' => WCF::getLanguage()->get('wcf.captcha.useNoCaptcha')],
diff --git a/wcfsetup/install/files/lib/system/option/SelectOptionType.class.php b/wcfsetup/install/files/lib/system/option/SelectOptionType.class.php
index 568fe66c54a..382268df3a5 100644
--- a/wcfsetup/install/files/lib/system/option/SelectOptionType.class.php
+++ b/wcfsetup/install/files/lib/system/option/SelectOptionType.class.php
@@ -26,7 +26,6 @@ public function getFormElement(Option $option, $value)
     {
         $options = $this->parseEnableOptions($option);
 
-        /** @noinspection PhpUndefinedFieldInspection */
         return WCF::getTPL()->render('wcf', 'selectOptionType', [
             'disableOptions' => $options['disableOptions'],
             'enableOptions' => $options['enableOptions'],
diff --git a/wcfsetup/install/files/lib/system/package/PackageUninstallationDispatcher.class.php b/wcfsetup/install/files/lib/system/package/PackageUninstallationDispatcher.class.php
index e60d925a11b..77a68915eb6 100644
--- a/wcfsetup/install/files/lib/system/package/PackageUninstallationDispatcher.class.php
+++ b/wcfsetup/install/files/lib/system/package/PackageUninstallationDispatcher.class.php
@@ -31,8 +31,6 @@ class PackageUninstallationDispatcher extends PackageInstallationDispatcher
      */
     protected $didExecuteUninstallScript = false;
 
-    /** @noinspection PhpMissingParentConstructorInspection */
-
     /**
      * Creates a new instance of PackageUninstallationDispatcher.
      *
diff --git a/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryLookupPageHandler.class.php b/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryLookupPageHandler.class.php
index 33fea993aec..de97e6e3e3d 100644
--- a/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryLookupPageHandler.class.php
+++ b/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryLookupPageHandler.class.php
@@ -43,7 +43,6 @@ public function getLink($objectID)
         $className = $this->getDecoratedCategoryClass();
 
         /** @var AbstractDecoratedCategory $category */
-        /** @noinspection PhpUndefinedMethodInspection */
         $category = $className::getCategory($objectID);
 
         if ($category instanceof ILinkableObject) {
@@ -63,7 +62,6 @@ public function getLink($objectID)
     public function isValid($objectID = null)
     {
         $className = $this->getDecoratedCategoryClass();
-        /** @noinspection PhpUndefinedMethodInspection */
         $category = $className::getCategory($objectID);
         if ($category === null) {
             return false;
diff --git a/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryMenuPageHandler.class.php b/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryMenuPageHandler.class.php
index aeff5234824..6eb19cd4b65 100644
--- a/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryMenuPageHandler.class.php
+++ b/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryMenuPageHandler.class.php
@@ -35,7 +35,6 @@ public function isVisible($objectID = null)
         $className = $this->getDecoratedCategoryClass();
 
         /** @var ?AbstractDecoratedCategory $category */
-        /** @noinspection PhpUndefinedMethodInspection */
         $category = $className::getCategory($objectID);
 
         // check if category exists
diff --git a/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryOnlineLocationPageHandler.class.php b/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryOnlineLocationPageHandler.class.php
index 67536b9a0e8..20e95f015a9 100644
--- a/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryOnlineLocationPageHandler.class.php
+++ b/wcfsetup/install/files/lib/system/page/handler/TDecoratedCategoryOnlineLocationPageHandler.class.php
@@ -48,7 +48,6 @@ public function getOnlineLocation(Page $page, UserOnline $user)
         }
 
         /** @var ?AbstractDecoratedCategory $category */
-        /** @noinspection PhpUndefinedMethodInspection */
         $category = $className::getCategory($user->pageObjectID);
         if ($category === null) {
             return '';
diff --git a/wcfsetup/install/files/lib/system/search/acp/AbstractACPSearchResultProvider.class.php b/wcfsetup/install/files/lib/system/search/acp/AbstractACPSearchResultProvider.class.php
index 8a8d1b6fde1..acaa48c4e73 100644
--- a/wcfsetup/install/files/lib/system/search/acp/AbstractACPSearchResultProvider.class.php
+++ b/wcfsetup/install/files/lib/system/search/acp/AbstractACPSearchResultProvider.class.php
@@ -29,10 +29,8 @@ protected function validate(
     ) {
         // check the options of this item
         $hasEnabledOption = true;
-        /** @noinspection PhpVariableVariableInspection */
         if ($object->{$optionsColumnName}) {
             $hasEnabledOption = false;
-            /** @noinspection PhpVariableVariableInspection */
             $options = \explode(',', \strtoupper($object->{$optionsColumnName}));
             foreach ($options as $option) {
                 if (\defined($option) && \constant($option)) {
@@ -47,10 +45,8 @@ protected function validate(
 
         // check the permission of this item for the active user
         $hasPermission = true;
-        /** @noinspection PhpVariableVariableInspection */
         if ($object->{$permissionsColumnName}) {
             $hasPermission = false;
-            /** @noinspection PhpVariableVariableInspection */
             $permissions = \explode(',', $object->{$permissionsColumnName});
             foreach ($permissions as $permission) {
                 if (WCF::getSession()->getPermission($permission)) {
diff --git a/wcfsetup/install/files/lib/system/template/TemplateEngine.class.php b/wcfsetup/install/files/lib/system/template/TemplateEngine.class.php
index 60cfd33610f..368cbaecb59 100755
--- a/wcfsetup/install/files/lib/system/template/TemplateEngine.class.php
+++ b/wcfsetup/install/files/lib/system/template/TemplateEngine.class.php
@@ -664,7 +664,6 @@ public function getCompiler()
      */
     public function getSourceContent($sourceFilename)
     {
-        /** @noinspection PhpUnusedLocalVariableInspection */
         $sourceContent = '';
         if (!\file_exists($sourceFilename) || (($sourceContent = @\file_get_contents($sourceFilename)) === false)) {
             throw new SystemException("Could not open template '{$sourceFilename}' for reading");
diff --git a/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php b/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php
index 6a79c6d800a..9b5263ba401 100644
--- a/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php
+++ b/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php
@@ -80,7 +80,6 @@ public function __construct($actionClassName, array $options = [], array $data =
             throw new ParentClassException($this->actionClassName, AbstractDatabaseObjectAction::class);
         }
 
-        /** @noinspection PhpUndefinedMethodInspection */
         $this->editorClassName = (new $this->actionClassName([], ''))->getClassName();
         $baseClass = \call_user_func([$this->editorClassName, 'getBaseClass']);
         if (!\is_subclass_of($baseClass, IFile::class)) {
@@ -374,7 +373,6 @@ public function generateThumbnails(IThumbnailFile $file)
         }
 
         if (!empty($updateData)) {
-            /** @noinspection PhpUndefinedMethodInspection */
             (new $this->editorClassName($file))->update($updateData);
         }
     }
diff --git a/wcfsetup/install/files/lib/system/user/UserProfileHandler.class.php b/wcfsetup/install/files/lib/system/user/UserProfileHandler.class.php
index 6a7b6a225c0..21cf1b84cda 100644
--- a/wcfsetup/install/files/lib/system/user/UserProfileHandler.class.php
+++ b/wcfsetup/install/files/lib/system/user/UserProfileHandler.class.php
@@ -53,7 +53,6 @@ public function __call($name, $arguments)
      */
     public function __get($name)
     {
-        /** @noinspection PhpVariableVariableInspection */
         return $this->userProfile->{$name};
     }
 
diff --git a/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php b/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php
index ea67829e387..7377f1a452e 100644
--- a/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php
+++ b/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php
@@ -542,7 +542,6 @@ public function processNotifications(array $notificationObjects)
 
         // load objects associated with each object type
         foreach ($objectTypes as $objectType => $objectData) {
-            /** @noinspection PhpUndefinedMethodInspection */
             $objectTypes[$objectType]['objects'] = $objectData['objectType']->getObjectsByIDs($objectData['objectIDs']);
         }
 
diff --git a/wcfsetup/install/files/lib/util/ClassUtil.class.php b/wcfsetup/install/files/lib/util/ClassUtil.class.php
index c1c729dedd9..e90e1869bca 100644
--- a/wcfsetup/install/files/lib/util/ClassUtil.class.php
+++ b/wcfsetup/install/files/lib/util/ClassUtil.class.php
@@ -87,7 +87,6 @@ public static function isDecoratedInstanceOf($className, $targetClass)
                 return false;
             }
 
-            /** @noinspection PhpUndefinedMethodInspection */
             if (\is_subclass_of($className::getBaseClass(), $targetClass)) {
                 return true;
             }
diff --git a/wcfsetup/install/files/lib/util/HTTPRequest.class.php b/wcfsetup/install/files/lib/util/HTTPRequest.class.php
index b8a0d8aca1d..a081860f0ac 100644
--- a/wcfsetup/install/files/lib/util/HTTPRequest.class.php
+++ b/wcfsetup/install/files/lib/util/HTTPRequest.class.php
@@ -121,7 +121,6 @@ public function __construct(string $url, array $options = [], array|string $post
                         \RecursiveIteratorIterator::SELF_FIRST
                     );
                     foreach ($iterator as $v) {
-                        /** @noinspection PhpUndefinedMethodInspection */
                         if (!$iterator->hasChildren()) {
                             $key = '';
                             for ($i = 0, $max = $iterator->getDepth(); $i <= $max; $i++) {
@@ -144,7 +143,6 @@ public function __construct(string $url, array $options = [], array|string $post
                     \RecursiveIteratorIterator::SELF_FIRST
                 );
                 foreach ($iterator as $k => $v) {
-                    /** @noinspection PhpUndefinedMethodInspection */
                     if (!$iterator->hasChildren()) {
                         $key = '';
                         for ($i = 0, $max = $iterator->getDepth(); $i <= $max; $i++) {