diff --git a/phpstan.neon b/phpstan.neon
index 44903ed..efda0f0 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -12,7 +12,7 @@ parameters:
     checkGenericClassInNonGenericObjectType: false
     ignoreErrors:
         # All Yii setters accept `null` but their phpdoc is incorrect.
-        - message: '~^Parameter #1 \$value of method yii\\web\\Request::set(.*)\(\) expects (.*), null given.$~'
+        - message: '~^Parameter #1 \$(.+) of method yii\\web\\Request::set(.+)\(\) expects (.+), null given.$~'
           path: 'src/'
         - message: '~^Variable \$_COOKIE in isset\(\) always exists and is not nullable.$~'
           path: 'src/'
diff --git a/src/Codeception/Lib/Connector/Yii2.php b/src/Codeception/Lib/Connector/Yii2.php
index 2b7064d..b7c7519 100644
--- a/src/Codeception/Lib/Connector/Yii2.php
+++ b/src/Codeception/Lib/Connector/Yii2.php
@@ -329,9 +329,9 @@ public function doRequest(object $request): \Symfony\Component\BrowserKit\Respon
         $yiiRequest = $app->getRequest();
         if ($request->getContent() !== null) {
             $yiiRequest->setRawBody($request->getContent());
-            $yiiRequest->setBodyParams([]);
+            $yiiRequest->setBodyParams(null);
         } else {
-            $yiiRequest->setRawBody('');
+            $yiiRequest->setRawBody(null);
             $yiiRequest->setBodyParams($_POST);
         }
         $yiiRequest->setQueryParams($_GET);
diff --git a/src/Codeception/Module/Yii2.php b/src/Codeception/Module/Yii2.php
index 06315ca..06d09d8 100644
--- a/src/Codeception/Module/Yii2.php
+++ b/src/Codeception/Module/Yii2.php
@@ -690,36 +690,6 @@ public function amOnRoute(string $route, array $params = []): void
         $this->amOnPage(Url::to($params));
     }
 
-    /**
-     * Opens the page for the given relative URI or route.
-     *
-     * ``` php
-     * <?php
-     * // opens front page
-     * $I->amOnPage('/');
-     * // opens /register page
-     * $I->amOnPage('/register');
-     * ```
-     *
-     * @param string $page the page URI
-     */
-    public function amOnPage(string $page): void
-    {
-        parent::amOnPage($page);
-    }
-
-    /**
-     * To support to use the behavior of urlManager component
-     * for the methods like this: amOnPage(), sendAjaxRequest() and etc.
-     * @param array $parameters
-     * @param array $files
-     * @param array $server
-     */
-    protected function clientRequest(string $method, string $uri,  array $parameters = [],  array $files = [], array $server = [], string $content = null, bool $changeHistory = true): SymfonyCrawler
-    {
-        return parent::clientRequest($method, \Yii::$app->urlManager->createUrl($uri), $parameters, $files, $server, $content, $changeHistory);
-    }
-
     /**
      * Gets a component from the Yii container. Throws an exception if the
      * component is not available
@@ -729,12 +699,10 @@ protected function clientRequest(string $method, string $uri,  array $parameters
      * $mailer = $I->grabComponent('mailer');
      * ```
      *
-     * @param $component
-     * @return mixed
      * @throws \Codeception\Exception\ModuleException
      * @deprecated in your tests you can use \Yii::$app directly.
      */
-    public function grabComponent(mixed $component)
+    public function grabComponent(string $component): null|object
     {
         try {
             return $this->getClient()->getComponent($component);