diff --git a/src/Subscriber/MismatchBranchDescriptionSubscriber.php b/src/Subscriber/MismatchBranchDescriptionSubscriber.php
index c4aec69..43161a0 100644
--- a/src/Subscriber/MismatchBranchDescriptionSubscriber.php
+++ b/src/Subscriber/MismatchBranchDescriptionSubscriber.php
@@ -83,7 +83,7 @@ private function extractDescriptionBranchFromBody(string $body): ?string
 
         $rowDescriptionBranch = $rowsDescriptionBranch[0]; // row matching
 
-        $descriptionBranchParts = \explode('|', (string) $rowDescriptionBranch);
+        $descriptionBranchParts = \explode('|', $rowDescriptionBranch);
         if (false === array_key_exists(2, $descriptionBranchParts)) { // Branch description is in second Markdown table column
             return null;
         }
diff --git a/src/Subscriber/StatusChangeByReviewSubscriber.php b/src/Subscriber/StatusChangeByReviewSubscriber.php
index ad5003b..6769150 100644
--- a/src/Subscriber/StatusChangeByReviewSubscriber.php
+++ b/src/Subscriber/StatusChangeByReviewSubscriber.php
@@ -38,7 +38,7 @@ public function onReview(GitHubEvent $event): void
         $newStatus = null;
 
         // Set status based on review state
-        $newStatus = match (strtolower((string) $data['review']['state'])) {
+        $newStatus = match (strtolower($data['review']['state'])) {
             'approved' => Status::REVIEWED,
             'changes_requested' => Status::NEEDS_WORK,
             default => $this->parseStatusFromText($data['review']['body']),
diff --git a/tests/Controller/WebhookControllerTest.php b/tests/Controller/WebhookControllerTest.php
index 6d50fa7..e93d223 100644
--- a/tests/Controller/WebhookControllerTest.php
+++ b/tests/Controller/WebhookControllerTest.php
@@ -49,14 +49,14 @@ public function testIssueComment($eventHeader, $payloadFilename, $expectedRespon
         $client->request('POST', '/webhooks/github', [], [], ['HTTP_X-Github-Event' => $eventHeader], $body);
         $response = $client->getResponse();
 
-        $responseData = json_decode((string) $response->getContent(), true);
+        $responseData = json_decode($response->getContent(), true);
         $this->assertResponseIsSuccessful($responseData['error'] ?? 'An error occurred.');
 
         // a weak sanity check that we went down "the right path" in the controller
         $this->assertSame($expectedResponse, $responseData);
     }
 
-    public function getTests()
+    public function getTests(): array
     {
         return [
             'On issue commented' => [