diff --git a/tests/Integration/ApiDataFetcherTest.php b/tests/Integration/ApiDataFetcherTest.php
index 9c0b9f5..d2b0881 100644
--- a/tests/Integration/ApiDataFetcherTest.php
+++ b/tests/Integration/ApiDataFetcherTest.php
@@ -111,7 +111,7 @@ public function it_can_extract_pubmed_ids_from_id_converter()
 
         $merged = ApiDataMerger::handle($extracted);
         $identifiers = array_merge(...$merged['identifiers']);
-        $this->assertTrue(count(array_filter($identifiers, function($identifier) {
+        $this->assertTrue(count(array_filter($identifiers, function ($identifier) {
             return $identifier['type'] === 'pubmed';
         })) > 0);
     }
diff --git a/tests/Integration/ArxivDataExtractorTest.php b/tests/Integration/ArxivDataExtractorTest.php
index 378d22f..f6037c1 100644
--- a/tests/Integration/ArxivDataExtractorTest.php
+++ b/tests/Integration/ArxivDataExtractorTest.php
@@ -2,7 +2,6 @@
 
 namespace PubPeerFoundation\PublicationDataExtractor\Test\Integration;
 
-use PubPeerFoundation\PublicationDataExtractor\ApiDataMerger;
 use PubPeerFoundation\PublicationDataExtractor\Test\TestCase;
 use PubPeerFoundation\PublicationDataExtractor\Test\TestHelpers;
 use PubPeerFoundation\PublicationDataExtractor\Resources\Extractors\Arxiv;