diff --git a/src/Fetcher.php b/src/Fetcher.php
index 44defdb..b355b27 100644
--- a/src/Fetcher.php
+++ b/src/Fetcher.php
@@ -4,7 +4,6 @@
 
 use Generator;
 use GrahamCampbell\GuzzleFactory\GuzzleFactory;
-use GuzzleHttp\Exception\RequestException;
 use GuzzleHttp\Promise\EachPromise;
 use Psr\Http\Message\ResponseInterface;
 use PubPeerFoundation\PublicationDataExtractor\Identifiers\Identifier;