diff -u b/linkchecker.module b/linkchecker.module
--- b/linkchecker.module
+++ b/linkchecker.module
@@ -10,7 +10,6 @@
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\Logger\RfcLogLevel;
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\field\FieldConfigInterface;
 use Drupal\filter\Entity\FilterFormat;
diff -u b/src/LinkCheckerService.php b/src/LinkCheckerService.php
--- b/src/LinkCheckerService.php
+++ b/src/LinkCheckerService.php
@@ -7,7 +7,6 @@
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Link;
 use Drupal\Core\Logger\LoggerChannelInterface;
-use Drupal\Core\Logger\RfcLogLevel;
 use Drupal\Core\Queue\QueueFactory;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\Url;
@@ -243,7 +242,7 @@
         $link->save();
         $this->logger->notice('Link %link has changed and needs to be updated.', [
           '%link' => $link->getUrl(),
-          'link' => $this->getReportLink()
+          'link' => $this->getReportLink(),
         ]);
         break;
 
@@ -256,7 +255,7 @@
 
         $this->logger->notice('Broken link %link has been found.', [
           '%link' => $link->getUrl(),
-          'link' => $this->getReportLink()
+          'link' => $this->getReportLink(),
         ]);
         break;
 
@@ -272,7 +271,7 @@
 
         $this->logger->notice('Method HEAD is not allowed for link %link. Method has been changed to GET.', [
           '%link' => $link->getUrl(),
-          'link' => $this->getReportLink()
+          'link' => $this->getReportLink(),
         ]);
         break;
 
@@ -288,7 +287,7 @@
 
           $this->logger->notice('Broken link %link has been found.', [
             '%link' => $link->getUrl(),
-            'link' => $this->getReportLink()
+            'link' => $this->getReportLink(),
           ]);
         }
         else {
@@ -301,7 +300,7 @@
 
           $this->logger->notice('Internal server error for link %link. Method has been changed to GET.', [
             '%link' => $link->getUrl(),
-            'link' => $this->getReportLink()
+            'link' => $this->getReportLink(),
           ]);
         }
         break;
@@ -324,7 +323,7 @@
 
           $this->logger->error('Unhandled link error %link has been found.', [
             '%link' => $link->getUrl(),
-            'link' => $this->getReportLink()
+            'link' => $this->getReportLink(),
           ]);
         }
     }
@@ -358,7 +357,7 @@
     $this->logger->error('Unhandled link error %link has been found: : %message.', [
       '%link' => $link->getUrl(),
       '%message' => $e->getMessage(),
-      'link' => $this->getReportLink()
+      'link' => $this->getReportLink(),
     ]);
 
     $this->updateSameLinks($link);