diff --git a/webapp/src/Controller/Jury/RejudgingController.php b/webapp/src/Controller/Jury/RejudgingController.php
index da05c10a79..32d7eeef73 100644
--- a/webapp/src/Controller/Jury/RejudgingController.php
+++ b/webapp/src/Controller/Jury/RejudgingController.php
@@ -126,7 +126,7 @@ public function indexAction(): Response
                 $status = $rejudging->getValid() ? 'applied' : 'canceled';
                 $sort_order = 2;
             } elseif ($todo > 0) {
-                $perc   = (int)(100 * ((double)$done / (double)($done + $todo)));
+                $perc   = (int)(100 * ((float)$done / (float)($done + $todo)));
                 $status = sprintf("%d%% done", $perc);
                 $sort_order = 0;
             } else {
diff --git a/webapp/src/Utils/Utils.php b/webapp/src/Utils/Utils.php
index 9e07e13944..54f51752f7 100644
--- a/webapp/src/Utils/Utils.php
+++ b/webapp/src/Utils/Utils.php
@@ -761,9 +761,6 @@ public static function getImageThumb(string $image, int $thumbMaxSize, string $t
             return false;
         }
 
-        imagedestroy($orig);
-        imagedestroy($thumb);
-
         return $thumbstr;
     }
 
@@ -997,8 +994,6 @@ public static function getTextType(string $clientName, string $realPath): ?strin
 
             [$type] = explode('; ', finfo_file($finfo, $realPath));
 
-            finfo_close($finfo);
-
             switch ($type) {
                 case 'application/pdf':
                     $textType = 'pdf';