diff --git a/phpunit.xml b/phpunit.xml
index 5d505958..c7f22893 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -4,7 +4,6 @@
          bootstrap="tests/bootstrap.php"
          cacheDirectory=".phpunit.cache"
          executionOrder="depends,defects"
-         shortenArraysForExportThreshold="10"
          beStrictAboutOutputDuringTests="true"
          displayDetailsOnPhpunitDeprecations="true"
          failOnPhpunitDeprecation="true"