diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index e227a30f8..318edb5d8 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -5,7 +5,6 @@
   failOnDeprecation="true"
   failOnNotice="true"
   failOnWarning="true"
-  displayDetailsOnPhpunitDeprecations="true"
 >
   <source>
     <include>