diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 22abe68..ea50071 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -22,6 +22,8 @@
          external DDev URL so you can follow the links directly.
         -->
         <env name="BROWSERTEST_OUTPUT_BASE_URL" value=""/>
+        <!-- Disable the deprecations helper for more readable test output. -->
+        <env name="SYMFONY_DEPRECATIONS_HELPER" value="disabled"/>
     </php>
 
     <testsuites>