diff --git a/lib/ErrorHandler.php b/lib/ErrorHandler.php
index 11d40bd..28e384f 100644
--- a/lib/ErrorHandler.php
+++ b/lib/ErrorHandler.php
@@ -26,7 +26,6 @@ final class ErrorHandler
         \E_NOTICE               => 'E_NOTICE',
         \E_PARSE                => 'E_PARSE',
         \E_RECOVERABLE_ERROR    => 'E_RECOVERABLE_ERROR',
-        \E_STRICT               => 'E_STRICT',
         \E_USER_DEPRECATED      => 'E_USER_DEPRECATED',
         \E_USER_ERROR           => 'E_USER_ERROR',
         \E_USER_NOTICE          => 'E_USER_NOTICE',
diff --git a/phpunit.xml b/phpunit.xml
index 9e48ff8..c4e48f9 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -4,6 +4,8 @@
         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
         colors="true"
         cacheDirectory=".phpunit.cache"
+        displayDetailsOnPhpunitDeprecations="true"
+        displayDetailsOnTestsThatTriggerDeprecations="true"
 >
   <coverage>
     <report>