diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 795658bf1..7ea01209e 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -21,7 +21,7 @@
 
 declare(strict_types=1);
 
-error_reporting(E_ALL | E_STRICT);
+error_reporting(E_ALL);
 
 use ElasticApmTests\TestsRootDir;
 
diff --git a/tests/polyfills/load.php b/tests/polyfills/load.php
index 4abcd45bd..8b99a2f7e 100644
--- a/tests/polyfills/load.php
+++ b/tests/polyfills/load.php
@@ -21,7 +21,7 @@
 
 declare(strict_types=1);
 
-error_reporting(E_ALL | E_STRICT);
+error_reporting(E_ALL);
 
 if (!function_exists('array_key_first')) {
     require __DIR__ . '/array_key_first.php';