diff --git a/tests/PHPUnit/TestingEnvironment.php b/tests/PHPUnit/TestingEnvironment.php
index a212a323c71..dbd11885191 100644
--- a/tests/PHPUnit/TestingEnvironment.php
+++ b/tests/PHPUnit/TestingEnvironment.php
@@ -118,7 +118,7 @@ public static function addHooks()
                 });
 
                 $config->Plugins_Tracker = array('Plugins_Tracker' => $trackerPluginsToLoad);
-                $config->log['log_writers'] = array('screen', 'file');
+                $config->log['log_writers'] = array('file');
 
                 $manager->unloadPlugins();