diff --git a/src/Symfony/Component/Console/Tests/Output/StreamOutputTest.php b/src/Symfony/Component/Console/Tests/Output/StreamOutputTest.php
index 55547bda4840e..86d5038066235 100644
--- a/src/Symfony/Component/Console/Tests/Output/StreamOutputTest.php
+++ b/src/Symfony/Component/Console/Tests/Output/StreamOutputTest.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\Console\Tests\Output;
 
-use PHPUnit\Framework\AssertionFailedError;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Console\Output\Output;
 use Symfony\Component\Console\Output\StreamOutput;