diff --git a/tests/CssToInlineStylesTest.php b/tests/CssToInlineStylesTest.php
index 5eb63a9..b539bdf 100644
--- a/tests/CssToInlineStylesTest.php
+++ b/tests/CssToInlineStylesTest.php
@@ -21,14 +21,6 @@ protected function prepare(): void
         $this->cssToInlineStyles = new CssToInlineStyles();
     }
 
-    /**
-     * @after
-     */
-    protected function clear(): void
-    {
-        $this->cssToInlineStyles = null;
-    }
-
     public function testNoXMLHeaderPresent(): void
     {
         $this->assertStringNotContainsString(