diff --git a/src/Test/TagRewriterTestCase.php b/src/Test/TagRewriterTestCase.php
deleted file mode 100644
index f3cf678..0000000
--- a/src/Test/TagRewriterTestCase.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-namespace Webfactory\Html5TagRewriter\Test;
-
-use Override;
-use PHPUnit\Framework\TestCase;
-use Webfactory\Html5TagRewriter\Implementation\Html5TagRewriter;
-use Webfactory\Html5TagRewriter\TagRewriter;
-
-abstract class TagRewriterTestCase extends TestCase
-{
-    protected TagRewriter $rewriter;
-
-    #[Override]
-    protected function setUp(): void
-    {
-        $this->rewriter = new Html5TagRewriter();
-    }
-
-    public function assertRewriteResultEquals(string $expected, string $input): void
-    {
-        $result = $this->rewriter->processBodyFragment($input);
-
-        $this->assertXmlStringEqualsXmlString($expected, $result);
-    }
-
-    public function assertRewriteResultUnchanged(string $input): void
-    {
-        $this->assertRewriteResultEquals($input, $input);
-    }
-}
diff --git a/tests/Test/TagRewriterTestCaseTest.php b/tests/Test/TagRewriterTestCaseTest.php
deleted file mode 100644
index 1aa5ec2..0000000
--- a/tests/Test/TagRewriterTestCaseTest.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-
-namespace Webfactory\Html5TagRewriter\Tests\Test;
-
-use Dom\Element;
-use PHPUnit\Framework\Attributes\Test;
-use PHPUnit\Framework\ExpectationFailedException;
-use Webfactory\Html5TagRewriter\Test\TagRewriterTestCase;
-use Webfactory\Html5TagRewriter\Tests\Fixtures\TestRewriteHandler;
-
-class TagRewriterTestCaseTest extends TagRewriterTestCase
-{
-    #[Test]
-    public function assertRewriteResultEquals_when_RewriteHandler_registered(): void
-    {
-        $handler = new TestRewriteHandler('//html:p');
-        $handler->onMatch(function (Element $element) {
-            $element->textContent = 'bar';
-        });
-        $this->rewriter->register($handler);
-
-        $this->assertRewriteResultEquals('<p>bar</p>', '<p>foo</p>');
-    }
-
-    #[Test]
-    public function assertRewriteResultEquals_when_no_RewriteHandler_fails(): void
-    {
-        $this->expectException(ExpectationFailedException::class);
-
-        $this->assertRewriteResultEquals('<p>bar</p>', '<p>foo</p>');
-    }
-
-    #[Test]
-    public function assertRewriteResultUnchanged_fails_when_RewriteHandler_registered(): void
-    {
-        $handler = new TestRewriteHandler('//html:p');
-        $handler->onMatch(function (Element $element) {
-            $element->textContent = 'bar';
-        });
-        $this->rewriter->register($handler);
-
-        $this->expectException(ExpectationFailedException::class);
-
-        $this->assertRewriteResultUnchanged('<p>foo</p>');
-    }
-
-    #[Test]
-    public function assertRewriteResultUnchanged_when_no_RewriteHandler_fails(): void
-    {
-        $this->assertRewriteResultUnchanged('<p>bar</p>', '<p>foo</p>');
-    }
-}