diff --git a/tests/Phug/DefaultOptionsTest.php b/tests/Phug/DefaultOptionsTest.php
index 076b9cb3..e8f2ea6b 100644
--- a/tests/Phug/DefaultOptionsTest.php
+++ b/tests/Phug/DefaultOptionsTest.php
@@ -191,6 +191,8 @@
 use Phug\Renderer\Adapter\EvalAdapter;
 use Phug\Renderer\Adapter\FileAdapter;
 use Phug\Renderer\Adapter\StreamAdapter;
+use Phug\Test\Util\TCompiler;
+use Phug\Test\Util\TParser;
 use Phug\Util\OptionInterface;
 
 /**
@@ -556,9 +558,9 @@ public function testInitialOption()
         include_once __DIR__.'/Util/TCompiler.php';
         include_once __DIR__.'/Util/TParser.php';
         Phug::reset();
-        Phug::setOption('parser_class_name', \TParser::class);
-        Phug::setOption('compiler_class_name', \TCompiler::class);
-        self::assertInstanceOf(\TCompiler::class, Phug::getRenderer()->getCompiler());
-        self::assertInstanceOf(\TParser::class, Phug::getRenderer()->getCompiler()->getParser());
+        Phug::setOption('parser_class_name', TParser::class);
+        Phug::setOption('compiler_class_name', TCompiler::class);
+        self::assertInstanceOf(TCompiler::class, Phug::getRenderer()->getCompiler());
+        self::assertInstanceOf(TParser::class, Phug::getRenderer()->getCompiler()->getParser());
     }
 }
diff --git a/tests/Phug/Util/TCompiler.php b/tests/Phug/Util/TCompiler.php
index 97d2747b..5468f91d 100644
--- a/tests/Phug/Util/TCompiler.php
+++ b/tests/Phug/Util/TCompiler.php
@@ -1,5 +1,7 @@
 <?php
 
+namespace Phug\Test\Util;
+
 class TCompiler extends \Phug\Compiler
 {
 }
diff --git a/tests/Phug/Util/TParser.php b/tests/Phug/Util/TParser.php
index 9de13bca..65c984d9 100644
--- a/tests/Phug/Util/TParser.php
+++ b/tests/Phug/Util/TParser.php
@@ -1,5 +1,7 @@
 <?php
 
+namespace Phug\Test\Util;
+
 class TParser extends \Phug\Parser
 {
 }