diff --git a/tests/HTMLPurifier/AttrValidator_ErrorsTest.php b/tests/HTMLPurifier/AttrValidator_ErrorsTest.php
index 07e25301..98693afb 100644
--- a/tests/HTMLPurifier/AttrValidator_ErrorsTest.php
+++ b/tests/HTMLPurifier/AttrValidator_ErrorsTest.php
@@ -10,7 +10,8 @@ class HTMLPurifier_AttrValidator_ErrorsTest extends HTMLPurifier_ErrorsHarness
         $this->language = HTMLPurifier_LanguageFactory::instance()->create($config, $this->context);
         $this->context->register('Locale', $this->language);
         $this->collector = new HTMLPurifier_ErrorCollector($this->context);
-        $this->context->register('Generator', new HTMLPurifier_Generator($config, $this->context));
+        $gen = new HTMLPurifier_Generator($config, $this->context);
+        $this->context->register('Generator', $gen);
     }
 
     protected function invoke($input)
diff --git a/tests/HTMLPurifier/DefinitionCacheFactoryTest.php b/tests/HTMLPurifier/DefinitionCacheFactoryTest.php
index fe27e0d5..b1ca27a0 100644
--- a/tests/HTMLPurifier/DefinitionCacheFactoryTest.php
+++ b/tests/HTMLPurifier/DefinitionCacheFactoryTest.php
@@ -30,7 +30,8 @@ class HTMLPurifier_DefinitionCacheFactoryTest extends HTMLPurifier_Harness
         $this->factory->addDecorator('Memory');
         $cache = $this->factory->create('Test', $this->config);
         $cache_real = new HTMLPurifier_DefinitionCache_Decorator_Memory();
-        $cache_real = $cache_real->decorate(new HTMLPurifier_DefinitionCache_Serializer('Test'));
+        $ser = new HTMLPurifier_DefinitionCache_Serializer('Test');
+        $cache_real = $cache_real->decorate($ser);
         $this->assertEqual($cache, $cache_real);
     }
 
@@ -39,7 +40,8 @@ class HTMLPurifier_DefinitionCacheFactoryTest extends HTMLPurifier_Harness
         $this->factory->addDecorator(new HTMLPurifier_DefinitionCache_Decorator_Memory());
         $cache = $this->factory->create('Test', $this->config);
         $cache_real = new HTMLPurifier_DefinitionCache_Decorator_Memory();
-        $cache_real = $cache_real->decorate(new HTMLPurifier_DefinitionCache_Serializer('Test'));
+        $ser = new HTMLPurifier_DefinitionCache_Serializer('Test');
+        $cache_real = $cache_real->decorate($ser);
         $this->assertEqual($cache, $cache_real);
     }