diff --git a/library/HTMLPurifier/Language/classes/en-x-test.php b/library/HTMLPurifier/Language/classes/en-x-test.php
deleted file mode 100644
index 8828f5cd..00000000
--- a/library/HTMLPurifier/Language/classes/en-x-test.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-// private class for unit testing
-
-class HTMLPurifier_Language_en_x_test extends HTMLPurifier_Language
-{
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Language/messages/en-x-test.php b/library/HTMLPurifier/Language/messages/en-x-test.php
deleted file mode 100644
index dd5f5024..00000000
--- a/library/HTMLPurifier/Language/messages/en-x-test.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-
-// private language message file for unit testing purposes
-
-$fallback = 'en';
-
-$messages = array(
-    'HTMLPurifier' => 'HTML Purifier X'
-);
-
-$errorNames = array();
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Language/messages/en-x-testmini.php b/library/HTMLPurifier/Language/messages/en-x-testmini.php
deleted file mode 100644
index e1e7db50..00000000
--- a/library/HTMLPurifier/Language/messages/en-x-testmini.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-// private language message file for unit testing purposes
-// this language file has no class associated with it
-
-$fallback = 'en';
-
-$messages = array(
-    'HTMLPurifier' => 'HTML Purifier XNone'
-);
-
-$errorNames = array();
-
-// vim: et sw=4 sts=4
diff --git a/tests/HTMLPurifier/LanguageFactoryTest.php b/tests/HTMLPurifier/LanguageFactoryTest.php
index e1a73ac7..2cc9a793 100644
--- a/tests/HTMLPurifier/LanguageFactoryTest.php
+++ b/tests/HTMLPurifier/LanguageFactoryTest.php
@@ -29,45 +29,6 @@ class HTMLPurifier_LanguageFactoryTest extends HTMLPurifier_Harness
 
     }
 
-    public function testFallback()
-    {
-        $this->config->set('Core.Language', 'en-x-test');
-        $language = $this->factory->create($this->config, $this->context);
-
-        $this->assertIsA($language, 'HTMLPurifier_Language_en_x_test');
-        $this->assertIdentical($language->code, 'en-x-test');
-
-        $language->load();
-
-        // test overloaded message
-        $this->assertIdentical($language->getMessage('HTMLPurifier'), 'HTML Purifier X');
-
-        // test inherited message
-        $this->assertIdentical($language->getMessage('LanguageFactoryTest: Pizza'), 'Pizza');
-
-    }
-
-    public function testFallbackWithNoClass()
-    {
-        $this->config->set('Core.Language', 'en-x-testmini');
-        $language = $this->factory->create($this->config, $this->context);
-        $this->assertIsA($language, 'HTMLPurifier_Language');
-        $this->assertIdentical($language->code, 'en-x-testmini');
-        $language->load();
-        $this->assertIdentical($language->getMessage('HTMLPurifier'), 'HTML Purifier XNone');
-        $this->assertIdentical($language->getMessage('LanguageFactoryTest: Pizza'), 'Pizza');
-        $this->assertIdentical($language->error, false);
-    }
-
-    public function testNoSuchLanguage()
-    {
-        $this->config->set('Core.Language', 'en-x-testnone');
-        $language = $this->factory->create($this->config, $this->context);
-        $this->assertIsA($language, 'HTMLPurifier_Language');
-        $this->assertIdentical($language->code, 'en-x-testnone');
-        $this->assertIdentical($language->error, true);
-    }
-
 }
 
 // vim: et sw=4 sts=4