diff --git a/src/WebPageInspector.php b/src/WebPageInspector.php
index <HASH>..<HASH> 100644
--- a/src/WebPageInspector.php
+++ b/src/WebPageInspector.php
@@ -7,10 +7,6 @@ use webignition\WebResourceInterfaces\WebPageInterface;
 
 class WebPageInspector
 {
-    const CHARSET_GB2312 = 'GB2312';
-    const CHARSET_BIG5 = 'BIG5';
-    const CHARSET_UTF_8 = 'UTF-8';
-
     /**
      * @var WebPageInterface
      */
Remove WebPageInspector::CHARSET_* constants (#<I>)