diff --git a/wpf-toc.html b/wpf-toc.html
index 5b505e749..5ed767ff7 100644
--- a/wpf-toc.html
+++ b/wpf-toc.html
@@ -1480,7 +1480,6 @@
         </ul>
     </li>
     <li>PDF</li>
-    <li>PdfViewer</li>
     <li>
         PercentTextBox
         <ul>