diff --git a/_Sidebar.md b/_Sidebar.md
index 8a35c02..6fdec0b 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -13,7 +13,6 @@
 ### Customizing
 * [Hidden Figures](https://github.com/vmstan/gravity-sync/wiki/Hidden-Figures)
 * [Reference Architectures](https://github.com/vmstan/gravity-sync/wiki/Reference-Architectures)
-* [Under The Covers](https://github.com/vmstan/gravity-sync/wiki/Under-The-Covers)
 
 ### Help
 * [Frequently Asked Questions](https://github.com/vmstan/gravity-sync/wiki/Frequent-Questions)