diff --git a/SUMMARY.md b/SUMMARY.md
index c9758d8..d0f0cf3 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -116,7 +116,6 @@
 * [CoreOS](coreos/README.md)
     * [Introduction](coreos/intro.md)
     * [Tools](coreos/intro_tools.md)
-    * [CoreOS Cluster](coreos/quickstart.md)
 * [Kubernetes](kubernetes/README.md)
     * [Introduction](kubernetes/intro.md)
     * [Quick start](kubernetes/quickstart.md)