diff --git a/SUMMARY.md b/SUMMARY.md
index fd945cd..4ed656c 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -1,4 +1,3 @@
 # Table of contents
 
 * [Sylvester Kaczmarek - Space, AI & Robotics Cybersecurity](README.md)
-* [Cognitive Warfare Strategies](cognitive-warfare-strategies.md)