diff --git a/WordPress-Plugin-Security-Testing-Cheat-Sheet.md b/WordPress-Plugin-Security-Testing-Cheat-Sheet.md
index 84c826c..4e59022 100644
--- a/WordPress-Plugin-Security-Testing-Cheat-Sheet.md
+++ b/WordPress-Plugin-Security-Testing-Cheat-Sheet.md
@@ -6,12 +6,6 @@
 
 This is cheat sheet is heavily used by the WPScan Team when we conduct penetration testing against WordPress plugins.
 
-## How to: Find WordPress Plugin Vulnerabilities Free eBook
-
-We also have an free eBook with similar content but in a less cheat sheet style:
-
-https://wpscan.com/howto-find-wordpress-plugin-vulnerabilities-wpscan-ebook.pdf
-
 ## Testing Environments
 
 * [Local by Flywheel](https://localwp.com/)