diff --git a/security-modules/cas/README.md b/security-modules/cas/README.md
index 6ceeaea0c4..a50159d2d8 100644
--- a/security-modules/cas/README.md
+++ b/security-modules/cas/README.md
@@ -15,4 +15,3 @@ The server starts at https://localhost:8443. `casuser`/`Mellon` are the username
 
 ### Relevant Articles: 
 
-- [CAS SSO With Spring Security](https://www.baeldung.com/spring-security-cas-sso)
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