From f74383407b6f3f332816a2c7da920f42b887a721 Mon Sep 17 00:00:00 2001
From: charlesgonzales <39999268+charlesgonzales@users.noreply.github.com>
Date: Sat, 15 Dec 2018 05:17:36 +0800
Subject: [PATCH] Update README.md

---
 core-java-concurrency/README.md | 1 -
 1 file changed, 1 deletion(-)

diff --git a/core-java-concurrency/README.md b/core-java-concurrency/README.md
index 682c9b8ef0..2db7b91cde 100644
--- a/core-java-concurrency/README.md
+++ b/core-java-concurrency/README.md
@@ -26,7 +26,6 @@
 - [ExecutorService - Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads)
 - [wait and notify() Methods in Java](http://www.baeldung.com/java-wait-notify)
 - [Priority-based Job Scheduling in Java](http://www.baeldung.com/java-priority-job-schedule)
-- [A Custom Spring SecurityConfigurer](http://www.baeldung.com/spring-security-custom-configurer)
 - [Life Cycle of a Thread in Java](http://www.baeldung.com/java-thread-lifecycle)
 - [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable)
 - [Brief Introduction to Java Thread.yield()](https://www.baeldung.com/java-thread-yield)