diff --git a/free-programming-books.md b/free-programming-books.md
index 52e52688c..0001f551e 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1250,7 +1250,6 @@
 * [The Java Tutorial 4th Edition](http://download.oracle.com/javase/tutorial/) - Sharon Zakhour, Scott Hommel, Jacob Royal, Isaac Rabinovitch, Tom Risser, Mark Hoeber
 * [Think Java: How to Think Like a Computer Scientist](http://greenteapress.com/thinkapjava/) - Allen B. Downey
 * [Thinking in Java](http://www.mindview.net/Books/TIJ/)
-* [UML For Java Programmers](http://www.csd.uoc.gr/~hy252/references/UML_for_Java_Programmers-Book.pdf) - Robert Cecil Martin (PDF)
 * [Welcome to Java for Python Programmers](http://interactivepython.org/runestone/static/java4python/index.html) - Brad Miller
 * [Welcome to the Java Workshop](http://javaworkshop.sourceforge.net) - An Apache Project
 * [What's New in Java 8](https://leanpub.com/whatsnewinjava8/read) - Adam L. Davis