diff --git a/free-programming-interactive-tutorials-en.md b/free-programming-interactive-tutorials-en.md
index d9884937..c1139f04 100644
--- a/free-programming-interactive-tutorials-en.md
+++ b/free-programming-interactive-tutorials-en.md
@@ -146,7 +146,6 @@
 ### NoSQL
 
 * [MongoDB Koans](https://github.com/chicagoruby/MongoDB_Koans)
-* [Try MongoDB](https://university.mongodb.com)
 * [Try Redis](http://try.redis.io)