diff --git a/singleton/README.md b/singleton/README.md
index 80b007913..f8559d694 100644
--- a/singleton/README.md
+++ b/singleton/README.md
@@ -59,10 +59,6 @@ enumIvoryTower1=com.iluwatar.singleton.EnumIvoryTower@1221555852
 enumIvoryTower2=com.iluwatar.singleton.EnumIvoryTower@1221555852
 ```
 
-## Class diagram
-
-![Singleton](./etc/singleton.urm.png "Singleton pattern class diagram")
-
 ## Applicability
 
 Use the Singleton pattern when