diff --git a/puml-sample/class.pu b/puml-sample/class.pu
deleted file mode 100644
index 844b66fc5..000000000
--- a/puml-sample/class.pu
+++ /dev/null
@@ -1,17 +0,0 @@
-@startuml
-class A {
-    -int privateField
-    +String publicField
-    -void privateMethod()
-    +int publicMethod()
-}
-
-class B {
-}
-
-class C {
-}
-
-A <|-- B
-B --> C
-@enduml