diff --git a/README.md b/README.md
index 401f91d..689e535 100644
--- a/README.md
+++ b/README.md
@@ -23,14 +23,3 @@ Shared groovy libraries
 
 ## Make
 Common Makefile include
-
-# Mermaid test
-```mermaid
-stateDiagram-v2
-   [*] --> select_date
-   select_date --> select_time
-   select_time --> current_status
-   current_status --> cancel: status_available
-   current_status --> [*]: status_over
-   cancel --> [*]
-```