diff --git a/README.md b/README.md
index cb17259..f843560 100755
--- a/README.md
+++ b/README.md
@@ -15,7 +15,6 @@
 ## Contents
 
 * [Introduction](#introduction)
-* [Compatibility](#compatibility)
 * [Main features](#main-features)
 * [BASIC at a glance](#basic-at-a-glance)
 * [Awesome](#awesome)
@@ -31,18 +30,6 @@ MY-BASIC is a lightweight BASIC interpreter written in standard C, with only dua
 
 The prefix "MY-" in the name means either literally "My" or "Make Your".
 
-## Compatibility
-
-It fits well on a large scale of Workstation, PC, Tablet, Pad, Mobile Phone, PDA, Game Console, Raspberry Pi, Arduino and MCU; totally portable to Windows, macOS, Unix, Linux, iOS, Android, etc.
-
-**For Arduino**
-
-There is an Arduino porting of the interpreter, with a totally rewritten shell and a user manual. See [MY-BASIC ARDU](https://my-basic.github.io/ardu/) for details.
-
-<a href="https://my-basic.github.io/ardu/">
-<img src="https://upload.wikimedia.org/wikipedia/commons/8/87/Arduino_Logo.svg" width="64">
-</a>
-
 ## Main features
 
 MY-BASIC is a dynamic typed programming language with BASIC syntax and has a very dynamic nature; it makes it flexible and easy to use. MY-BASIC offers a wide range of features including: