diff --git a/Grbl_Esp32/src/Grbl.h b/Grbl_Esp32/src/Grbl.h
index 82a85a84..46614405 100644
--- a/Grbl_Esp32/src/Grbl.h
+++ b/Grbl_Esp32/src/Grbl.h
@@ -22,7 +22,6 @@
 
 // Grbl versioning system
 
-const char* const GRBL_VERSION       = "1.3a";
 const char* const GRBL_VERSION_BUILD = "20210213";
 
 //#include <sdkconfig.h>
diff --git a/README.md b/README.md
index bf7b16b4..743a5d9f 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ The Wifi and WebUI is based on [this project.](https://github.com/luc-github/ESP
 
 ### Contribute
 
-![](http://www.buildlog.net/blog/wp-content/uploads/2018/07/slack_hash_128.png)   There is a slack channel for the development this project. Ask for an Invite
+<img src="https://discord.com/assets/e05ead6e6ebc08df9291738d0aa6986d.png" width="8%"> There is a Discord server for the development this project. Ask for an invite
 
 ### FAQ