diff --git a/Grbl_Esp32/Machines/custom_machine_template.h b/Grbl_Esp32/Machines/custom_machine_template.h
deleted file mode 100644
index 7a594cc4..00000000
--- a/Grbl_Esp32/Machines/custom_machine_template.h
+++ /dev/null
@@ -1 +0,0 @@
-// See template.h
diff --git a/Grbl_Esp32/grbl.h b/Grbl_Esp32/grbl.h
index 70a11603..53ced84e 100644
--- a/Grbl_Esp32/grbl.h
+++ b/Grbl_Esp32/grbl.h
@@ -22,7 +22,7 @@
 // Grbl versioning system
 
 #define GRBL_VERSION "1.2a"
-#define GRBL_VERSION_BUILD "20200428"
+#define GRBL_VERSION_BUILD "20200507"
 
 //#include <sdkconfig.h>
 #include <Arduino.h>
diff --git a/Grbl_Esp32/machine.h b/Grbl_Esp32/machine.h
index 6b8fbcee..37a1ce6c 100644
--- a/Grbl_Esp32/machine.h
+++ b/Grbl_Esp32/machine.h
@@ -16,7 +16,7 @@ PWM
 
 // !!! For initial testing, start with test_drive.h which disables
 // all I/O pins
-#include "Machines/3axis_v4.h"
+#include "Machines/test_drive.h"
 
 // !!! For actual use, change the line above to select a board
 // from Machines/, for example: