diff --git a/OMX-27-firmware/src/consts.h b/OMX-27-firmware/src/consts.h
index 4914a71d..a87b24f2 100644
--- a/OMX-27-firmware/src/consts.h
+++ b/OMX-27-firmware/src/consts.h
@@ -3,7 +3,7 @@
 // OMX-27 shared constants
 
 // HW_VERSIONS
-#define DEV         1
+#define DEV         0
 #define T4          1
 #define MIDIONLY    0