diff --git a/board/ti/beagle/beagle.h b/board/ti/beagle/beagle.h
index 76be358..6dd2ffe 100644
--- a/board/ti/beagle/beagle.h
+++ b/board/ti/beagle/beagle.h
@@ -23,8 +23,7 @@
 #define REVISION_AXBX	0x7
 #define REVISION_CX	0x6
 #define REVISION_C4	0x5
-#define REVISION_XM_A	0x0
-#define REVISION_XM_B	0x1
+#define REVISION_XM_AB	0x0
 #define REVISION_XM_C	0x2
 
 /*