diff --git a/core/arch/arch.h b/core/arch/arch.h
index 9982b6cbccb..79efddd9614 100644
--- a/core/arch/arch.h
+++ b/core/arch/arch.h
@@ -140,7 +140,6 @@ mixed_mode_enabled(void)
 #    define R12_OFFSET ((MC_OFFS) + (offsetof(priv_mcontext_t, r12)))
 #    define R13_OFFSET ((MC_OFFS) + (offsetof(priv_mcontext_t, r13)))
 #    define R14_OFFSET ((MC_OFFS) + (offsetof(priv_mcontext_t, r14)))
-#    define XFLAGS_OFFSET ((MC_OFFS) + (offsetof(priv_mcontext_t, xflags)))
 #    define PC_OFFSET ((MC_OFFS) + (offsetof(priv_mcontext_t, pc)))
 #    define SCRATCH_REG0 DR_REG_R0
 #    define SCRATCH_REG1 DR_REG_R1