diff --git a/include/configs/cyrus.h b/include/configs/cyrus.h
index bc7cac4..99b3aef 100644
--- a/include/configs/cyrus.h
+++ b/include/configs/cyrus.h
@@ -476,6 +476,7 @@
 #define CONFIG_CMD_EXT2
 #define CONFIG_EHCI_IS_TDI
 #define CONFIG_USB_KEYBOARD
+#define CONFIG_SYS_STDIO_DEREGISTER
 #define CONFIG_SYS_USB_EVENT_POLL
  /* _VIA_CONTROL_EP  */
 #define CONFIG_CONSOLE_MUX