diff --git a/src/northbridge/intel/i440bx/raminit.h b/src/northbridge/intel/i440bx/raminit.h
index 87c799ee5f..1bd5ab6e0f 100644
--- a/src/northbridge/intel/i440bx/raminit.h
+++ b/src/northbridge/intel/i440bx/raminit.h
@@ -9,7 +9,6 @@
 void enable_spd(void);
 void disable_spd(void);
 void sdram_initialize(int s3resume);
-void mainboard_enable_serial(void);
 
 /* Debug */
 #if CONFIG(DEBUG_RAM_SETUP)