diff --git a/src/mainboard/google/link/mainboard_smi.c b/src/mainboard/google/link/mainboard_smi.c
index c545a86b30..24fa8b5ce4 100644
--- a/src/mainboard/google/link/mainboard_smi.c
+++ b/src/mainboard/google/link/mainboard_smi.c
@@ -27,9 +27,6 @@
 #include <cpu/intel/model_206ax/model_206ax.h>
 #include <elog.h>
 
-/* Include romstage serial for SIO helper functions */
-#include <superio/ite/it8772f/early_serial.c>
-
 /* Include EC functions */
 #include <ec/google/chromeec/ec.h>
 #include "ec.h"
diff --git a/src/mainboard/google/stout/mainboard_smi.c b/src/mainboard/google/stout/mainboard_smi.c
index 44dc46e345..7ab3cc5014 100644
--- a/src/mainboard/google/stout/mainboard_smi.c
+++ b/src/mainboard/google/stout/mainboard_smi.c
@@ -26,9 +26,6 @@
 #include <northbridge/intel/sandybridge/sandybridge.h>
 #include <cpu/intel/model_206ax/model_206ax.h>
 
-/* Include romstage serial for SIO helper functions */
-#include <superio/ite/it8772f/early_serial.c>
-
 /* Include EC functions */
 #include <ec/quanta/it8518/ec.h>
 #include "ec.h"