diff --git a/src/southbridge/intel/i82801gx/lpc.c b/src/southbridge/intel/i82801gx/lpc.c
index a44bbf967c..6cfd3e475f 100644
--- a/src/southbridge/intel/i82801gx/lpc.c
+++ b/src/southbridge/intel/i82801gx/lpc.c
@@ -15,7 +15,6 @@
 #include <cpu/x86/smm.h>
 #include <acpi/acpigen.h>
 #include <arch/smp/mpspec.h>
-#include <string.h>
 #include <southbridge/intel/common/acpi_pirq_gen.h>
 #include <southbridge/intel/common/hpet.h>
 #include <southbridge/intel/common/pmbase.h>
diff --git a/src/southbridge/intel/i82801ix/lpc.c b/src/southbridge/intel/i82801ix/lpc.c
index ed1ced6cf0..25a4069e7e 100644
--- a/src/southbridge/intel/i82801ix/lpc.c
+++ b/src/southbridge/intel/i82801ix/lpc.c
@@ -14,7 +14,6 @@
 #include <acpi/acpi.h>
 #include <cpu/x86/smm.h>
 #include <acpi/acpigen.h>
-#include <string.h>
 #include "chip.h"
 #include "i82801ix.h"
 #include <southbridge/intel/common/pciehp.h>
diff --git a/src/southbridge/intel/i82801jx/lpc.c b/src/southbridge/intel/i82801jx/lpc.c
index a279834269..cb80cae2a7 100644
--- a/src/southbridge/intel/i82801jx/lpc.c
+++ b/src/southbridge/intel/i82801jx/lpc.c
@@ -15,7 +15,6 @@
 #include <cpu/x86/smm.h>
 #include <acpi/acpigen.h>
 #include <arch/smp/mpspec.h>
-#include <string.h>
 #include "chip.h"
 #include "i82801jx.h"
 #include <southbridge/intel/common/pciehp.h>
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index 3309283187..ed0e03c5f1 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -15,7 +15,6 @@
 #include <acpi/acpi.h>
 #include <elog.h>
 #include <acpi/acpigen.h>
-#include <string.h>
 #include <cpu/x86/smm.h>
 #include "chip.h"
 #include "pch.h"
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index 9c07c342b9..a9e2c17e38 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -12,7 +12,6 @@
 #include <arch/ioapic.h>
 #include <acpi/acpi.h>
 #include <cpu/x86/smm.h>
-#include <string.h>
 #include "chip.h"
 #include "iobp.h"
 #include "pch.h"