diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c
index 50540d4d4948..3843d2576d3f 100644
--- a/drivers/acpi/acpi_lpit.c
+++ b/drivers/acpi/acpi_lpit.c
@@ -10,6 +10,7 @@
 #include <linux/acpi.h>
 #include <asm/msr.h>
 #include <asm/tsc.h>
+#include "internal.h"
 
 struct lpit_residency_info {
 	struct acpi_generic_address gaddr;
diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c
index a690c7b18623..6677955b4a8e 100644
--- a/drivers/acpi/ioapic.c
+++ b/drivers/acpi/ioapic.c
@@ -24,6 +24,7 @@
 #include <linux/acpi.h>
 #include <linux/pci.h>
 #include <acpi/acpi.h>
+#include "internal.h"
 
 struct acpi_pci_ioapic {
 	acpi_handle	root_handle;