diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index b67dcbbb37..1bb73c3e9a 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -59,6 +59,7 @@
 #include "hw/acpi/pcihp.h"
 #include "hw/i386/fw_cfg.h"
 #include "hw/i386/ich9.h"
+#include "hw/i386/pc.h"
 #include "hw/pci/pci_bus.h"
 #include "hw/pci-host/i440fx.h"
 #include "hw/pci-host/q35.h"
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index e3385ca7be..ce946760bb 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -40,8 +40,8 @@
 #include "hw/irq.h"
 #include "hw/isa/apm.h"
 #include "hw/pci/pci.h"
-#include "hw/pci/pci_bridge.h"
 #include "hw/i386/ich9.h"
+#include "hw/i386/pc.h"
 #include "hw/acpi/acpi.h"
 #include "hw/acpi/ich9.h"
 #include "hw/pci/pci_bus.h"
diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h
index d29090a9b7..3125863049 100644
--- a/include/hw/i386/ich9.h
+++ b/include/hw/i386/ich9.h
@@ -1,11 +1,13 @@
 #ifndef HW_ICH9_H
 #define HW_ICH9_H
 
-#include "hw/sysbus.h"
-#include "hw/i386/pc.h"
 #include "hw/isa/apm.h"
-#include "hw/acpi/acpi.h"
 #include "hw/acpi/ich9.h"
+#include "hw/intc/ioapic.h"
+#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
+#include "exec/memory.h"
+#include "qemu/notify.h"
 #include "qom/object.h"
 
 void ich9_generate_smi(void);