diff --git a/arch_init.c b/arch_init.c
index 769ce77e61dc826b7037dc12ee1f1e30419bc8dd..fba0889bc7f5fcdd669cd4cf7d1c8680f8bb3ac5 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -49,6 +49,7 @@
 #include "qmp-commands.h"
 #include "trace.h"
 #include "exec/cpu-all.h"
+#include "hw/acpi/acpi.h"
 
 #ifdef DEBUG_ARCH_INIT
 #define DPRINTF(fmt, ...) \
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 8d75b3421876f07f71f1238cf819c399913efbb2..0d6e72b209d76327d6619e3cc5e508ee3e7e4948 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -52,6 +52,7 @@
 #include "sysemu/arch_init.h"
 #include "qemu/bitmap.h"
 #include "qemu/config-file.h"
+#include "hw/acpi/acpi.h"
 
 /* debug PC/ISA interrupts */
 //#define DEBUG_IRQ
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index cff8013b830c78859b5197de88f828baa53007d3..943758ad30ea961e3332b8262f6d38c02d2b1acc 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -43,6 +43,7 @@
 #include "hw/xen/xen.h"
 #include "exec/memory.h"
 #include "exec/address-spaces.h"
+#include "hw/acpi/acpi.h"
 #include "cpu.h"
 #ifdef CONFIG_XEN
 #  include <xen/hvm/hvm_info_table.h>
diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
index e18ef28fd32d1b064fb116289c76d458bd4587b7..4cd52c1b361bd90f7125ebd63bc865b12b0c3c51 100644
--- a/include/hw/acpi/acpi.h
+++ b/include/hw/acpi/acpi.h
@@ -154,4 +154,11 @@ void acpi_gpe_reset(ACPIREGS *ar);
 void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
 uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
 
+/* acpi.c */
+extern int acpi_enabled;
+extern char unsigned *acpi_tables;
+extern size_t acpi_tables_len;
+
+void acpi_table_add(const QemuOpts *opts, Error **errp);
+
 #endif /* !QEMU_HW_ACPI_H */
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 5d40914f491214c6c7c224f902dbdced7bac4536..9bcc8193b7aced0e8f3902a482c2067a72d45394 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -107,14 +107,6 @@ void cpu_smm_register(cpu_set_smm_t callback, void *arg);
 
 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
 
-/* acpi.c */
-extern int acpi_enabled;
-extern char unsigned *acpi_tables;
-extern size_t acpi_tables_len;
-
-void acpi_bios_init(void);
-void acpi_table_add(const QemuOpts *opts, Error **errp);
-
 /* acpi_piix.c */
 
 i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,