diff --git a/include/asm-x86/gart.h b/include/asm-x86/gart.h
index 417f76e..33b9aee 100644
--- a/include/asm-x86/gart.h
+++ b/include/asm-x86/gart.h
@@ -1,40 +1,14 @@
-#ifndef _ASM_X8664_IOMMU_H
-#define _ASM_X8664_IOMMU_H 1
+#ifndef _ASM_X8664_GART_H
+#define _ASM_X8664_GART_H 1
 
 #include <asm/e820.h>
+#include <asm/iommu.h>
 
-extern void pci_iommu_shutdown(void);
-extern void no_iommu_init(void);
-extern int force_iommu, no_iommu;
-extern int iommu_detected;
-extern int agp_amd64_init(void);
-#ifdef CONFIG_GART_IOMMU
-extern void gart_iommu_init(void);
-extern void gart_iommu_shutdown(void);
-extern void __init gart_parse_options(char *);
-extern void early_gart_iommu_check(void);
-extern void gart_iommu_hole_init(void);
 extern void set_up_gart_resume(u32, u32);
+
 extern int fallback_aper_order;
 extern int fallback_aper_force;
-extern int gart_iommu_aperture;
-extern int gart_iommu_aperture_allowed;
-extern int gart_iommu_aperture_disabled;
 extern int fix_aperture;
-#else
-#define gart_iommu_aperture		0
-#define gart_iommu_aperture_allowed	0
-#define gart_iommu_aperture_disabled	1
-
-static inline void early_gart_iommu_check(void)
-{
-}
-
-static inline void gart_iommu_shutdown(void)
-{
-}
-
-#endif
 
 /* PTE bits. */
 #define GPTE_VALID	1