diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 1b08ce8..ea599d4 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -139,28 +139,7 @@
 
 #ifdef CONFIG_INTEL_IOMMU
 extern int iommu_detected, no_iommu;
-extern struct list_head dmar_rmrr_units;
-struct dmar_rmrr_unit {
-	struct list_head list;		/* list of rmrr units	*/
-	struct acpi_dmar_header *hdr;	/* ACPI header		*/
-	u64	base_address;		/* reserved base address*/
-	u64	end_address;		/* reserved end address */
-	struct pci_dev **devices;	/* target devices */
-	int	devices_cnt;		/* target device count */
-};
-
-#define for_each_rmrr_units(rmrr) \
-	list_for_each_entry(rmrr, &dmar_rmrr_units, list)
-
-struct dmar_atsr_unit {
-	struct list_head list;		/* list of ATSR units */
-	struct acpi_dmar_header *hdr;	/* ACPI header */
-	struct pci_dev **devices;	/* target devices */
-	int devices_cnt;		/* target device count */
-	u8 include_all:1;		/* include all ports */
-};
-
-int dmar_parse_rmrr_atsr_dev(void);
+extern int dmar_parse_rmrr_atsr_dev(void);
 extern int dmar_parse_one_rmrr(struct acpi_dmar_header *header);
 extern int dmar_parse_one_atsr(struct acpi_dmar_header *header);
 extern int intel_iommu_init(void);