diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index ea04e4d30bbfc44e039995ac0ccfb161eb49f956..f9efa6ba99f569accc4f23864f30ad6665ae5a0e 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -138,15 +138,6 @@ void omap_iommu_restore_ctx(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(omap_iommu_restore_ctx);
 
-/**
- * omap_iommu_arch_version - Return running iommu arch version
- **/
-u32 omap_iommu_arch_version(void)
-{
-	return arch_iommu->version;
-}
-EXPORT_SYMBOL_GPL(omap_iommu_arch_version);
-
 static int iommu_enable(struct omap_iommu *obj)
 {
 	int err;
diff --git a/drivers/iommu/omap-iommu.h b/drivers/iommu/omap-iommu.h
index d7c51327cd25b93aeded5f774dacf4e3c993e2c6..45fe67d641e2513cd7b60395ada0093a7c71b34d 100644
--- a/drivers/iommu/omap-iommu.h
+++ b/drivers/iommu/omap-iommu.h
@@ -70,8 +70,6 @@ struct cr_regs {
 
 /* architecture specific functions */
 struct iommu_functions {
-	unsigned long	version;
-
 	int (*enable)(struct omap_iommu *obj);
 	void (*disable)(struct omap_iommu *obj);
 	void (*set_twl)(struct omap_iommu *obj, bool on);
@@ -191,8 +189,6 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
 /*
  * global functions
  */
-extern u32 omap_iommu_arch_version(void);
-
 extern void omap_iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e);
 
 extern int
diff --git a/drivers/iommu/omap-iommu2.c b/drivers/iommu/omap-iommu2.c
index 5e1ea3b0bf16e0a8b917da634389c9bcb21f981b..2f6a9f76c6ee61b5d7b958c5dde8ba4c3a92aa46 100644
--- a/drivers/iommu/omap-iommu2.c
+++ b/drivers/iommu/omap-iommu2.c
@@ -297,8 +297,6 @@ static void omap2_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e)
 }
 
 static const struct iommu_functions omap2_iommu_ops = {
-	.version	= IOMMU_ARCH_VERSION,
-
 	.enable		= omap2_iommu_enable,
 	.disable	= omap2_iommu_disable,
 	.set_twl	= omap2_iommu_set_twl,