diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
index 4e9c05c2fdc1..9ae1e279864a 100644
--- a/arch/arm/plat-omap/include/plat/iommu.h
+++ b/arch/arm/plat-omap/include/plat/iommu.h
@@ -153,12 +153,9 @@ struct iommu_platform_data {
 extern u32 iommu_arch_version(void);
 
 extern void iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e);
-extern void iommu_set_twl(struct iommu *obj, bool on);
-extern void flush_iotlb_range(struct iommu *obj, u32 start, u32 end);
 
 extern int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e);
 
-extern int iommu_set_da_range(struct iommu *obj, u32 start, u32 end);
 extern int iommu_set_isr(const char *name,
 			 int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs,
 				    void *priv),
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 966093a2fcf5..d0f28e73be67 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -362,26 +362,6 @@ static void flush_iotlb_page(struct iommu *obj, u32 da)
 		dev_dbg(obj->dev, "%s: no page for %08x\n", __func__, da);
 }
 
-/**
- * flush_iotlb_range - Clear an iommu tlb entries
- * @obj:	target iommu
- * @start:	iommu device virtual address(start)
- * @end:	iommu device virtual address(end)
- *
- * Clear an iommu tlb entry which includes 'da' address.
- **/
-void flush_iotlb_range(struct iommu *obj, u32 start, u32 end)
-{
-	u32 da = start;
-
-	while (da < end) {
-		flush_iotlb_page(obj, da);
-		/* FIXME: Optimize for multiple page size */
-		da += IOPTE_SIZE;
-	}
-}
-EXPORT_SYMBOL_GPL(flush_iotlb_range);
-
 /**
  * flush_iotlb_all - Clear all iommu tlb entries
  * @obj:	target iommu
@@ -401,23 +381,6 @@ static void flush_iotlb_all(struct iommu *obj)
 	clk_disable(obj->clk);
 }
 
-/**
- * iommu_set_twl - enable/disable table walking logic
- * @obj:	target iommu
- * @on:		enable/disable
- *
- * Function used to enable/disable TWL. If one wants to work
- * exclusively with locked TLB entries and receive notifications
- * for TLB miss then call this function to disable TWL.
- */
-void iommu_set_twl(struct iommu *obj, bool on)
-{
-	clk_enable(obj->clk);
-	arch_iommu->set_twl(obj, on);
-	clk_disable(obj->clk);
-}
-EXPORT_SYMBOL_GPL(iommu_set_twl);
-
 #if defined(CONFIG_OMAP_IOMMU_DEBUG_MODULE)
 
 ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t bytes)
@@ -853,28 +816,6 @@ static int device_match_by_alias(struct device *dev, void *data)
 	return strcmp(obj->name, name) == 0;
 }
 
-/**
- * iommu_set_da_range - Set a valid device address range
- * @obj:		target iommu
- * @start		Start of valid range
- * @end			End of valid range
- **/
-int iommu_set_da_range(struct iommu *obj, u32 start, u32 end)
-{
-
-	if (!obj)
-		return -EFAULT;
-
-	if (end < start || !PAGE_ALIGN(start | end))
-		return -EINVAL;
-
-	obj->da_start = start;
-	obj->da_end = end;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(iommu_set_da_range);
-
 /**
  * omap_find_iommu_device() - find an omap iommu device by name
  * @name:	name of the iommu device