diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index 55ddb1842107b8542735a4b1032d0c49dddf81e1..b92efb307e2ece8a956f52bd984fb9a3083fe5fa 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -4,12 +4,6 @@
 #include <linux/types.h>
 #include <asm/pgtable.h>
 
-extern unsigned long parisc_vmerge_boundary;
-extern unsigned long parisc_vmerge_max_size;
-
-#define BIO_VMERGE_BOUNDARY	parisc_vmerge_boundary
-#define BIO_VMERGE_MAX_SIZE	parisc_vmerge_max_size
-
 #define virt_to_phys(a) ((unsigned long)__pa(a))
 #define phys_to_virt(a) __va(a)
 #define virt_to_bus virt_to_phys
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 7d27853ff8c8b6233ec4a0e1f2fe3747fbbf88aa..8d8b0248a4a9497cffe8ea1d30b48f9e064a20d9 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -58,11 +58,6 @@ int parisc_bus_is_phys __read_mostly = 1;	/* Assume no IOMMU is present */
 EXPORT_SYMBOL(parisc_bus_is_phys);
 #endif
 
-/* This sets the vmerge boundary and size, it's here because it has to
- * be available on all platforms (zero means no-virtual merging) */
-unsigned long parisc_vmerge_boundary = 0;
-unsigned long parisc_vmerge_max_size = 0;
-
 void __init setup_cmdline(char **cmdline_p)
 {
 	extern unsigned int boot_args[];
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 5ff90dd26fe650f527b910f791b86fa2516dfe91..cd4dd7ed2c06b60fd471319fc6ef78fca8a91184 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -1578,8 +1578,6 @@ static int __init ccio_probe(struct parisc_device *dev)
 
 	ioc_count++;
 
-	parisc_vmerge_boundary = IOVP_SIZE;
-	parisc_vmerge_max_size = BITS_PER_LONG * IOVP_SIZE;
 	parisc_has_iommu();
 	return 0;
 }
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 34763e27a9c1cc80ec3105dd6c868e48fc2e437f..3fac8f81d59d4df607efb7871e9bce0f595c182a 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1978,8 +1978,6 @@ static int sba_driver_callback(struct parisc_device *dev)
 	proc_create("sba_iommu-bitmap", 0, root, &sba_proc_bitmap_fops);
 #endif
 
-	parisc_vmerge_boundary = IOVP_SIZE;
-	parisc_vmerge_max_size = IOVP_SIZE * BITS_PER_LONG;
 	parisc_has_iommu();
 	return 0;
 }