diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 03b4477..572b784 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -156,9 +156,6 @@
 
 	DBG("dart: build at: %lx, %lx, addr: %x\n", index, npages, uaddr);
 
-	index <<= DART_PAGE_FACTOR;
-	npages <<= DART_PAGE_FACTOR;
-
 	dp = ((unsigned int*)tbl->it_base) + index;
 
 	/* On U3, all memory is contigous, so we can move this
@@ -199,9 +196,6 @@
 
 	DBG("dart: free at: %lx, %lx\n", index, npages);
 
-	index <<= DART_PAGE_FACTOR;
-	npages <<= DART_PAGE_FACTOR;
-
 	dp  = ((unsigned int *)tbl->it_base) + index;
 
 	while (npages--)
@@ -281,7 +275,7 @@
 	iommu_table_dart.it_busno = 0;
 	iommu_table_dart.it_offset = 0;
 	/* it_size is in number of entries */
-	iommu_table_dart.it_size = (dart_tablesize / sizeof(u32)) >> DART_PAGE_FACTOR;
+	iommu_table_dart.it_size = dart_tablesize / sizeof(u32);
 
 	/* Initialize the common IOMMU code */
 	iommu_table_dart.it_base = (unsigned long)dart_vbase;