diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index e1eed05..0ec2f238 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -648,7 +648,6 @@
 
 	if (orig_addr == INVALID_PHYS_ADDR)
 		return;
-	orig_addr += (unsigned long)tlb_addr & (IO_TLB_SIZE - 1);
 
 	switch (target) {
 	case SYNC_FOR_CPU: