diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 934d5aaee22f..9cf07f6322f8 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -1286,6 +1286,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
 	kfree(adapter->tx_ring);
 	kfree(adapter->rx_ring);
 
+	if (hw->mac_type == e1000_ce4100)
+		iounmap(ce4100_gbe_mdio_base_virt);
 	iounmap(hw->hw_addr);
 	if (hw->flash_address)
 		iounmap(hw->flash_address);