diff --git a/devicemodel/hw/pci/core.c b/devicemodel/hw/pci/core.c
index f8be1befa..82254efcd 100644
--- a/devicemodel/hw/pci/core.c
+++ b/devicemodel/hw/pci/core.c
@@ -689,7 +689,6 @@ update_bar_address(struct vmctx *ctx, struct pci_vdev *dev, uint64_t addr,
 	int idx, int type, bool ignore_reg_unreg)
 {
 	bool decode = false;
-	uint64_t orig_addr = dev->bar[idx].addr;
 
 	if (!ignore_reg_unreg) {
 		if (dev->bar[idx].type == PCIBAR_IO)
@@ -734,10 +733,6 @@ update_bar_address(struct vmctx *ctx, struct pci_vdev *dev, uint64_t addr,
 
 	if (decode)
 		register_bar(dev, idx);
-
-	/* update bar mapping */
-	if (dev->dev_ops->vdev_update_bar_map && decode)
-		dev->dev_ops->vdev_update_bar_map(ctx, dev, idx, orig_addr);
 }
 
 static struct mmio_rsvd_rgn *
diff --git a/devicemodel/hw/pci/passthrough.c b/devicemodel/hw/pci/passthrough.c
index 8432a1e23..cf754233d 100644
--- a/devicemodel/hw/pci/passthrough.c
+++ b/devicemodel/hw/pci/passthrough.c
@@ -561,39 +561,6 @@ passthru_deinit(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
 	vm_deassign_pcidev(ctx, &pcidev);
 }
 
-static void
-passthru_update_bar_map(struct vmctx *ctx, struct pci_vdev *dev,
-	int idx, uint64_t orig_addr)
-{
-	struct passthru_dev *ptdev;
-
-	if (!dev->arg) {
-		warnx("%s: passthru_dev is NULL", __func__);
-		return;
-	}
-
-	ptdev = (struct passthru_dev *)dev->arg;
-
-	if (ptdev->bar[idx].size == 0 ||
-		idx == ptdev_msix_table_bar(ptdev) ||
-		ptdev->bar[idx].type == PCIBAR_IO)
-		return;
-
-	if (dev->bar[idx].addr + dev->bar[idx].size > PCI_EMUL_MEMLIMIT64 ||
-		orig_addr + dev->bar[idx].size > PCI_EMUL_MEMLIMIT64)
-		return;
-
-	vm_unmap_ptdev_mmio(ctx, ptdev->sel.bus,
-			ptdev->sel.dev, ptdev->sel.func,
-			orig_addr, ptdev->bar[idx].size,
-			ptdev->bar[idx].addr);
-
-	vm_map_ptdev_mmio(ctx, ptdev->sel.bus,
-			ptdev->sel.dev, ptdev->sel.func,
-			dev->bar[idx].addr, ptdev->bar[idx].size,
-			ptdev->bar[idx].addr);
-}
-
 /* bind pin info for pass-through device */
 static void
 passthru_bind_irq(struct vmctx *ctx, struct pci_vdev *dev)
@@ -1333,7 +1300,6 @@ struct pci_vdev_ops passthru = {
 	.vdev_barwrite		= passthru_write,
 	.vdev_barread		= passthru_read,
 	.vdev_phys_access	= passthru_bind_irq,
-	.vdev_update_bar_map	= passthru_update_bar_map,
 	.vdev_write_dsdt	= passthru_write_dsdt,
 };
 DEFINE_PCI_DEVTYPE(passthru);
diff --git a/devicemodel/include/pci_core.h b/devicemodel/include/pci_core.h
index 69950dc01..6e5dc1db6 100644
--- a/devicemodel/include/pci_core.h
+++ b/devicemodel/include/pci_core.h
@@ -71,11 +71,6 @@ struct pci_vdev_ops {
 	/* ops related to physical resources */
 	void	(*vdev_phys_access)(struct vmctx *ctx, struct pci_vdev *dev);
 
-	/* update BAR map callback */
-	void	(*vdev_update_bar_map)(struct vmctx *ctx,
-				struct pci_vdev *dev, int idx,
-				uint64_t orig_addr);
-
 	/* config space read/write callbacks */
 	int	(*vdev_cfgwrite)(struct vmctx *ctx, int vcpu,
 			       struct pci_vdev *pi, int offset,