diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index 1264253cc07b..6332db8044bd 100644
--- a/drivers/misc/cxl/vphb.c
+++ b/drivers/misc/cxl/vphb.c
@@ -67,12 +67,6 @@ static void cxl_pci_disable_device(struct pci_dev *dev)
 	}
 }
 
-static resource_size_t cxl_pci_window_alignment(struct pci_bus *bus,
-						unsigned long type)
-{
-	return 1;
-}
-
 static void cxl_pci_reset_secondary_bus(struct pci_dev *dev)
 {
 	/* Should we do an AFU reset here ? */
@@ -200,7 +194,6 @@ static struct pci_controller_ops cxl_pci_controller_ops =
 	.enable_device_hook = cxl_pci_enable_device_hook,
 	.disable_device = cxl_pci_disable_device,
 	.release_device = cxl_pci_disable_device,
-	.window_alignment = cxl_pci_window_alignment,
 	.reset_secondary_bus = cxl_pci_reset_secondary_bus,
 	.setup_msi_irqs = cxl_setup_msi_irqs,
 	.teardown_msi_irqs = cxl_teardown_msi_irqs,