diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index 7fa902b1f7c1..f4fc71119cf2 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -76,7 +76,6 @@ struct aer_rpc {
 					 */
 };
 
-extern struct bus_type pcie_port_bus_type;
 irqreturn_t aer_irq(int irq, void *context);
 
 #ifdef CONFIG_ACPI_APEI