diff --git a/hw/pci_ids.h b/hw/pci_ids.h
index 2fe60eebe7..3afe6748f2 100644
--- a/hw/pci_ids.h
+++ b/hw/pci_ids.h
@@ -35,9 +35,6 @@
 #define PCI_CLASS_BRIDGE_PCI             0x0604
 #define PCI_CLASS_BRIDGE_OTHER           0x0680
 
-#define PCI_CLASS_SERIAL_OTHER           0x0780
-
-#define PCI_CLASS_PROCESSOR_CO           0x0b40
 #define PCI_CLASS_COMMUNICATION_OTHER    0x0780
 
 #define PCI_CLASS_PROCESSOR_CO           0x0b40