diff --git a/src/include/dhcp.h b/src/include/dhcp.h
deleted file mode 100644
index deba219b..00000000
--- a/src/include/dhcp.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef DHCP_H
-#define DHCP_H
-
-#include "stdint.h"
-
-struct dhcp_dev_id {
-	uint8_t		bus_type;
-	uint16_t	vendor_id;
-	uint16_t	device_id;
-} __attribute__ (( packed ));
-
-#endif /* DHCP_H */
diff --git a/src/include/nic.h b/src/include/nic.h
index 186b2ea4..f55db4a5 100644
--- a/src/include/nic.h
+++ b/src/include/nic.h
@@ -18,7 +18,6 @@
 #include <gpxe/eisa.h>
 #include <gpxe/mca.h>
 #include <gpxe/io.h>
-#include "dhcp.h"
 
 typedef enum {
 	DISABLE = 0,
@@ -45,7 +44,6 @@ struct nic {
 	unsigned char		irqno;
 	unsigned int		mbps;
 	duplex_t		duplex;
-	struct dhcp_dev_id	dhcp_dev_id;
 	void			*priv_data;	/* driver private data */
 };