diff --git a/src/include/gpxe/scsi.h b/src/include/gpxe/scsi.h
index 9131a29a..97416970 100644
--- a/src/include/gpxe/scsi.h
+++ b/src/include/gpxe/scsi.h
@@ -253,8 +253,6 @@ struct scsi_lun {
 struct scsi_device {
 	/** Block device interface */
 	struct block_device blockdev;
-	/** Logical unit number (LUN) */
-	struct scsi_lun lun;
 	/**
 	 * Issue SCSI command
 	 *
diff --git a/src/net/tcp/iscsi.c b/src/net/tcp/iscsi.c
index 74da05d6..771384b9 100644
--- a/src/net/tcp/iscsi.c
+++ b/src/net/tcp/iscsi.c
@@ -1763,7 +1763,6 @@ int iscsi_attach ( struct scsi_device *scsi, const char *root_path ) {
 	/* Attach parent interface, mortalise self, and return */
 	scsi->backend = ref_get ( &iscsi->refcnt );
 	scsi->command = iscsi_command;
-	scsi->lun = iscsi->lun;
 	ref_put ( &iscsi->refcnt );
 	return 0;