diff --git a/src/include/device/device.h b/src/include/device/device.h
index b44a551..772b737 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -102,7 +102,9 @@
 	ROMSTAGE_CONST struct bus *link_list;
 
 	struct device_operations *ops;
+#ifndef __PRE_RAM__
 	const struct chip_operations *chip_ops;
+#endif
 	ROMSTAGE_CONST void *chip_info;
 };
 
@@ -171,7 +173,6 @@
 #define DEVICE_MEM_ALIGN 4096
 
 extern struct device_operations default_dev_ops_root;
-extern struct chip_operations mainboard_ops;
 void pci_domain_read_resources(struct device *dev);
 unsigned int pci_domain_scan_bus(struct device *dev, unsigned int max);
 unsigned int scan_static_bus(device_t bus, unsigned int max);