The following constants from include/common.h are only used in src/libs/zbxdbupgrade/dbupgrade_3030.c (as a part of ZBXNEXT-1443):

/* item multiplier types */
#define ITEM_MULTIPLIER_DO_NOT_USE		0
#define ITEM_MULTIPLIER_USE			1

/* item delta types */
#define ITEM_STORE_AS_IS			0
#define ITEM_STORE_SPEED_PER_SECOND		1
#define ITEM_STORE_SIMPLE_CHANGE		2

These definitions should be moved to the respective source file using them or removed completely and replaced in upgrade patch with actual values.