#define ADT7473_REG_BASE_ADDR                  0x20
 
 #define ADT7473_REG_VOLT_BASE_ADDR             0x21
-#define ADT7473_REG_VOLT_MAX_ADDR              0x22
 #define ADT7473_REG_VOLT_MIN_BASE_ADDR         0x46
-#define ADT7473_REG_VOLT_MIN_MAX_ADDR          0x49
 
 #define ADT7473_REG_TEMP_BASE_ADDR             0x25
-#define ADT7473_REG_TEMP_MAX_ADDR              0x27
 #define ADT7473_REG_TEMP_LIMITS_BASE_ADDR      0x4E
-#define ADT7473_REG_TEMP_LIMITS_MAX_ADDR       0x53
 #define ADT7473_REG_TEMP_TMIN_BASE_ADDR                0x67
-#define ADT7473_REG_TEMP_TMIN_MAX_ADDR         0x69
 #define ADT7473_REG_TEMP_TMAX_BASE_ADDR                0x6A
-#define ADT7473_REG_TEMP_TMAX_MAX_ADDR         0x6C
 
 #define ADT7473_REG_FAN_BASE_ADDR              0x28
-#define ADT7473_REG_FAN_MAX_ADDR               0x2F
 #define ADT7473_REG_FAN_MIN_BASE_ADDR          0x54
-#define ADT7473_REG_FAN_MIN_MAX_ADDR           0x5B
 
 #define ADT7473_REG_PWM_BASE_ADDR              0x30
-#define ADT7473_REG_PWM_MAX_ADDR               0x32
 #define        ADT7473_REG_PWM_MIN_BASE_ADDR           0x64
-#define ADT7473_REG_PWM_MIN_MAX_ADDR           0x66
 #define ADT7473_REG_PWM_MAX_BASE_ADDR          0x38
-#define ADT7473_REG_PWM_MAX_MAX_ADDR           0x3A
 #define ADT7473_REG_PWM_BHVR_BASE_ADDR         0x5C
-#define ADT7473_REG_PWM_BHVR_MAX_ADDR          0x5E
 #define                ADT7473_PWM_BHVR_MASK           0xE0
 #define                ADT7473_PWM_BHVR_SHIFT          5
 
 #define                ADT7473_FAN4_ALARM              0x20
 #define                ADT7473_R1T_SHORT               0x40
 #define                ADT7473_R2T_SHORT               0x80
-#define ADT7473_REG_MAX_ADDR                   0x80
 
 #define ALARM2(x)      ((x) << 8)