diff --git a/it87.c b/it87.c
index a595523..da6cd41 100644
--- a/it87.c
+++ b/it87.c
@@ -593,30 +593,27 @@ static const struct it87_devices it87_devices[] = {
 		.name = "it8655",
 		.suffix = "E",
 		.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
-		  | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_AVCC3
+		  | FEAT_TEMP_OFFSET | FEAT_AVCC3
 		  | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_BANK_SEL,
 		.num_temp_limit = 6,
-		.peci_mask = 0x07,
 	},
 	[it8665] = {
 		.name = "it8665",
 		.suffix = "E",
 		.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
-		  | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_AVCC3
+		  | FEAT_TEMP_OFFSET | FEAT_AVCC3
 		  | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_SIX_FANS
 		  | FEAT_SIX_PWM | FEAT_BANK_SEL,
 		.num_temp_limit = 6,
-		.peci_mask = 0x07,
 	},
 	[it8686] = {
 		.name = "it8686",
 		.suffix = "E",
 		.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
-		  | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
+		  | FEAT_TEMP_OFFSET | FEAT_SIX_FANS
 		  | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
 		  | FEAT_SIX_TEMP | FEAT_BANK_SEL | FEAT_SCALING | FEAT_AVCC3,
 		.num_temp_limit = 6,
-		.peci_mask = 0x07,
 	},
 };