diff --git a/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom b/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
index b1e4cd0038d..ddcef7b685e 100644
--- a/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
+++ b/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
@@ -9,10 +9,6 @@ board=$(board_name)
 case "$FIRMWARE" in
 "ath9k-eeprom-ahb-18100000.wmac.bin")
 	case $board in
-	8dev,carambola3|\
-	8dev,lima)
-		caldata_extract "art" 0x1000 0x800
-		;;
 	aruba,ap-115)
 		caldata_extract "oemdata" 0x1000 0x440
 		;;
diff --git a/target/linux/ath79/nand/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom b/target/linux/ath79/nand/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
index c4ccb04f5bc..ca722040f6e 100644
--- a/target/linux/ath79/nand/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
+++ b/target/linux/ath79/nand/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
@@ -9,9 +9,6 @@ board=$(board_name)
 case "$FIRMWARE" in
 "ath9k-eeprom-ahb-18100000.wmac.bin")
 	case $board in
-	8dev,rambutan)
-		caldata_extract "caldata" 0x1000 0x800
-		;;
 	meraki,mr18)
 		. /lib/upgrade/nand.sh