diff --git a/target/linux/ramips/image/mt7620.mk b/target/linux/ramips/image/mt7620.mk
index 75cd8184e2c..e0a47b73407 100644
--- a/target/linux/ramips/image/mt7620.mk
+++ b/target/linux/ramips/image/mt7620.mk
@@ -33,7 +33,6 @@ define Device/alfa-network_ac1200rm
   IMAGE_SIZE := 16064k
   DEVICE_TITLE := ALFA Network AC1200RM
   DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci
-  SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
 endef
 TARGET_DEVICES += alfa-network_ac1200rm
 
diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
index 4362c3bc433..c0b243c3c36 100644
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -24,7 +24,6 @@ define Device/alfa-network_awusfree1
   IMAGE_SIZE := $(ralink_default_fw_size_8M)
   DEVICE_TITLE := ALFA Network AWUSFREE1
   DEVICE_PACKAGES := uboot-envtools
-  SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
 endef
 TARGET_DEVICES += alfa-network_awusfree1