diff --git a/target/linux/apm821xx/image/Makefile b/target/linux/apm821xx/image/Makefile
index d732141c8f..c26c015751 100644
--- a/target/linux/apm821xx/image/Makefile
+++ b/target/linux/apm821xx/image/Makefile
@@ -230,7 +230,6 @@ define Device/wd_mybooklive
   DEVICE_VENDOR := Western Digital
   DEVICE_MODEL := My Book Live Series (Single + Duo)
   DEVICE_PACKAGES := kmod-usb-dwc2 kmod-usb-ledtrig-usbport kmod-usb-storage kmod-fs-vfat wpad-basic
-  DEVICE_TYPE := nas
   DEVICE_DTS := wd-mybooklive
   SUPPORTED_DEVICES += mbl wd,mybooklive-duo
   BLOCKSIZE := 1k
diff --git a/target/linux/gemini/image/Makefile b/target/linux/gemini/image/Makefile
index a155939b8c..83f3d222d9 100644
--- a/target/linux/gemini/image/Makefile
+++ b/target/linux/gemini/image/Makefile
@@ -171,7 +171,6 @@ define Device/dlink_dns-313
 	DEVICE_VENDOR := D-Link
 	DEVICE_MODEL := DNS-313 1-Bay Network Storage Enclosure
 	DEVICE_DTS := gemini-dlink-dns-313
-	DEVICE_TYPE := nas
 	DEVICE_PACKAGES := $(GEMINI_NAS_PACKAGES)
 	BLOCKSIZE := 1k
 	FILESYSTEMS := ext4
@@ -204,7 +203,6 @@ define Device/raidsonic_ib-4220-b
 	DEVICE_VENDOR := Raidsonic
 	DEVICE_MODEL := NAS IB-4220-B
 	DEVICE_DTS := gemini-nas4220b
-	DEVICE_TYPE := nas
 endef
 TARGET_DEVICES += raidsonic_ib-4220-b
 
diff --git a/target/linux/kirkwood/image/Makefile b/target/linux/kirkwood/image/Makefile
index e69e3f125d..552ee44ee4 100644
--- a/target/linux/kirkwood/image/Makefile
+++ b/target/linux/kirkwood/image/Makefile
@@ -66,7 +66,6 @@ define Device/iom_ix2-200
   DEVICE_MODEL := StorCenter ix2-200
   DEVICE_DTS := kirkwood-iomega_ix2_200
   DEVICE_PACKAGES := kmod-gpio-button-hotplug kmod-hwmon-lm63
-  DEVICE_TYPE:=nas
   PAGESIZE := 512
   SUBPAGESIZE := 256
   BLOCKSIZE := 16k