diff --git a/target/linux/ath25/image/Makefile b/target/linux/ath25/image/Makefile
index 8fd3b554e1..f273467db0 100644
--- a/target/linux/ath25/image/Makefile
+++ b/target/linux/ath25/image/Makefile
@@ -81,6 +81,7 @@ TARGET_DEVICES += ubnt2-pico2
 define Device/ubnt2
   DEVICE_TITLE := Ubiquiti XS2
   IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | mkfwimage XS2 -v XS2.ar2316
+  DEFAULT := n
 endef
 TARGET_DEVICES += ubnt2
 
diff --git a/target/linux/ath79/image/tiny.mk b/target/linux/ath79/image/tiny.mk
index 41f1eb4305..9f4f89bd9a 100644
--- a/target/linux/ath79/image/tiny.mk
+++ b/target/linux/ath79/image/tiny.mk
@@ -12,6 +12,7 @@ define Device/buffalo_whr-g301n
 	buffalo-tag WHR-G301N 3
   IMAGE/tftp.bin := $$(IMAGE/default) | buffalo-tftp-header
   SUPPORTED_DEVICES += whr-g301n
+  DEFAULT := n
 endef
 TARGET_DEVICES += buffalo_whr-g301n