diff --git a/target/linux/arc770/generic/target.mk b/target/linux/arc770/generic/target.mk
index 15f598ee16..2ca59b579b 100644
--- a/target/linux/arc770/generic/target.mk
+++ b/target/linux/arc770/generic/target.mk
@@ -1,5 +1,5 @@
 BOARDNAME:=Generic
-FEATURES += ramdisk usb ext4
+FEATURES += ramdisk usb ext4 source-only
 
 define Target/Description
 	Build firmware images for generic ARC 770D based boards.