diff --git a/target/linux/ath79/Makefile b/target/linux/ath79/Makefile
index 82f6317ac66..a0dc96ca094 100644
--- a/target/linux/ath79/Makefile
+++ b/target/linux/ath79/Makefile
@@ -6,7 +6,7 @@ BOARDNAME:=Atheros ATH79 (DTS)
 CPU_TYPE:=24kc
 SUBTARGETS:=generic nand tiny
 
-FEATURES:=ramdisk
+FEATURES:=ramdisk source-only
 
 KERNEL_PATCHVER:=4.14