diff --git a/target/linux/octeon/Makefile b/target/linux/octeon/Makefile
index e96218fbf8a..326d33f148e 100644
--- a/target/linux/octeon/Makefile
+++ b/target/linux/octeon/Makefile
@@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk
 ARCH:=mips64
 BOARD:=octeon
 BOARDNAME:=Cavium Networks Octeon
-FEATURES:=squashfs ramdisk pci usb
+FEATURES:=squashfs ramdisk pci source-only usb
 CPU_TYPE:=octeonplus
 
 KERNEL_PATCHVER:=5.10