diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
index 965737ac63..a2df0af301 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -97,8 +97,6 @@ ifneq ($(CONFIG_GRUB_IMAGES),)
   endef
 endif
 
-ROOTDELAY=10
-
 define Image/Build/squashfs
 	dd if=/dev/zero bs=128k count=1 >> $(KDIR)/root.squashfs
 endef