diff --git a/linux/linux.mk b/linux/linux.mk
index 7ec9cd244b..fe5f738ed6 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -202,7 +202,6 @@ endif
 endif
 
 ifeq ($(BR2_LINUX_KERNEL_APPENDED_UIMAGE),y)
-define LINUX_APPEND_DTB
 define LINUX_APPEND_DTB
 	# dtbs moved from arch/$ARCH/boot to arch/$ARCH/boot/dts since 3.8-rc1
 	cat $(wildcard $(addprefix $(KERNEL_ARCH_PATH)/boot/,\