diff --git a/arch/h8300/Kbuild b/arch/h8300/Kbuild
index a4e40e534e6a..b2583e7efbd1 100644
--- a/arch/h8300/Kbuild
+++ b/arch/h8300/Kbuild
@@ -1 +1,2 @@
 # SPDX-License-Identifier: GPL-2.0-only
+obj-y	+= kernel/ mm/ boot/dts/
diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile
index ba0f26cfad61..eb4cb8f6830c 100644
--- a/arch/h8300/Makefile
+++ b/arch/h8300/Makefile
@@ -30,9 +30,6 @@ ifeq ($(CROSS_COMPILE),)
 CROSS_COMPILE := $(call cc-cross-prefix, h8300-unknown-linux- h8300-linux-)
 endif
 
-core-y	+= arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
-core-y	+= arch/$(ARCH)/boot/dts/
-
 libs-y	+= arch/$(ARCH)/lib/
 
 boot := arch/h8300/boot