diff --git a/arch/arm/Kbuild b/arch/arm/Kbuild
index 2f267e3378b..9806cfd3b23 100644
--- a/arch/arm/Kbuild
+++ b/arch/arm/Kbuild
@@ -1,2 +1,7 @@
+subdir-ccflags-y +=-I$(srctree)/include/drivers
+subdir-ccflags-y +=-I$(srctree)/drivers
+subdir-ccflags-y +=-I$(srctree)/arch/arm/platforms/$(subst $(DQUOTE),,$(CONFIG_PLATFORM))
+subdir-asflags-y := ${subdir-ccflags-y}
+
 obj-y += core/
 obj-y += platforms/$(subst $(DQUOTE),,$(CONFIG_PLATFORM))/
diff --git a/arch/arm/platforms/fsl_frdm_k64f/Makefile b/arch/arm/platforms/fsl_frdm_k64f/Makefile
index 5287e16a9ef..0fca46cbbb9 100644
--- a/arch/arm/platforms/fsl_frdm_k64f/Makefile
+++ b/arch/arm/platforms/fsl_frdm_k64f/Makefile
@@ -1,10 +1,3 @@
-ccflags-y +=-I$(srctree)/include/drivers
-ccflags-y +=-I$(srctree)/drivers
-ccflags-y +=-I$(srctree)/arch/arm/platforms/fsl_frdm_k64f
-
-asflags-y := ${ccflags-y}
-
-
 obj-y += platform_config.o
 obj-y += system.o
 obj-y += nmi_on_reset.o
diff --git a/arch/arm/platforms/ti_lm3s6965/Makefile b/arch/arm/platforms/ti_lm3s6965/Makefile
index b1030e1ad4f..e7509197aa0 100644
--- a/arch/arm/platforms/ti_lm3s6965/Makefile
+++ b/arch/arm/platforms/ti_lm3s6965/Makefile
@@ -1,10 +1,3 @@
-ccflags-y +=-I$(srctree)/include/drivers
-ccflags-y +=-I$(srctree)/drivers
-ccflags-y +=-I$(srctree)/arch/arm/platforms/ti_lm3s6965
-
-asflags-y := ${ccflags-y}
-
-
 obj-y += platform_config.o
 obj-y += system.o
 obj-y += nmi_on_reset.o