diff --git a/ChangeLog b/ChangeLog
index eedc100..fc5f6b5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2016-05-26  NIIBE Yutaka  <gniibe@fsij.org>
 
+	* mcu/kl_sim.h: New (was in example-fs-bb48).
+
 	* example-fs-bb48/adc_kl27z.c: Use DMA0 and DMA1.
 	* example-fs-bb48/command.c (cmd_adc): Rename from
 	cmd_temperature.
diff --git a/clk_gpio_init-kl.c b/clk_gpio_init-kl.c
index cc1591c..dedbac1 100644
--- a/clk_gpio_init-kl.c
+++ b/clk_gpio_init-kl.c
@@ -26,7 +26,7 @@
  *
  */
 
-#include "kl_sim.h"
+#include <mcu/kl_sim.h>
 
 struct MCG {
   volatile uint8_t C1;   /* MCG Control Register 1             */
diff --git a/example-fs-bb48/adc_kl27z.c b/example-fs-bb48/adc_kl27z.c
index 56e4acc..515322c 100644
--- a/example-fs-bb48/adc_kl27z.c
+++ b/example-fs-bb48/adc_kl27z.c
@@ -31,7 +31,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <chopstx.h>
-#include "kl_sim.h"
+#include <mcu/kl_sim.h>
 
 struct DMAMUX {
   volatile uint32_t CHCFG0;
diff --git a/example-fs-bb48/kl_sim.h b/mcu/kl_sim.h
similarity index 100%
rename from example-fs-bb48/kl_sim.h
rename to mcu/kl_sim.h