diff --git a/drivers/renesas/rcar/emmc/emmc_config.h b/drivers/renesas/rcar/emmc/emmc_config.h
index 686ccb9..16b6b8a 100644
--- a/drivers/renesas/rcar/emmc/emmc_config.h
+++ b/drivers/renesas/rcar/emmc/emmc_config.h
@@ -1,40 +1,20 @@
 /*
- * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-/**
- * @file  emmc_config.h
- * @brief Configuration file
- *
- */
-
 #ifndef EMMC_CONFIG_H
 #define EMMC_CONFIG_H
 
-/* ************************ HEADER (INCLUDE) SECTION *********************** */
-
-/* ***************** MACROS, CONSTANTS, COMPILATION FLAGS ****************** */
-
-/** @brief MMC driver config
- */
-#define EMMC_RCA                1UL	/* RCA  */
-#define EMMC_RW_DATA_TIMEOUT    0x40UL	/* 314ms (freq = 400KHz, timeout Counter = 0x04(SDCLK * 2^17)  */
-#define EMMC_RETRY_COUNT        0	/* how many times to try after fail. Don't change. */
-#define EMMC_CMD_MAX            60UL	/* Don't change. */
-
-/** @brief etc
- */
-#define LOADIMAGE_FLAGS_DMA_ENABLE              0x00000001UL
-
-/* ********************** STRUCTURES, TYPE DEFINITIONS ********************* */
-
-/* ********************** DECLARATION OF EXTERNAL DATA ********************* */
-
-/* ************************** FUNCTION PROTOTYPES ************************** */
+/* RCA */
+#define EMMC_RCA		1UL
+/* 314ms (freq = 400KHz, timeout Counter = 0x04(SDCLK * 2^17)  */
+#define EMMC_RW_DATA_TIMEOUT	0x40UL
+/* how many times to try after fail. Don't change. */
+#define EMMC_RETRY_COUNT	0
+#define EMMC_CMD_MAX		60UL	/* Don't change. */
 
-/* ********************************* CODE ********************************** */
+#define LOADIMAGE_FLAGS_DMA_ENABLE	0x00000001UL
 
 #endif /* EMMC_CONFIG_H */
-/* ******************************** END ************************************ */