diff --git a/board/fal_cfg.h b/board/fal_cfg.h
index 14d751e..883bfb7 100644
--- a/board/fal_cfg.h
+++ b/board/fal_cfg.h
@@ -34,7 +34,6 @@ extern const struct fal_flash_dev stm32_onchip_flash_128k;
 /* flash device table */
 #define FAL_FLASH_DEV_TABLE                                          \
 {                                                                    \
-    &stm32_onchip_flash_16k,                                         \
     &stm32_onchip_flash_64k,                                         \
     &stm32_onchip_flash_128k,                                        \
 }
@@ -53,8 +52,7 @@ extern const struct fal_flash_dev stm32_onchip_flash_128k;
  */
 #define FAL_PART_TABLE                                                                                \
 {                                                                                                     \
-    {FAL_PART_MAGIC_WROD, "boot_0",   "onchip_flash_16k",  0 , FLASH_SIZE_GRANULARITY_16K , 0},       \
-    {FAL_PART_MAGIC_WROD, "boot_1",   "onchip_flash_64k",  0 , FLASH_SIZE_GRANULARITY_64K , 0},       \
+    {FAL_PART_MAGIC_WROD, "boot",   "onchip_flash_64k",  0 , FLASH_SIZE_GRANULARITY_16K + FLASH_SIZE_GRANULARITY_64K , 0},         \
     {FAL_PART_MAGIC_WROD, "app",   "onchip_flash_128k", 0 , FLASH_SIZE_APP, 0},                       \
     {FAL_PART_MAGIC_WROD, "ulog",   "onchip_flash_128k", FLASH_OFFSET_LOG , FLASH_SIZE_LOG, 0},       \
 }
diff --git a/libraries/HAL_Drivers/drv_flash/drv_flash_f4.c b/libraries/HAL_Drivers/drv_flash/drv_flash_f4.c
index afca990..2f32516 100644
--- a/libraries/HAL_Drivers/drv_flash/drv_flash_f4.c
+++ b/libraries/HAL_Drivers/drv_flash/drv_flash_f4.c
@@ -361,37 +361,20 @@ __exit:
 
 #if defined(RT_USING_FAL)
 
-static int fal_flash_read_16k(long offset, rt_uint8_t *buf, size_t size);
 static int fal_flash_read_64k(long offset, rt_uint8_t *buf, size_t size);
 static int fal_flash_read_128k(long offset, rt_uint8_t *buf, size_t size);
 
-static int fal_flash_write_16k(long offset, const rt_uint8_t *buf, size_t size);
 static int fal_flash_write_64k(long offset, const rt_uint8_t *buf, size_t size);
 static int fal_flash_write_128k(long offset, const rt_uint8_t *buf, size_t size);
 
-static int fal_flash_erase_16k(long offset, size_t size);
 static int fal_flash_erase_64k(long offset, size_t size);
 static int fal_flash_erase_128k(long offset, size_t size);
 
-const struct fal_flash_dev stm32_onchip_flash_16k =
-{
-    "onchip_flash_16k",
-    STM32_FLASH_START_ADRESS_16K,
-    FLASH_SIZE_GRANULARITY_16K,
-    (16 * 1024),
-    {
-        NULL,
-        fal_flash_read_16k,
-        fal_flash_write_16k,
-        fal_flash_erase_16k,
-    },
-    8,
-};
 const struct fal_flash_dev stm32_onchip_flash_64k =
 {
     "onchip_flash_64k",
-    STM32_FLASH_START_ADRESS_64K,
-    FLASH_SIZE_GRANULARITY_64K,
+    STM32_FLASH_START_ADRESS_16K,
+    FLASH_SIZE_GRANULARITY_64K + FLASH_SIZE_GRANULARITY_16K,
     (64 * 1024),
     {
         NULL,
@@ -416,10 +399,6 @@ const struct fal_flash_dev stm32_onchip_flash_128k =
     8,
 };
 
-static int fal_flash_read_16k(long offset, rt_uint8_t *buf, size_t size)
-{
-    return stm32_flash_read(stm32_onchip_flash_16k.addr + offset, buf, size);
-}
 static int fal_flash_read_64k(long offset, rt_uint8_t *buf, size_t size)
 {
     return stm32_flash_read(stm32_onchip_flash_64k.addr + offset, buf, size);
@@ -429,10 +408,6 @@ static int fal_flash_read_128k(long offset, rt_uint8_t *buf, size_t size)
     return stm32_flash_read(stm32_onchip_flash_128k.addr + offset, buf, size);
 }
 
-static int fal_flash_write_16k(long offset, const rt_uint8_t *buf, size_t size)
-{
-    return stm32_flash_write(stm32_onchip_flash_16k.addr + offset, buf, size);
-}
 static int fal_flash_write_64k(long offset, const rt_uint8_t *buf, size_t size)
 {
     return stm32_flash_write(stm32_onchip_flash_64k.addr + offset, buf, size);
@@ -442,10 +417,6 @@ static int fal_flash_write_128k(long offset, const rt_uint8_t *buf, size_t size)
     return stm32_flash_write(stm32_onchip_flash_128k.addr + offset, buf, size);
 }
 
-static int fal_flash_erase_16k(long offset, size_t size)
-{
-    return stm32_flash_erase(stm32_onchip_flash_16k.addr + offset, size);
-}
 static int fal_flash_erase_64k(long offset, size_t size)
 {
     return stm32_flash_erase(stm32_onchip_flash_64k.addr + offset, size);
diff --git a/project.uvoptx b/project.uvoptx
index bfebf24..833e7c1 100644
--- a/project.uvoptx
+++ b/project.uvoptx
@@ -568,7 +568,7 @@
 
   <Group>
     <GroupName>Drivers</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -588,7 +588,7 @@
       <GroupNumber>5</GroupNumber>
       <FileNumber>31</FileNumber>
       <FileType>1</FileType>
-      <tvExp>1</tvExp>
+      <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
       <PathWithFileName>board\board.c</PathWithFileName>