diff --git a/bsp/stm32/stm32l496-st-nucleo/board/board.c b/bsp/stm32/stm32l496-st-nucleo/board/board.c
index 90ff5aa15ac1d4db6eb23cdec28606b83c2623a0..370b558be09930c22fb0d607127f0b229d019850 100644
--- a/bsp/stm32/stm32l496-st-nucleo/board/board.c
+++ b/bsp/stm32/stm32l496-st-nucleo/board/board.c
@@ -82,167 +82,3 @@ void SystemClock_Config(void)
   HAL_RCCEx_EnableMSIPLLMode();
 }
 
-#ifdef RT_USING_PM
-
-void SystemClock_MSI_ON(void)
-{
-    RCC_OscInitTypeDef RCC_OscInitStruct   = {0};
-    RCC_ClkInitTypeDef RCC_ClkInitStruct   = {0};
-
-    /* Initializes the CPU, AHB and APB busses clocks */
-    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
-    RCC_OscInitStruct.MSIState = RCC_MSI_ON;
-    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
-    {
-        RT_ASSERT(0);
-    }
-
-    RCC_ClkInitStruct.ClockType       = RCC_CLOCKTYPE_SYSCLK;
-    RCC_ClkInitStruct.SYSCLKSource    = RCC_SYSCLKSOURCE_MSI;
-    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
-    {
-        Error_Handler();
-    }
-}
-
-void SystemClock_MSI_OFF(void)
-{
-    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
-
-    RCC_OscInitStruct.OscillatorType  = RCC_OSCILLATORTYPE_MSI;
-    RCC_OscInitStruct.HSIState        = RCC_MSI_OFF;
-    RCC_OscInitStruct.PLL.PLLState    = RCC_PLL_NONE;  /* No update on PLL */
-    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
-    {
-        Error_Handler();
-    }
-}
-
-void SystemClock_80M(void)
-{
-    RCC_OscInitTypeDef RCC_OscInitStruct;
-    RCC_ClkInitTypeDef RCC_ClkInitStruct;
-
-    /**Initializes the CPU, AHB and APB busses clocks */
-    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
-    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
-    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-    RCC_OscInitStruct.PLL.PLLM = 1;
-    RCC_OscInitStruct.PLL.PLLN = 20;
-    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
-    RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
-    RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
-    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
-    {
-        Error_Handler();
-    }
-
-    /**Initializes the CPU, AHB and APB busses clocks
-    */
-    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
-                                  | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
-    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
-    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
-    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
-    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-
-    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
-    {
-        Error_Handler();
-    }
-}
-
-void SystemClock_24M(void)
-{
-    RCC_OscInitTypeDef RCC_OscInitStruct;
-    RCC_ClkInitTypeDef RCC_ClkInitStruct;
-
-    /** Initializes the CPU, AHB and APB busses clocks */
-    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
-    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
-    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-    RCC_OscInitStruct.PLL.PLLM = 1;
-    RCC_OscInitStruct.PLL.PLLN = 12;
-    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
-    RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
-    RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV4;
-    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
-    {
-        Error_Handler();
-    }
-    /** Initializes the CPU, AHB and APB busses clocks */
-    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
-                                  | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
-    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
-    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
-    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
-    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
-    {
-        Error_Handler();
-    }
-}
-
-void SystemClock_2M(void)
-{
-    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
-    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
-
-    /* MSI is enabled after System reset, update MSI to 2Mhz (RCC_MSIRANGE_5) */
-    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
-    RCC_OscInitStruct.MSIState = RCC_MSI_ON;
-    RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_5;
-    RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
-    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
-    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
-    {
-        /* Initialization Error */
-        Error_Handler();
-    }
-
-    /* Select MSI as system clock source and configure the HCLK, PCLK1 and PCLK2
-       clocks dividers */
-    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
-    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
-    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
-    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
-    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
-    {
-        /* Initialization Error */
-        Error_Handler();
-    }
-}
-
-/**
-  * @brief  Configures system clock after wake-up from STOP: enable HSI, PLL
-  *         and select PLL as system clock source.
-  * @param  None
-  * @retval None
-  */
-void SystemClock_ReConfig(uint8_t mode)
-{
-    SystemClock_MSI_ON();
-
-    switch (mode)
-    {
-    case PM_RUN_MODE_HIGH_SPEED:
-    case PM_RUN_MODE_NORMAL_SPEED:
-        SystemClock_80M();
-        break;
-    case PM_RUN_MODE_MEDIUM_SPEED:
-        SystemClock_24M();
-        break;
-    case PM_RUN_MODE_LOW_SPEED:
-        SystemClock_2M();
-        break;
-    default:
-        break;
-    }
-
-    // SystemClock_MSI_OFF();
-}
-
-#endif
diff --git a/bsp/stm32/stm32l496-st-nucleo/figures/board.png b/bsp/stm32/stm32l496-st-nucleo/figures/board.png
index c12a3d9148ba790783b9e09d21b0b7bc1e073a3d..6047daa1399be3030fb2afac006943940f65d2a5 100644
Binary files a/bsp/stm32/stm32l496-st-nucleo/figures/board.png and b/bsp/stm32/stm32l496-st-nucleo/figures/board.png differ
diff --git a/bsp/stm32/stm32l496-st-nucleo/project.uvoptx b/bsp/stm32/stm32l496-st-nucleo/project.uvoptx
index 99552e12fdc42a04003b47c451ef0667ce39448a..0a41991b75eb22ebca6cf2f0dbbbc1cd76573375 100644
--- a/bsp/stm32/stm32l496-st-nucleo/project.uvoptx
+++ b/bsp/stm32/stm32l496-st-nucleo/project.uvoptx
@@ -183,7 +183,7 @@
 
   <Group>
     <GroupName>Kernel</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -379,7 +379,7 @@
 
   <Group>
     <GroupName>Drivers</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>