diff --git a/demos/STM8L-STM8L152-DISCOVERY-STVD/cosmic/vectors.c b/demos/STM8L-STM8L152-DISCOVERY-STVD/cosmic/vectors.c
index 76ebd1736..5c041d9df 100644
--- a/demos/STM8L-STM8L152-DISCOVERY-STVD/cosmic/vectors.c
+++ b/demos/STM8L-STM8L152-DISCOVERY-STVD/cosmic/vectors.c
@@ -76,25 +76,15 @@ exception_vector_t const _vectab[] = {
 #endif
 	{0x82, vector},                             /* vector11 */
 	{0x82, vector},                             /* vector12 */
-	{0x82, vector13},                           /* vector13 */
+	{0x82, vector},                             /* vector13 */
 	{0x82, vector},                             /* vector14 */
 	{0x82, vector},                             /* vector15 */
 	{0x82, vector},                             /* vector16 */
-#if HAL_USE_SERIAL && STM8_SERIAL_USE_UART1
-	{0x82, vector17},                           /* vector17 */
-	{0x82, vector18},                           /* vector18 */
-#else
 	{0x82, vector},                             /* vector17 */
 	{0x82, vector},                             /* vector18 */
-#endif
 	{0x82, vector},                             /* vector19 */
-#if HAL_USE_SERIAL && (STM8_SERIAL_USE_UART2 || STM8_SERIAL_USE_UART3)
   {0x82, vector20},                           /* vector20 */
-	{0x82, vector21},                           /* vector21 */
-#else
-  {0x82, vector},                             /* vector20 */
 	{0x82, vector},                             /* vector21 */
-#endif
 	{0x82, vector},                             /* vector22 */
 	{0x82, vector},                             /* vector23 */
 	{0x82, vector},                             /* vector24 */
diff --git a/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/halconf.h b/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/halconf.h
index 3186be527..e75f8b89d 100644
--- a/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/halconf.h
+++ b/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/halconf.h
@@ -41,7 +41,7 @@
  * @brief   Enables the PAL subsystem.
  */
 #if !defined(HAL_USE_PAL) || defined(__DOXYGEN__)
-#define HAL_USE_PAL                 TRUE
+#define HAL_USE_PAL                 FALSE
 #endif
 
 /**
@@ -90,7 +90,7 @@
  * @brief   Enables the SERIAL subsystem.
  */
 #if !defined(HAL_USE_SERIAL) || defined(__DOXYGEN__)
-#define HAL_USE_SERIAL              TRUE
+#define HAL_USE_SERIAL              FALSE
 #endif
 
 /**
diff --git a/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/main.c b/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/main.c
index 35321bf62..c8c8e44fe 100644
--- a/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/main.c
+++ b/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/main.c
@@ -29,9 +29,9 @@ static msg_t Thread1(void *arg) {
 
   (void)arg;
   while (TRUE) {
-    palClearPad(GPIOD, PD_LD10);
+//    palClearPad(GPIOD, PD_LD10);
     chThdSleepMilliseconds(500);
-    palSetPad(GPIOD, PD_LD10);
+//    palSetPad(GPIOD, PD_LD10);
     chThdSleepMilliseconds(500);
   }
   return 0;
@@ -55,7 +55,7 @@ void main(void) {
   /*
    * Activates the serial driver 1 using the driver default configuration.
    */
-  sdStart(&SD2, NULL);
+//  sdStart(&SD2, NULL);
 
   /*
    * Creates the blinker thread.
@@ -66,10 +66,10 @@ void main(void) {
    * Normal main() thread activity.
    */
   while (TRUE) {
-    if (palReadPad(GPIOG, 0) == PAL_LOW)
-      TestThread(&SD2);
-    if (palReadPad(GPIOG, 1) == PAL_LOW)
-      sdWriteTimeout(&SD2, "Hello World!\r\n", 14, TIME_INFINITE);
+//    if (palReadPad(GPIOG, 0) == PAL_LOW)
+//      TestThread(&SD2);
+//    if (palReadPad(GPIOG, 1) == PAL_LOW)
+//      sdWriteTimeout(&SD2, "Hello World!\r\n", 14, TIME_INFINITE);
     chThdSleepMilliseconds(1000);
   }
 }
diff --git a/os/hal/platforms/STM8L/hal_lld.c b/os/hal/platforms/STM8L/hal_lld.c
index 881a09fdd..8c0f645a6 100644
--- a/os/hal/platforms/STM8L/hal_lld.c
+++ b/os/hal/platforms/STM8L/hal_lld.c
@@ -39,7 +39,7 @@
 /**
  * @brief   PAL setup.
  * @details Digital I/O ports static configuration as defined in @p board.h.
- */
+ *//*
 ROMCONST PALConfig pal_default_config =
 {
   {
@@ -55,7 +55,7 @@ ROMCONST PALConfig pal_default_config =
     {VAL_GPIOIODR, 0, VAL_GPIOIDDR, VAL_GPIOICR1, VAL_GPIOICR2},
 #endif
   }
-};
+};*/
 
 /*===========================================================================*/
 /* Driver local functions.                                                   */
diff --git a/os/hal/platforms/STM8L/hal_lld.h b/os/hal/platforms/STM8L/hal_lld.h
index c7a62baae..891f2650b 100644
--- a/os/hal/platforms/STM8L/hal_lld.h
+++ b/os/hal/platforms/STM8L/hal_lld.h
@@ -228,7 +228,7 @@
 #define RTCCLK                      (LSICLK / (1 << STM8L_RTCCLK_DIVIDER))
 #elif STM8L_RTCCLK_SOURCE == CLK_RTCSEL_HSE
 #define RTCCLK                      (HSECLK / (1 << STM8L_RTCCLK_DIVIDER))
-#elif STM8L_SYSCLK_SOURCE == CLK_RTCSEL_LSE
+#elif STM8L_RTCCLK_SOURCE == CLK_RTCSEL_LSE
 #define RTCCLK                      (LSECLK / (1 << STM8L_RTCCLK_DIVIDER))
 #else
 #error "specified invalid RTCCLK source"