diff --git a/demos/STM8S-STM8S105-DISCOVERY-IAR/ch.ewp b/demos/STM8S-STM8S105-DISCOVERY-IAR/ch.ewp
index c6a474004..7b9761816 100644
--- a/demos/STM8S-STM8S105-DISCOVERY-IAR/ch.ewp
+++ b/demos/STM8S-STM8S105-DISCOVERY-IAR/ch.ewp
@@ -780,7 +780,7 @@
         <debug>0</debug>
         <option>
           <name>GenDeviceSelectMenu</name>
-          <state></state>
+          <state>STM8S105C6	STM8S105C6</state>
         </option>
         <option>
           <name>GenCodeModel</name>
@@ -820,11 +820,11 @@
         </option>
         <option>
           <name>GenRTDescription</name>
-          <state></state>
+          <state>Use the normal configuration of the C/EC++ runtime library. No locale interface, C locale, no file descriptor support, no multibytes in printf and scanf, and no hex floats in strtod.</state>
         </option>
         <option>
           <name>GenRTConfigPath</name>
-          <state></state>
+          <state>$TOOLKIT_DIR$\LIB\dlstm8smn.h</state>
         </option>
         <option>
           <name>GenLibInFormatter</name>
@@ -833,7 +833,7 @@
         </option>
         <option>
           <name>GenLibInFormatterDescription</name>
-          <state></state>
+          <state>No specifier n, no float, no scan set, no assignment suppressing.</state>
         </option>
         <option>
           <name>GenLibOutFormatter</name>
@@ -842,15 +842,15 @@
         </option>
         <option>
           <name>GenLibOutFormatterDescription</name>
-          <state></state>
+          <state>No specifier a or A, no specifier n, no float.</state>
         </option>
         <option>
           <name>GenStackSize</name>
-          <state>###Uninitialized###</state>
+          <state>0x100</state>
         </option>
         <option>
           <name>GenHeapSize</name>
-          <state>###Uninitialized###</state>
+          <state>0x100</state>
         </option>
         <option>
           <name>GeneralEnableMisra</name>
@@ -910,12 +910,12 @@
         </option>
         <option>
           <name>IccOptLevelSlave</name>
-          <state>1</state>
+          <state>3</state>
         </option>
         <option>
           <name>IccOptAllowList</name>
           <version>0</version>
-          <state>111110</state>
+          <state>111111</state>
         </option>
         <option>
           <name>IccGenerateDebugInfo</name>
@@ -923,7 +923,7 @@
         </option>
         <option>
           <name>IccOutputFile</name>
-          <state></state>
+          <state>$FILE_BNAME$.o</state>
         </option>
         <option>
           <name>IccCodeModel</name>
@@ -1011,7 +1011,12 @@
         </option>
         <option>
           <name>CCIncludePath2</name>
-          <state></state>
+          <state>$PROJ_DIR$</state>
+          <state>$PROJ_DIR$\..\..\os\kernel\include</state>
+          <state>$PROJ_DIR$\..\..\os\ports\IAR\STM8</state>
+          <state>$PROJ_DIR$\..\..\os\hal\include</state>
+          <state>$PROJ_DIR$\..\..\os\hal\platforms\STM8S</state>
+          <state>$PROJ_DIR$\..\..\boards\ST_STM8S_DISCOVERY</state>
         </option>
         <option>
           <name>CCStdIncCheck</name>
@@ -1132,7 +1137,8 @@
         </option>
         <option>
           <name>AsmIncludePath</name>
-          <state></state>
+          <state>$PROJ_DIR$</state>
+          <state>$PROJ_DIR$\..\..\os\ports\IAR\STM8</state>
         </option>
         <option>
           <name>AsmDefines</name>
@@ -1280,7 +1286,7 @@
         </option>
         <option>
           <name>IlinkOutputFile</name>
-          <state>###Unitialized###</state>
+          <state>ch.out</state>
         </option>
         <option>
           <name>IlinkDebugInfoEnable</name>
diff --git a/demos/STM8S-STM8S105-DISCOVERY-IAR/mcuconf.h b/demos/STM8S-STM8S105-DISCOVERY-IAR/mcuconf.h
index cdab55872..4b1082e5a 100644
--- a/demos/STM8S-STM8S105-DISCOVERY-IAR/mcuconf.h
+++ b/demos/STM8S-STM8S105-DISCOVERY-IAR/mcuconf.h
@@ -36,7 +36,6 @@
 #define STM8S_SYSCLK_SOURCE             CLK_SYSSEL_HSE
 #define STM8S_HSI_DIVIDER               CLK_HSI_DIV1
 #define STM8S_CPU_DIVIDER               CLK_CPU_DIV1
-#define STM8S_CAN_DIVIDER_VALUE         1
 
 /*
  * SERIAL driver system settings.
diff --git a/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/mcuconf.h b/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/mcuconf.h
index cdab55872..4b1082e5a 100644
--- a/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/mcuconf.h
+++ b/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/mcuconf.h
@@ -36,7 +36,6 @@
 #define STM8S_SYSCLK_SOURCE             CLK_SYSSEL_HSE
 #define STM8S_HSI_DIVIDER               CLK_HSI_DIV1
 #define STM8S_CPU_DIVIDER               CLK_CPU_DIV1
-#define STM8S_CAN_DIVIDER_VALUE         1
 
 /*
  * SERIAL driver system settings.
diff --git a/demos/STM8S-STM8S208-RC/mcuconf.h b/demos/STM8S-STM8S208-RC/mcuconf.h
index df9f781aa..b6d2398f1 100644
--- a/demos/STM8S-STM8S208-RC/mcuconf.h
+++ b/demos/STM8S-STM8S208-RC/mcuconf.h
@@ -36,7 +36,6 @@
 #define STM8S_SYSCLK_SOURCE             CLK_SYSSEL_HSI
 #define STM8S_HSI_DIVIDER               CLK_HSI_DIV1
 #define STM8S_CPU_DIVIDER               CLK_CPU_DIV1
-#define STM8S_CAN_DIVIDER_VALUE         1
 
 /*
  * SERIAL driver system settings.
diff --git a/os/hal/platforms/STM8S/hal_lld.c b/os/hal/platforms/STM8S/hal_lld.c
index 7397211d8..3780b8678 100644
--- a/os/hal/platforms/STM8S/hal_lld.c
+++ b/os/hal/platforms/STM8S/hal_lld.c
@@ -99,9 +99,6 @@ void hal_lld_init(void) {
   /* Other clock related initializations.*/
   CLK->CSSR    = 0;
   CLK->CCOR    = 0;
-#if defined(STM8S208)
-  CLK->CANCCR  = STM8S_CAN_DIVIDER_VALUE;
-#endif
 
   /* HSI disabled if it is no more required.*/
 #if !STM8S_HSI_ENABLED
diff --git a/os/hal/platforms/STM8S/hal_lld.h b/os/hal/platforms/STM8S/hal_lld.h
index da17f8f55..dc55a1a72 100644
--- a/os/hal/platforms/STM8S/hal_lld.h
+++ b/os/hal/platforms/STM8S/hal_lld.h
@@ -141,13 +141,6 @@
 #define STM8S_CPU_DIVIDER           CLK_CPU_DIV1
 #endif
 
-/**
- * @brief   bxCAN divider value.
- */
-#if !defined(STM8S_CAN_DIVIDER_VALUE) || defined(__DOXYGEN__)
-#define STM8S_CAN_DIVIDER_VALUE     1
-#endif
-
 /*===========================================================================*/
 /* Derived constants and error checks.                                       */
 /*===========================================================================*/
@@ -170,10 +163,6 @@
 #error "specified invalid CPU divider"
 #endif
 
-#if (STM8S_CAN_DIVIDER_VALUE < 1) || (STM8S_CAN_DIVIDER_VALUE > 8)
-#error "specified invalid CAN divider value"
-#endif
-
 #if STM8S_HSE_ENABLED && (HSECLK == 0)
 #error "impossible to activate HSE"
 #endif
diff --git a/testhal/STM8S/SPI/demo/mcuconf.h b/testhal/STM8S/SPI/demo/mcuconf.h
index cdab55872..4b1082e5a 100644
--- a/testhal/STM8S/SPI/demo/mcuconf.h
+++ b/testhal/STM8S/SPI/demo/mcuconf.h
@@ -36,7 +36,6 @@
 #define STM8S_SYSCLK_SOURCE             CLK_SYSSEL_HSE
 #define STM8S_HSI_DIVIDER               CLK_HSI_DIV1
 #define STM8S_CPU_DIVIDER               CLK_CPU_DIV1
-#define STM8S_CAN_DIVIDER_VALUE         1
 
 /*
  * SERIAL driver system settings.