diff --git a/components/hal/esp32/include/hal/mwdt_ll.h b/components/hal/esp32/include/hal/mwdt_ll.h
index c60c16d510..48a468f5ac 100644
--- a/components/hal/esp32/include/hal/mwdt_ll.h
+++ b/components/hal/esp32/include/hal/mwdt_ll.h
@@ -26,9 +26,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 40000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/hal/esp32c2/include/hal/mwdt_ll.h b/components/hal/esp32c2/include/hal/mwdt_ll.h
index 1fe9d77d6c..cb3649497b 100644
--- a/components/hal/esp32c2/include/hal/mwdt_ll.h
+++ b/components/hal/esp32c2/include/hal/mwdt_ll.h
@@ -26,9 +26,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 20000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/hal/esp32c3/include/hal/mwdt_ll.h b/components/hal/esp32c3/include/hal/mwdt_ll.h
index 264a59951f..24fd44803e 100644
--- a/components/hal/esp32c3/include/hal/mwdt_ll.h
+++ b/components/hal/esp32c3/include/hal/mwdt_ll.h
@@ -26,9 +26,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 20000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/hal/esp32c5/include/hal/mwdt_ll.h b/components/hal/esp32c5/include/hal/mwdt_ll.h
index ab70f2cffd..2a335affcb 100644
--- a/components/hal/esp32c5/include/hal/mwdt_ll.h
+++ b/components/hal/esp32c5/include/hal/mwdt_ll.h
@@ -27,9 +27,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 20000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/hal/esp32c6/include/hal/mwdt_ll.h b/components/hal/esp32c6/include/hal/mwdt_ll.h
index 45194cd881..28a34eb88a 100644
--- a/components/hal/esp32c6/include/hal/mwdt_ll.h
+++ b/components/hal/esp32c6/include/hal/mwdt_ll.h
@@ -27,9 +27,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 20000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/hal/esp32h2/include/hal/mwdt_ll.h b/components/hal/esp32h2/include/hal/mwdt_ll.h
index ba7f5b048b..8b2f01e2d5 100644
--- a/components/hal/esp32h2/include/hal/mwdt_ll.h
+++ b/components/hal/esp32h2/include/hal/mwdt_ll.h
@@ -26,9 +26,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 16000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/hal/esp32p4/include/hal/mwdt_ll.h b/components/hal/esp32p4/include/hal/mwdt_ll.h
index 892e592787..fb0091c50f 100644
--- a/components/hal/esp32p4/include/hal/mwdt_ll.h
+++ b/components/hal/esp32p4/include/hal/mwdt_ll.h
@@ -27,9 +27,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 20000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/hal/esp32s2/include/hal/mwdt_ll.h b/components/hal/esp32s2/include/hal/mwdt_ll.h
index 0caf6bd864..5f425bada2 100644
--- a/components/hal/esp32s2/include/hal/mwdt_ll.h
+++ b/components/hal/esp32s2/include/hal/mwdt_ll.h
@@ -26,9 +26,6 @@ extern "C" {
 /* Pre-calculated prescaler to achieve 500 ticks/us (MWDT1_TICKS_PER_US) when using default clock (MWDT_CLK_SRC_DEFAULT ) */
 #define MWDT_LL_DEFAULT_CLK_PRESCALER 40000
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 /* Possible values for TIMG_WDT_STGx */
 #define TIMG_WDT_STG_SEL_OFF 0
 #define TIMG_WDT_STG_SEL_INT 1
diff --git a/components/soc/include/soc/timer_periph.h b/components/soc/include/soc/timer_periph.h
index 7ba2047a12..883e69f787 100644
--- a/components/soc/include/soc/timer_periph.h
+++ b/components/soc/include/soc/timer_periph.h
@@ -16,6 +16,9 @@
 extern "C" {
 #endif
 
+/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
+#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
+
 typedef struct {
     struct {
         const periph_module_t module; // Peripheral module