diff --git a/components/hal/esp32/include/hal/adc_ll.h b/components/hal/esp32/include/hal/adc_ll.h
index 8de9553e92..6e5ef9bbcc 100644
--- a/components/hal/esp32/include/hal/adc_ll.h
+++ b/components/hal/esp32/include/hal/adc_ll.h
@@ -29,7 +29,7 @@ extern "C" {
                     Oneshot
 ---------------------------------------------------------------*/
 #define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (1)
-#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (2)
+#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (1)
 
 /*---------------------------------------------------------------
                     DMA
diff --git a/components/hal/esp32c2/include/hal/adc_ll.h b/components/hal/esp32c2/include/hal/adc_ll.h
index a880e49980..bf783bf660 100644
--- a/components/hal/esp32c2/include/hal/adc_ll.h
+++ b/components/hal/esp32c2/include/hal/adc_ll.h
@@ -33,7 +33,6 @@ extern "C" {
                     Oneshot
 ---------------------------------------------------------------*/
 #define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
 
 /*---------------------------------------------------------------
                     DMA
diff --git a/components/hal/esp32c3/include/hal/adc_ll.h b/components/hal/esp32c3/include/hal/adc_ll.h
index 4428d19c4b..717cfa4563 100644
--- a/components/hal/esp32c3/include/hal/adc_ll.h
+++ b/components/hal/esp32c3/include/hal/adc_ll.h
@@ -38,7 +38,6 @@ extern "C" {
                     Oneshot
 ---------------------------------------------------------------*/
 #define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
 
 /*---------------------------------------------------------------
                     DMA
diff --git a/components/hal/esp32c6/include/hal/adc_ll.h b/components/hal/esp32c6/include/hal/adc_ll.h
index 6f9a675540..2d95138380 100644
--- a/components/hal/esp32c6/include/hal/adc_ll.h
+++ b/components/hal/esp32c6/include/hal/adc_ll.h
@@ -39,7 +39,6 @@ extern "C" {
                     Oneshot
 ---------------------------------------------------------------*/
 #define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (2)
 
 /*---------------------------------------------------------------
                     DMA
diff --git a/components/hal/esp32h2/include/hal/adc_ll.h b/components/hal/esp32h2/include/hal/adc_ll.h
index 4e67ad81de..0a5e0b544b 100644
--- a/components/hal/esp32h2/include/hal/adc_ll.h
+++ b/components/hal/esp32h2/include/hal/adc_ll.h
@@ -39,7 +39,6 @@ extern "C" {
                     Oneshot
 ---------------------------------------------------------------*/
 #define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (2)
 
 /*---------------------------------------------------------------
                     DMA
diff --git a/components/hal/esp32s2/include/hal/adc_ll.h b/components/hal/esp32s2/include/hal/adc_ll.h
index 8eb918030c..0a29bee900 100644
--- a/components/hal/esp32s2/include/hal/adc_ll.h
+++ b/components/hal/esp32s2/include/hal/adc_ll.h
@@ -34,7 +34,7 @@ extern "C" {
                     Oneshot
 ---------------------------------------------------------------*/
 #define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
+#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (1)
 
 /*---------------------------------------------------------------
                     DMA
diff --git a/components/hal/esp32s3/include/hal/adc_ll.h b/components/hal/esp32s3/include/hal/adc_ll.h
index b138b723ca..05df0a5fd1 100644
--- a/components/hal/esp32s3/include/hal/adc_ll.h
+++ b/components/hal/esp32s3/include/hal/adc_ll.h
@@ -34,7 +34,7 @@ extern "C" {
                     Oneshot
 ---------------------------------------------------------------*/
 #define ADC_LL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
+#define ADC_LL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (1)
 
 /*---------------------------------------------------------------
                     DMA