diff --git a/components/hal/esp32/include/hal/adc_hal_conf.h b/components/hal/esp32/include/hal/adc_hal_conf.h
index c005184526..c41fd9d582 100644
--- a/components/hal/esp32/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32/include/hal/adc_hal_conf.h
@@ -10,7 +10,7 @@
                     Single Read
 ---------------------------------------------------------------*/
 #define ADC_HAL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (1)
-#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (2)
+#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (1)
 
 /*---------------------------------------------------------------
                     DMA Read
diff --git a/components/hal/esp32c2/include/hal/adc_hal_conf.h b/components/hal/esp32c2/include/hal/adc_hal_conf.h
index 55e742d388..d3de7e6393 100644
--- a/components/hal/esp32c2/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32c2/include/hal/adc_hal_conf.h
@@ -10,7 +10,6 @@
                     Single Read
 ---------------------------------------------------------------*/
 #define ADC_HAL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
 
 /*---------------------------------------------------------------
                     DMA Read
diff --git a/components/hal/esp32c3/include/hal/adc_hal_conf.h b/components/hal/esp32c3/include/hal/adc_hal_conf.h
index 55e742d388..d3de7e6393 100644
--- a/components/hal/esp32c3/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32c3/include/hal/adc_hal_conf.h
@@ -10,7 +10,6 @@
                     Single Read
 ---------------------------------------------------------------*/
 #define ADC_HAL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
 
 /*---------------------------------------------------------------
                     DMA Read
diff --git a/components/hal/esp32h2/include/hal/adc_hal_conf.h b/components/hal/esp32h2/include/hal/adc_hal_conf.h
index 55e742d388..d3de7e6393 100644
--- a/components/hal/esp32h2/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32h2/include/hal/adc_hal_conf.h
@@ -10,7 +10,6 @@
                     Single Read
 ---------------------------------------------------------------*/
 #define ADC_HAL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
 
 /*---------------------------------------------------------------
                     DMA Read
diff --git a/components/hal/esp32s2/include/hal/adc_hal_conf.h b/components/hal/esp32s2/include/hal/adc_hal_conf.h
index b61b08c038..0243c7bfc4 100644
--- a/components/hal/esp32s2/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32s2/include/hal/adc_hal_conf.h
@@ -10,7 +10,7 @@
                     Single Read
 ---------------------------------------------------------------*/
 #define ADC_HAL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
+#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (1)
 
 /*---------------------------------------------------------------
                     DMA Read
diff --git a/components/hal/esp32s3/include/hal/adc_hal_conf.h b/components/hal/esp32s3/include/hal/adc_hal_conf.h
index 55e742d388..f105e417cf 100644
--- a/components/hal/esp32s3/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32s3/include/hal/adc_hal_conf.h
@@ -10,7 +10,7 @@
                     Single Read
 ---------------------------------------------------------------*/
 #define ADC_HAL_DATA_INVERT_DEFAULT(PERIPH_NUM)         (0)
-#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         ((PERIPH_NUM==0)? 2 : 1)
+#define ADC_HAL_SAR_CLK_DIV_DEFAULT(PERIPH_NUM)         (1)
 
 /*---------------------------------------------------------------
                     DMA Read