diff --git a/components/hal/esp32/include/hal/adc_hal_conf.h b/components/hal/esp32/include/hal/adc_hal_conf.h
index 46af19887a..7e468b1ed0 100644
--- a/components/hal/esp32/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32/include/hal/adc_hal_conf.h
@@ -26,6 +26,6 @@
 
 #define SOC_ADC_PWDET_CCT_DEFAULT           (4)
 
-#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) (2)
+#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) (1)
 
 #define SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT    (16)
diff --git a/components/hal/esp32c3/include/hal/adc_hal_conf.h b/components/hal/esp32c3/include/hal/adc_hal_conf.h
index 02e43632d2..0addf51d23 100644
--- a/components/hal/esp32c3/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32c3/include/hal/adc_hal_conf.h
@@ -26,6 +26,4 @@
 
 #define SOC_ADC_PWDET_CCT_DEFAULT           (4)
 
-#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) ((PERIPH_NUM==0)? 2 : 1)
-
 #define SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT     (1)
diff --git a/components/hal/esp32h2/include/hal/adc_hal_conf.h b/components/hal/esp32h2/include/hal/adc_hal_conf.h
index 02e43632d2..0addf51d23 100644
--- a/components/hal/esp32h2/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32h2/include/hal/adc_hal_conf.h
@@ -26,6 +26,4 @@
 
 #define SOC_ADC_PWDET_CCT_DEFAULT           (4)
 
-#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) ((PERIPH_NUM==0)? 2 : 1)
-
 #define SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT     (1)
diff --git a/components/hal/esp32s2/include/hal/adc_hal_conf.h b/components/hal/esp32s2/include/hal/adc_hal_conf.h
index 1044f57cb2..519da382cc 100644
--- a/components/hal/esp32s2/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32s2/include/hal/adc_hal_conf.h
@@ -26,6 +26,6 @@
 
 #define SOC_ADC_PWDET_CCT_DEFAULT           (4)
 
-#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) ((PERIPH_NUM==0)? 2 : 1)
+#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) (1)
 
 #define SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT    (2)
diff --git a/components/hal/esp32s3/include/hal/adc_hal_conf.h b/components/hal/esp32s3/include/hal/adc_hal_conf.h
index 02e43632d2..32100c6150 100644
--- a/components/hal/esp32s3/include/hal/adc_hal_conf.h
+++ b/components/hal/esp32s3/include/hal/adc_hal_conf.h
@@ -26,6 +26,6 @@
 
 #define SOC_ADC_PWDET_CCT_DEFAULT           (4)
 
-#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) ((PERIPH_NUM==0)? 2 : 1)
+#define SOC_ADC_SAR_CLK_DIV_DEFAULT(PERIPH_NUM) (1)
 
 #define SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT     (1)