diff --git a/components/esp_adc/test_apps/adc/main/test_adc_driver.c b/components/esp_adc/test_apps/adc/main/test_adc_driver.c
index 6937e5e3883..7b437b3f36c 100644
--- a/components/esp_adc/test_apps/adc/main/test_adc_driver.c
+++ b/components/esp_adc/test_apps/adc/main/test_adc_driver.c
@@ -168,7 +168,6 @@ TEST_CASE("ADC continuous big conv_frame_size test", "[adc_continuous]")
     adc_continuous_config_t dig_cfg = {
         .sample_freq_hz = 50 * 1000,
         .conv_mode = ADC_CONV_SINGLE_UNIT_1,
-        .format = ADC_DRIVER_TEST_OUTPUT_TYPE,
     };
     adc_digi_pattern_config_t adc_pattern[SOC_ADC_PATT_LEN_MAX] = {0};
     adc_pattern[0].atten = ADC_ATTEN_DB_12;
@@ -226,7 +225,6 @@ TEST_CASE("ADC continuous flush internal pool", "[adc_continuous][manual][ignore
     adc_continuous_config_t dig_cfg = {
         .sample_freq_hz = 50 * 1000,
         .conv_mode = ADC_CONV_SINGLE_UNIT_1,
-        .format = ADC_DRIVER_TEST_OUTPUT_TYPE,
     };
     adc_digi_pattern_config_t adc_pattern[SOC_ADC_PATT_LEN_MAX] = {0};
     adc_pattern[0].atten = ADC_ATTEN_DB_12;
@@ -279,7 +277,6 @@ TEST_CASE("ADC continuous test after restarting", "[adc_continuous][ignore]")
     adc_continuous_config_t dig_cfg = {
         .sample_freq_hz = 50 * 1000,
         .conv_mode = ADC_CONV_SINGLE_UNIT_1,
-        .format = ADC_DRIVER_TEST_OUTPUT_TYPE,
     };
     adc_digi_pattern_config_t adc_pattern[SOC_ADC_PATT_LEN_MAX] = {0};
     adc_pattern[0].atten = ADC_ATTEN_DB_12;
diff --git a/components/esp_adc/test_apps/adc/main/test_adc_driver_iram.c b/components/esp_adc/test_apps/adc/main/test_adc_driver_iram.c
index 51d7f079c1a..0b55bef3db1 100644
--- a/components/esp_adc/test_apps/adc/main/test_adc_driver_iram.c
+++ b/components/esp_adc/test_apps/adc/main/test_adc_driver_iram.c
@@ -194,7 +194,6 @@ TEST_CASE("ADC continuous work with ISR and Flash", "[adc_continuous]")
     adc_continuous_config_t dig_cfg = {
         .sample_freq_hz = ADC_TEST_FREQ_HZ,
         .conv_mode = ADC_CONV_SINGLE_UNIT_1,
-        .format = ADC_TEST_OUTPUT_TYPE,
     };
     adc_digi_pattern_config_t adc_pattern[SOC_ADC_PATT_LEN_MAX] = {0};
     adc_pattern[0].atten = ADC_ATTEN_DB_0;
diff --git a/components/esp_adc/test_apps/adc/main/test_adc_performance.c b/components/esp_adc/test_apps/adc/main/test_adc_performance.c
index 04d04f7e851..cb9c468bfb3 100644
--- a/components/esp_adc/test_apps/adc/main/test_adc_performance.c
+++ b/components/esp_adc/test_apps/adc/main/test_adc_performance.c
@@ -182,7 +182,6 @@ static float test_adc_continuous_std(adc_atten_t atten, bool filter_en, int filt
     adc_continuous_config_t dig_cfg = {
         .sample_freq_hz = ADC_TEST_FREQ_HZ,
         .conv_mode = ADC_CONV_SINGLE_UNIT_1,
-        .format = ADC_TEST_OUTPUT_TYPE,
     };
     adc_digi_pattern_config_t adc_pattern[SOC_ADC_PATT_LEN_MAX] = {0};
     adc_pattern[0].atten = atten;
diff --git a/components/esp_adc/test_apps/adc/main/test_adc_tsens.c b/components/esp_adc/test_apps/adc/main/test_adc_tsens.c
index a3ad136b1ce..b95e1c2b235 100644
--- a/components/esp_adc/test_apps/adc/main/test_adc_tsens.c
+++ b/components/esp_adc/test_apps/adc/main/test_adc_tsens.c
@@ -116,7 +116,6 @@ TEST_CASE("Test temperature sensor work with ADC continuous", "[adc]")
     adc_continuous_config_t dig_cfg = {
         .sample_freq_hz = 50 * 1000,
         .conv_mode = ADC_CONV_SINGLE_UNIT_1,
-        .format = ADC_DRIVER_TEST_OUTPUT_TYPE,
     };
     adc_digi_pattern_config_t adc_pattern[SOC_ADC_PATT_LEN_MAX] = {0};
     adc_pattern[0].atten = ADC_ATTEN_DB_12;