diff --git a/ports/stm32f4/common-hal/analogio/AnalogIn.c b/ports/stm32f4/common-hal/analogio/AnalogIn.c
index f4cf022d13..3ee3c4dbbb 100644
--- a/ports/stm32f4/common-hal/analogio/AnalogIn.c
+++ b/ports/stm32f4/common-hal/analogio/AnalogIn.c
@@ -119,27 +119,6 @@ uint16_t common_hal_analogio_analogin_get_value(analogio_analogin_obj_t *self) {
     HAL_ADC_PollForConversion(&AdcHandle,1); 
     uint16_t value = (uint16_t)HAL_ADC_GetValue(&AdcHandle);
     HAL_ADC_Stop(&AdcHandle);
-
-    //LL Implementation
-    // if (LL_ADC_IsEnabled(ADCx) == 0)
-    // {
-    //     LL_ADC_REG_SetTriggerSource(ADCx, LL_ADC_REG_TRIG_SOFTWARE);
-    //     LL_ADC_REG_SetContinuousMode(ADCx, LL_ADC_REG_CONV_SINGLE);
-    //     LL_ADC_REG_SetSequencerLength(ADCx, LL_ADC_REG_SEQ_SCAN_DISABLE);
-    //     //LL_ADC_REG_SetSequencerRanks(ADCx, LL_ADC_REG_RANK_1, self->pin->adc_channel);
-    //     //^ Above is WRONG: channel value requires inserted channel information. Hard to iterate through. 
-    //     LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_4);
-
-    //     LL_ADC_SetChannelSamplingTime(ADCx, self->pin->adc_channel, LL_ADC_SAMPLINGTIME_56CYCLES);
-    //     LL_ADC_EnableIT_OVR(ADCx);
-    // }
-    // LL_ADC_Enable(ADCx);
-    // uint16_t uhADCxConvertedData = (__LL_ADC_DIGITAL_SCALE(LL_ADC_RESOLUTION_12B) + 1);
-    // LL_ADC_REG_StartConversionSWStart(ADCx);
-    // while (LL_ADC_IsActiveFlag_EOCS(ADCx) == 0) {}
-    // /* Retrieve ADC conversion data */
-    // /* (data scale corresponds to ADC resolution: 12 bits) */
-    // uhADCxConvertedData = LL_ADC_REG_ReadConversionData12(ADCx);
     
     // // Shift the value to be 16 bit.
     return value << 4;