diff --git a/drivers/adc/adc_stm32.c b/drivers/adc/adc_stm32.c
index 70d00dbdbd9..794b2e636ca 100644
--- a/drivers/adc/adc_stm32.c
+++ b/drivers/adc/adc_stm32.c
@@ -405,6 +405,7 @@ static void adc_stm32_oversampling_scope(ADC_TypeDef *adc, uint32_t ovs_scope)
 	LL_ADC_SetOverSamplingScope(adc, ovs_scope);
 }
 
+#if !defined(CONFIG_SOC_SERIES_STM32H7X)
 /*
  * Function to configure the oversampling ratio and shift. It is basically a
  * wrapper over LL_ADC_SetOverSamplingRatioShift() which in addition stops the
@@ -426,6 +427,7 @@ static void adc_stm32_oversampling_ratioshift(ADC_TypeDef *adc, uint32_t ratio,
 #endif
 	LL_ADC_ConfigOverSamplingRatioShift(adc, ratio, shift);
 }
+#endif
 
 	/*
 	 * Function to configure the oversampling ratio and shit using stm32 LL