diff --git a/boards/arm/frdm_kw41z/Kconfig.defconfig b/boards/arm/frdm_kw41z/Kconfig.defconfig
index 94562e30bca..596f8f341b7 100644
--- a/boards/arm/frdm_kw41z/Kconfig.defconfig
+++ b/boards/arm/frdm_kw41z/Kconfig.defconfig
@@ -63,4 +63,8 @@ config SPI_0
 	default y
 	depends on SPI
 
+choice ADC_MCUX_ADC16_VREF
+	default ADC_MCUX_ADC16_VREF_ALTERNATE
+endchoice
+
 endif # BOARD_FRDM_KW41Z
diff --git a/boards/arm/frdm_kw41z/frdm_kw41z_defconfig b/boards/arm/frdm_kw41z/frdm_kw41z_defconfig
index 362f6a7722c..94199e476ab 100644
--- a/boards/arm/frdm_kw41z/frdm_kw41z_defconfig
+++ b/boards/arm/frdm_kw41z/frdm_kw41z_defconfig
@@ -10,4 +10,3 @@ CONFIG_GPIO=y
 CONFIG_PINMUX=y
 CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=40000000
 CONFIG_OSC_EXTERNAL=y
-CONFIG_ADC_MCUX_ADC16_VREF_ALTERNATE=y
diff --git a/drivers/adc/Kconfig.mcux b/drivers/adc/Kconfig.mcux
index 18efeb482d0..930a4b29b58 100644
--- a/drivers/adc/Kconfig.mcux
+++ b/drivers/adc/Kconfig.mcux
@@ -35,7 +35,7 @@ config ADC_MCUX_ADC16_CLK_DIV_RATIO_8
 
 endchoice
 
-choice
+choice ADC_MCUX_ADC16_VREF
 	prompt "Voltage Reference Selection"
 	default ADC_MCUX_ADC16_VREF_DEFAULT