diff --git a/embassy-stm32/src/adc/f1.rs b/embassy-stm32/src/adc/f1.rs
index 8a3b4be5..4282a655 100644
--- a/embassy-stm32/src/adc/f1.rs
+++ b/embassy-stm32/src/adc/f1.rs
@@ -3,7 +3,7 @@ use core::marker::PhantomData;
 use embassy_hal_common::into_ref;
 use embedded_hal_02::blocking::delay::DelayUs;
 
-use crate::adc::{AdcPin, Instance, SampleTime};
+use crate::adc::{Adc, AdcPin, Instance, SampleTime};
 use crate::rcc::get_freqs;
 use crate::time::Hertz;
 use crate::Peripheral;
@@ -29,11 +29,6 @@ impl<T: Instance> super::sealed::AdcPin<T> for Temperature {
     }
 }
 
-pub struct Adc<'d, T: Instance> {
-    sample_time: SampleTime,
-    phantom: PhantomData<&'d mut T>,
-}
-
 impl<'d, T: Instance> Adc<'d, T> {
     pub fn new(_peri: impl Peripheral<P = T> + 'd, delay: &mut impl DelayUs<u32>) -> Self {
         into_ref!(_peri);
diff --git a/embassy-stm32/src/adc/mod.rs b/embassy-stm32/src/adc/mod.rs
index 439fe0ba..70c1025e 100644
--- a/embassy-stm32/src/adc/mod.rs
+++ b/embassy-stm32/src/adc/mod.rs
@@ -22,6 +22,12 @@ pub use sample_time::SampleTime;
 
 use crate::peripherals;
 
+#[cfg(not(adc_v1))]
+pub struct Adc<'d, T: Instance> {
+    sample_time: SampleTime,
+    phantom: core::marker::PhantomData<&'d mut T>,
+}
+
 pub(crate) mod sealed {
     pub trait Instance {
         fn regs() -> crate::pac::adc::Adc;
diff --git a/embassy-stm32/src/adc/v2.rs b/embassy-stm32/src/adc/v2.rs
index 2cdaa00d..f1e65dc5 100644
--- a/embassy-stm32/src/adc/v2.rs
+++ b/embassy-stm32/src/adc/v2.rs
@@ -4,7 +4,7 @@ use embassy_hal_common::into_ref;
 use embedded_hal_02::blocking::delay::DelayUs;
 
 use super::InternalChannel;
-use crate::adc::{AdcPin, Instance, Resolution, SampleTime};
+use crate::adc::{Adc, AdcPin, Instance, Resolution, SampleTime};
 use crate::peripherals::ADC1;
 use crate::time::Hertz;
 use crate::Peripheral;
@@ -92,11 +92,6 @@ impl Prescaler {
     }
 }
 
-pub struct Adc<'d, T: Instance> {
-    sample_time: SampleTime,
-    phantom: PhantomData<&'d mut T>,
-}
-
 impl<'d, T> Adc<'d, T>
 where
     T: Instance,
diff --git a/embassy-stm32/src/adc/v3.rs b/embassy-stm32/src/adc/v3.rs
index c6898f54..ee5f278b 100644
--- a/embassy-stm32/src/adc/v3.rs
+++ b/embassy-stm32/src/adc/v3.rs
@@ -3,7 +3,7 @@ use core::marker::PhantomData;
 use embassy_hal_common::into_ref;
 use embedded_hal_02::blocking::delay::DelayUs;
 
-use crate::adc::{AdcPin, Instance, Resolution, SampleTime};
+use crate::adc::{Adc, AdcPin, Instance, Resolution, SampleTime};
 use crate::Peripheral;
 
 /// Default VREF voltage used for sample conversion to millivolts.
@@ -60,11 +60,6 @@ impl<T: Instance> super::sealed::AdcPin<T> for Vbat {
     }
 }
 
-pub struct Adc<'d, T: Instance> {
-    sample_time: SampleTime,
-    phantom: PhantomData<&'d mut T>,
-}
-
 impl<'d, T: Instance> Adc<'d, T> {
     pub fn new(_peri: impl Peripheral<P = T> + 'd, delay: &mut impl DelayUs<u32>) -> Self {
         into_ref!(_peri);
diff --git a/embassy-stm32/src/adc/v4.rs b/embassy-stm32/src/adc/v4.rs
index 750f3480..c83674e6 100644
--- a/embassy-stm32/src/adc/v4.rs
+++ b/embassy-stm32/src/adc/v4.rs
@@ -5,7 +5,7 @@ use embedded_hal_02::blocking::delay::DelayUs;
 use pac::adc::vals::{Adcaldif, Boost, Difsel, Exten, Pcsel};
 use pac::adccommon::vals::Presc;
 
-use super::{AdcPin, Instance, InternalChannel, Resolution, SampleTime};
+use super::{Adc, AdcPin, Instance, InternalChannel, Resolution, SampleTime};
 use crate::time::Hertz;
 use crate::{pac, Peripheral};
 
@@ -225,11 +225,6 @@ impl Prescaler {
     }
 }
 
-pub struct Adc<'d, T: Instance> {
-    sample_time: SampleTime,
-    phantom: PhantomData<&'d mut T>,
-}
-
 impl<'d, T: Instance + crate::rcc::RccPeripheral> Adc<'d, T> {
     pub fn new(_peri: impl Peripheral<P = T> + 'd, delay: &mut impl DelayUs<u16>) -> Self {
         embassy_hal_common::into_ref!(_peri);