fix warnings

1 files changed, 1 insertions, 9 deletions

diff --git a/embassy-stm32/src/adc/u5_adc4.rs b/embassy-stm32/src/adc/u5_adc4.rs
index 5dec0caa9..8d0c1abed 100644
--- a/embassy-stm32/src/adc/u5_adc4.rs
+++ b/embassy-stm32/src/adc/u5_adc4.rs
@@ -178,6 +178,7 @@ pub trait Instance: SealedInstance + crate::Peripheral<P = Self> + crate::rcc::R
 }
 
 pub struct Adc4<'d, T: Instance> {
+    #[allow(unused)]
     adc: crate::PeripheralRef<'d, T>,
 }
 
@@ -372,13 +373,4 @@ impl<'d, T: Instance> Adc4<'d, T> {
         let ret = self.convert();
         ret
     }
-
-    fn cancel_conversions() {
-        if T::regs().cr().read().adstart() && !T::regs().cr().read().addis() {
-            T::regs().cr().modify(|reg| {
-                reg.set_adstp(true);
-            });
-            while T::regs().cr().read().adstart() {}
-        }
-    }
 }
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