common/peripheral: do not require mut in PeripheralRef clone_unchecked.

2 files changed, 2 insertions, 3 deletions

diff --git a/embassy-stm32/src/flash/common.rs b/embassy-stm32/src/flash/common.rs
index 8235d6f08..1189e447e 100644
--- a/embassy-stm32/src/flash/common.rs
+++ b/embassy-stm32/src/flash/common.rs
@@ -33,8 +33,7 @@ impl<'d> Flash<'d> {
     }
 
     pub(crate) fn release(self) -> PeripheralRef<'d, crate::peripherals::FLASH> {
-        let mut flash = self;
-        unsafe { flash.inner.clone_unchecked() }
+        unsafe { self.inner.clone_unchecked() }
     }
 }
 
diff --git a/embassy-stm32/src/flash/f4.rs b/embassy-stm32/src/flash/f4.rs
index 2ce9df69f..60ac62c17 100644
--- a/embassy-stm32/src/flash/f4.rs
+++ b/embassy-stm32/src/flash/f4.rs
@@ -67,7 +67,7 @@ mod alt_regions {
 
             // SAFETY: We never expose the cloned peripheral references, and their instance is not public.
             // Also, all flash region operations are protected with a cs.
-            let mut p = self.release();
+            let p = self.release();
             AltFlashLayout {
                 bank1_region1: Bank1Region1(&BANK1_REGION1, unsafe { p.clone_unchecked() }),
                 bank1_region2: Bank1Region2(&BANK1_REGION2, unsafe { p.clone_unchecked() }),