diff --git a/embassy-stm32/src/eth/v1/mod.rs b/embassy-stm32/src/eth/v1/mod.rs
index 1ab0438a..38629a93 100644
--- a/embassy-stm32/src/eth/v1/mod.rs
+++ b/embassy-stm32/src/eth/v1/mod.rs
@@ -29,7 +29,7 @@ use super::*;
 
 pub struct State<'d, T: Instance, const TX: usize, const RX: usize>(StateStorage<Inner<'d, T, TX, RX>>);
 impl<'d, T: Instance, const TX: usize, const RX: usize> State<'d, T, TX, RX> {
-    pub fn new() -> Self {
+    pub const fn new() -> Self {
         Self(StateStorage::new())
     }
 }
diff --git a/embassy-stm32/src/eth/v2/mod.rs b/embassy-stm32/src/eth/v2/mod.rs
index d67c3c5e..a81ee118 100644
--- a/embassy-stm32/src/eth/v2/mod.rs
+++ b/embassy-stm32/src/eth/v2/mod.rs
@@ -19,7 +19,7 @@ use super::*;
 
 pub struct State<'d, T: Instance, const TX: usize, const RX: usize>(StateStorage<Inner<'d, T, TX, RX>>);
 impl<'d, T: Instance, const TX: usize, const RX: usize> State<'d, T, TX, RX> {
-    pub fn new() -> Self {
+    pub const fn new() -> Self {
         Self(StateStorage::new())
     }
 }
diff --git a/embassy-stm32/src/usart/buffered.rs b/embassy-stm32/src/usart/buffered.rs
index a7fa4389..5f6dabb3 100644
--- a/embassy-stm32/src/usart/buffered.rs
+++ b/embassy-stm32/src/usart/buffered.rs
@@ -11,7 +11,7 @@ use super::*;
 
 pub struct State<'d, T: BasicInstance>(StateStorage<StateInner<'d, T>>);
 impl<'d, T: BasicInstance> State<'d, T> {
-    pub fn new() -> Self {
+    pub const fn new() -> Self {
         Self(StateStorage::new())
     }
 }