diff --git a/embassy-stm32/src/cordic/mod.rs b/embassy-stm32/src/cordic/mod.rs
index 6bbc48f2b..9ac10e714 100644
--- a/embassy-stm32/src/cordic/mod.rs
+++ b/embassy-stm32/src/cordic/mod.rs
@@ -3,6 +3,7 @@
 use embassy_hal_internal::drop::OnDrop;
 use embassy_hal_internal::{into_ref, Peripheral, PeripheralRef};
 
+use crate::pac::cordic::vals;
 use crate::{dma, peripherals};
 
 mod enums;
@@ -11,9 +12,6 @@ pub use enums::*;
 mod errors;
 pub use errors::*;
 
-mod sealed;
-use self::sealed::SealedInstance;
-
 pub mod utils;
 
 /// CORDIC driver
@@ -22,6 +20,120 @@ pub struct Cordic<'d, T: Instance> {
     config: Config,
 }
 
+/// Cordic instance
+trait SealedInstance {
+    /// Get access to CORDIC registers
+    fn regs() -> crate::pac::cordic::Cordic;
+
+    /// Set Function value
+    fn set_func(&self, func: Function) {
+        Self::regs()
+            .csr()
+            .modify(|v| v.set_func(vals::Func::from_bits(func as u8)));
+    }
+
+    /// Set Precision value
+    fn set_precision(&self, precision: Precision) {
+        Self::regs()
+            .csr()
+            .modify(|v| v.set_precision(vals::Precision::from_bits(precision as u8)))
+    }
+
+    /// Set Scale value
+    fn set_scale(&self, scale: Scale) {
+        Self::regs()
+            .csr()
+            .modify(|v| v.set_scale(vals::Scale::from_bits(scale as u8)))
+    }
+
+    /// Enable global interrupt
+    fn enable_irq(&self) {
+        Self::regs().csr().modify(|v| v.set_ien(true))
+    }
+
+    /// Disable global interrupt
+    fn disable_irq(&self) {
+        Self::regs().csr().modify(|v| v.set_ien(false))
+    }
+
+    /// Enable Read DMA
+    fn enable_read_dma(&self) {
+        Self::regs().csr().modify(|v| {
+            v.set_dmaren(true);
+        })
+    }
+
+    /// Disable Read DMA
+    fn disable_read_dma(&self) {
+        Self::regs().csr().modify(|v| {
+            v.set_dmaren(false);
+        })
+    }
+
+    /// Enable Write DMA
+    fn enable_write_dma(&self) {
+        Self::regs().csr().modify(|v| {
+            v.set_dmawen(true);
+        })
+    }
+
+    /// Disable Write DMA
+    fn disable_write_dma(&self) {
+        Self::regs().csr().modify(|v| {
+            v.set_dmawen(false);
+        })
+    }
+
+    /// Set NARGS value
+    fn set_argument_count(&self, n: AccessCount) {
+        Self::regs().csr().modify(|v| {
+            v.set_nargs(match n {
+                AccessCount::One => vals::Num::NUM1,
+                AccessCount::Two => vals::Num::NUM2,
+            })
+        })
+    }
+
+    /// Set NRES value
+    fn set_result_count(&self, n: AccessCount) {
+        Self::regs().csr().modify(|v| {
+            v.set_nres(match n {
+                AccessCount::One => vals::Num::NUM1,
+                AccessCount::Two => vals::Num::NUM2,
+            });
+        })
+    }
+
+    /// Set ARGSIZE and RESSIZE value
+    fn set_data_width(&self, arg: Width, res: Width) {
+        Self::regs().csr().modify(|v| {
+            v.set_argsize(match arg {
+                Width::Bits32 => vals::Size::BITS32,
+                Width::Bits16 => vals::Size::BITS16,
+            });
+            v.set_ressize(match res {
+                Width::Bits32 => vals::Size::BITS32,
+                Width::Bits16 => vals::Size::BITS16,
+            })
+        })
+    }
+
+    /// Read RRDY flag
+    fn ready_to_read(&self) -> bool {
+        Self::regs().csr().read().rrdy()
+    }
+
+    /// Write value to WDATA
+    fn write_argument(&self, arg: u32) {
+        Self::regs().wdata().write_value(arg)
+    }
+
+    /// Read value from RDATA
+    fn read_result(&self) -> u32 {
+        Self::regs().rdata().read()
+    }
+}
+
 /// CORDIC instance trait
 #[allow(private_bounds)]
 pub trait Instance: SealedInstance + Peripheral<P = Self> + crate::rcc::RccPeripheral {}
diff --git a/embassy-stm32/src/cordic/sealed.rs b/embassy-stm32/src/cordic/sealed.rs
deleted file mode 100644
index 8f0bd1830..000000000
--- a/embassy-stm32/src/cordic/sealed.rs
+++ /dev/null
@@ -1,116 +0,0 @@
-use super::*;
-use crate::pac::cordic::vals;
-
-/// Cordic instance
-pub(super) trait SealedInstance {
-    /// Get access to CORDIC registers
-    fn regs() -> crate::pac::cordic::Cordic;
-
-    /// Set Function value
-    fn set_func(&self, func: Function) {
-        Self::regs()
-            .csr()
-            .modify(|v| v.set_func(vals::Func::from_bits(func as u8)));
-    }
-
-    /// Set Precision value
-    fn set_precision(&self, precision: Precision) {
-        Self::regs()
-            .csr()
-            .modify(|v| v.set_precision(vals::Precision::from_bits(precision as u8)))
-    }
-
-    /// Set Scale value
-    fn set_scale(&self, scale: Scale) {
-        Self::regs()
-            .csr()
-            .modify(|v| v.set_scale(vals::Scale::from_bits(scale as u8)))
-    }
-
-    /// Enable global interrupt
-    fn enable_irq(&self) {
-        Self::regs().csr().modify(|v| v.set_ien(true))
-    }
-
-    /// Disable global interrupt
-    fn disable_irq(&self) {
-        Self::regs().csr().modify(|v| v.set_ien(false))
-    }
-
-    /// Enable Read DMA
-    fn enable_read_dma(&self) {
-        Self::regs().csr().modify(|v| {
-            v.set_dmaren(true);
-        })
-    }
-
-    /// Disable Read DMA
-    fn disable_read_dma(&self) {
-        Self::regs().csr().modify(|v| {
-            v.set_dmaren(false);
-        })
-    }
-
-    /// Enable Write DMA
-    fn enable_write_dma(&self) {
-        Self::regs().csr().modify(|v| {
-            v.set_dmawen(true);
-        })
-    }
-
-    /// Disable Write DMA
-    fn disable_write_dma(&self) {
-        Self::regs().csr().modify(|v| {
-            v.set_dmawen(false);
-        })
-    }
-
-    /// Set NARGS value
-    fn set_argument_count(&self, n: AccessCount) {
-        Self::regs().csr().modify(|v| {
-            v.set_nargs(match n {
-                AccessCount::One => vals::Num::NUM1,
-                AccessCount::Two => vals::Num::NUM2,
-            })
-        })
-    }
-
-    /// Set NRES value
-    fn set_result_count(&self, n: AccessCount) {
-        Self::regs().csr().modify(|v| {
-            v.set_nres(match n {
-                AccessCount::One => vals::Num::NUM1,
-                AccessCount::Two => vals::Num::NUM2,
-            });
-        })
-    }
-
-    /// Set ARGSIZE and RESSIZE value
-    fn set_data_width(&self, arg: Width, res: Width) {
-        Self::regs().csr().modify(|v| {
-            v.set_argsize(match arg {
-                Width::Bits32 => vals::Size::BITS32,
-                Width::Bits16 => vals::Size::BITS16,
-            });
-            v.set_ressize(match res {
-                Width::Bits32 => vals::Size::BITS32,
-                Width::Bits16 => vals::Size::BITS16,
-            })
-        })
-    }
-
-    /// Read RRDY flag
-    fn ready_to_read(&self) -> bool {
-        Self::regs().csr().read().rrdy()
-    }
-
-    /// Write value to WDATA
-    fn write_argument(&self, arg: u32) {
-        Self::regs().wdata().write_value(arg)
-    }
-
-    /// Read value from RDATA
-    fn read_result(&self) -> u32 {
-        Self::regs().rdata().read()
-    }
-}
diff --git a/embassy-stm32/src/usart/buffered.rs b/embassy-stm32/src/usart/buffered.rs
index 51862e185..949ac1b13 100644
--- a/embassy-stm32/src/usart/buffered.rs
+++ b/embassy-stm32/src/usart/buffered.rs
@@ -105,27 +105,23 @@ impl<T: BasicInstance> interrupt::typelevel::Handler<T::Interrupt> for Interrupt
     }
 }
 
-pub(crate) use sealed::State;
-pub(crate) mod sealed {
-    use super::*;
-    pub struct State {
-        pub(crate) rx_waker: AtomicWaker,
-        pub(crate) rx_buf: RingBuffer,
-        pub(crate) tx_waker: AtomicWaker,
-        pub(crate) tx_buf: RingBuffer,
-        pub(crate) tx_done: AtomicBool,
-    }
+pub(crate) struct State {
+    pub(crate) rx_waker: AtomicWaker,
+    pub(crate) rx_buf: RingBuffer,
+    pub(crate) tx_waker: AtomicWaker,
+    pub(crate) tx_buf: RingBuffer,
+    pub(crate) tx_done: AtomicBool,
+}
 
-    impl State {
-        /// Create new state
-        pub const fn new() -> Self {
-            Self {
-                rx_buf: RingBuffer::new(),
-                tx_buf: RingBuffer::new(),
-                rx_waker: AtomicWaker::new(),
-                tx_waker: AtomicWaker::new(),
-                tx_done: AtomicBool::new(true),
-            }
+impl State {
+    /// Create new state
+    pub(crate) const fn new() -> Self {
+        Self {
+            rx_buf: RingBuffer::new(),
+            tx_buf: RingBuffer::new(),
+            rx_waker: AtomicWaker::new(),
+            tx_waker: AtomicWaker::new(),
+            tx_done: AtomicBool::new(true),
         }
     }
 }