diff --git a/rp2040-hal/Cargo.toml b/rp2040-hal/Cargo.toml
index c39ac50..7794cb9 100644
--- a/rp2040-hal/Cargo.toml
+++ b/rp2040-hal/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT OR Apache-2.0"
 cortex-m = "0.7.2"
 cortex-m-rt = ">=0.6.15,<0.8"
 embedded-hal = { version = "0.2.5", features = ["unproven"] }
-eh1_0_alpha = { package = "embedded-hal", version = "=1.0.0-alpha.8",  optional = true }
+eh1_0_alpha = { package = "embedded-hal", version = "=1.0.0-alpha.9",  optional = true }
 fugit = "0.3.6"
 itertools = { version = "0.10.1", default-features = false }
 nb = "1.0"
diff --git a/rp2040-hal/src/gpio/dynpin.rs b/rp2040-hal/src/gpio/dynpin.rs
index 68ceea3..974d67a 100644
--- a/rp2040-hal/src/gpio/dynpin.rs
+++ b/rp2040-hal/src/gpio/dynpin.rs
@@ -556,7 +556,7 @@ impl eh1::ErrorType for DynPin {
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl eh1::blocking::OutputPin for DynPin {
+impl eh1::OutputPin for DynPin {
     #[inline]
     fn set_high(&mut self) -> Result<(), Self::Error> {
         self._set_high()
@@ -568,7 +568,7 @@ impl eh1::blocking::OutputPin for DynPin {
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl eh1::blocking::InputPin for DynPin {
+impl eh1::InputPin for DynPin {
     #[inline]
     fn is_high(&self) -> Result<bool, Self::Error> {
         self._is_high()
@@ -580,7 +580,7 @@ impl eh1::blocking::InputPin for DynPin {
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl eh1::blocking::ToggleableOutputPin for DynPin {
+impl eh1::ToggleableOutputPin for DynPin {
     #[inline]
     fn toggle(&mut self) -> Result<(), Self::Error> {
         self._toggle()
@@ -588,7 +588,7 @@ impl eh1::blocking::ToggleableOutputPin for DynPin {
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl eh1::blocking::StatefulOutputPin for DynPin {
+impl eh1::StatefulOutputPin for DynPin {
     #[inline]
     fn is_set_high(&self) -> Result<bool, Self::Error> {
         self._is_set_high()
diff --git a/rp2040-hal/src/gpio/pin.rs b/rp2040-hal/src/gpio/pin.rs
index fac7c73..1b6e7c8 100644
--- a/rp2040-hal/src/gpio/pin.rs
+++ b/rp2040-hal/src/gpio/pin.rs
@@ -881,7 +881,7 @@ where
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl<I, C> eh1::blocking::OutputPin for Pin<I, Output<C>>
+impl<I, C> eh1::OutputPin for Pin<I, Output<C>>
 where
     I: PinId,
     C: OutputConfig,
@@ -899,7 +899,7 @@ where
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl<I> eh1::blocking::InputPin for Pin<I, ReadableOutput>
+impl<I> eh1::InputPin for Pin<I, ReadableOutput>
 where
     I: PinId,
 {
@@ -923,7 +923,7 @@ where
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl<I, C> eh1::blocking::InputPin for Pin<I, Input<C>>
+impl<I, C> eh1::InputPin for Pin<I, Input<C>>
 where
     I: PinId,
     C: InputConfig,
@@ -939,7 +939,7 @@ where
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl<I, C> eh1::blocking::ToggleableOutputPin for Pin<I, Output<C>>
+impl<I, C> eh1::ToggleableOutputPin for Pin<I, Output<C>>
 where
     I: PinId,
     C: OutputConfig,
@@ -952,7 +952,7 @@ where
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl<I, C> eh1::blocking::StatefulOutputPin for Pin<I, Output<C>>
+impl<I, C> eh1::StatefulOutputPin for Pin<I, Output<C>>
 where
     I: PinId,
     C: OutputConfig,
diff --git a/rp2040-hal/src/i2c/controller.rs b/rp2040-hal/src/i2c/controller.rs
index 862f9f2..fdcfa3e 100644
--- a/rp2040-hal/src/i2c/controller.rs
+++ b/rp2040-hal/src/i2c/controller.rs
@@ -279,7 +279,7 @@ impl<T: Deref<Target = Block>, PINS> eh1::ErrorType for I2C<T, PINS, Controller>
 }
 
 #[cfg(feature = "eh1_0_alpha")]
-impl<T: Deref<Target = Block>, PINS> eh1::blocking::I2c for I2C<T, PINS, Controller> {
+impl<T: Deref<Target = Block>, PINS> eh1::I2c for I2C<T, PINS, Controller> {
     fn write(&mut self, addr: u8, bytes: &[u8]) -> Result<(), Self::Error> {
         Write::write(self, addr, bytes)
     }
@@ -330,15 +330,15 @@ impl<T: Deref<Target = Block>, PINS> eh1::blocking::I2c for I2C<T, PINS, Control
     fn transaction<'a>(
         &mut self,
         address: u8,
-        operations: &mut [eh1::blocking::Operation<'a>],
+        operations: &mut [eh1::Operation<'a>],
     ) -> Result<(), Self::Error> {
         let addr: u16 = address.into();
         self.setup(addr);
         for i in 0..operations.len() {
             let last = i == operations.len() - 1;
             match &mut operations[i] {
-                eh1::blocking::Operation::Read(buf) => self.read_internal(buf, false, last)?,
-                eh1::blocking::Operation::Write(buf) => self.write_internal(buf, last)?,
+                eh1::Operation::Read(buf) => self.read_internal(buf, false, last)?,
+                eh1::Operation::Write(buf) => self.write_internal(buf, last)?,
             }
         }
         Ok(())
@@ -346,7 +346,7 @@ impl<T: Deref<Target = Block>, PINS> eh1::blocking::I2c for I2C<T, PINS, Control
 
     fn transaction_iter<'a, O>(&mut self, address: u8, operations: O) -> Result<(), Self::Error>
     where
-        O: IntoIterator<Item = eh1::blocking::Operation<'a>>,
+        O: IntoIterator<Item = eh1::Operation<'a>>,
     {
         let addr: u16 = address.into();
         self.setup(addr);
@@ -354,8 +354,8 @@ impl<T: Deref<Target = Block>, PINS> eh1::blocking::I2c for I2C<T, PINS, Control
         while let Some(operation) = peekable.next() {
             let last = peekable.peek().is_none();
             match operation {
-                eh1::blocking::Operation::Read(buf) => self.read_internal(buf, false, last)?,
-                eh1::blocking::Operation::Write(buf) => self.write_internal(buf, last)?,
+                eh1::Operation::Read(buf) => self.read_internal(buf, false, last)?,
+                eh1::Operation::Write(buf) => self.write_internal(buf, last)?,
             }
         }
         Ok(())
diff --git a/rp2040-hal/src/spi.rs b/rp2040-hal/src/spi.rs
index 7ecbbab..ca158fd 100644
--- a/rp2040-hal/src/spi.rs
+++ b/rp2040-hal/src/spi.rs
@@ -253,6 +253,7 @@ macro_rules! impl_write {
             type Error = SpiInfallible;
         }
 
+/* disabled for now - nb was migrated to separate crate
         #[cfg(feature = "eh1_0_alpha")]
         impl<D: SpiDevice> eh1::nb::FullDuplex<$type> for Spi<Enabled, D, $nr> {
             fn read(&mut self) -> Result<$type, nb::Error<SpiInfallible>> {
@@ -276,6 +277,7 @@ macro_rules! impl_write {
                 Ok(())
             }
         }
+*/
 
     )+
 
diff --git a/rp2040-hal/src/uart/peripheral.rs b/rp2040-hal/src/uart/peripheral.rs
index 7bdd0d2..b0e5f3b 100644
--- a/rp2040-hal/src/uart/peripheral.rs
+++ b/rp2040-hal/src/uart/peripheral.rs
@@ -357,6 +357,7 @@ impl<D: UartDevice, P: ValidUartPinout<D>> eh1::ErrorType for UartPeripheral<Ena
     type Error = ReadErrorType;
 }
 
+/* disabled for now - nb was migrated to separate crate
 #[cfg(feature = "eh1_0_alpha")]
 impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Read<u8> for UartPeripheral<Enabled, D, P> {
     fn read(&mut self) -> nb::Result<u8, Self::Error> {
@@ -371,6 +372,8 @@ impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Read<u8> for UartPeripheral<
         }
     }
 }
+*/
+
 impl<D: UartDevice, P: ValidUartPinout<D>> Write<u8> for UartPeripheral<Enabled, D, P> {
     type Error = Infallible;
 
@@ -387,6 +390,7 @@ impl<D: UartDevice, P: ValidUartPinout<D>> Write<u8> for UartPeripheral<Enabled,
     }
 }
 
+/* disabled for now - nb was migrated to separate crate
 #[cfg(feature = "eh1_0_alpha")]
 impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Write<u8> for UartPeripheral<Enabled, D, P> {
     fn write(&mut self, word: u8) -> nb::Result<(), Self::Error> {
@@ -404,6 +408,7 @@ impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Write<u8> for UartPeripheral
         })
     }
 }
+*/
 
 impl<D: UartDevice, P: ValidUartPinout<D>> fmt::Write for UartPeripheral<Enabled, D, P> {
     fn write_str(&mut self, s: &str) -> fmt::Result {
diff --git a/rp2040-hal/src/uart/reader.rs b/rp2040-hal/src/uart/reader.rs
index 272d5b2..0528169 100644
--- a/rp2040-hal/src/uart/reader.rs
+++ b/rp2040-hal/src/uart/reader.rs
@@ -239,6 +239,7 @@ impl<D: UartDevice, P: ValidUartPinout<D>> eh1::ErrorType for Reader<D, P> {
     type Error = ReadErrorType;
 }
 
+/* disabled for now - nb was migrated to separate crate
 #[cfg(feature = "eh1_0_alpha")]
 impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Read<u8> for Reader<D, P> {
     fn read(&mut self) -> nb::Result<u8, Self::Error> {
@@ -253,3 +254,4 @@ impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Read<u8> for Reader<D, P> {
         }
     }
 }
+*/
diff --git a/rp2040-hal/src/uart/writer.rs b/rp2040-hal/src/uart/writer.rs
index 34a50cf..89ffe49 100644
--- a/rp2040-hal/src/uart/writer.rs
+++ b/rp2040-hal/src/uart/writer.rs
@@ -187,6 +187,7 @@ impl<D: UartDevice, P: ValidUartPinout<D>> eh1::ErrorType for Writer<D, P> {
     type Error = super::utils::SerialInfallible;
 }
 
+/* disabled for now - nb was migrated to separate crate
 #[cfg(feature = "eh1_0_alpha")]
 impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Write<u8> for Writer<D, P> {
     fn write(&mut self, word: u8) -> nb::Result<(), Self::Error> {
@@ -204,6 +205,7 @@ impl<D: UartDevice, P: ValidUartPinout<D>> eh1::nb::Write<u8> for Writer<D, P> {
         })
     }
 }
+*/
 
 impl<D: UartDevice, P: ValidUartPinout<D>> fmt::Write for Writer<D, P> {
     fn write_str(&mut self, s: &str) -> fmt::Result {