diff --git a/embassy-nrf/src/spim.rs b/embassy-nrf/src/spim.rs
index ad37f071..3c0f6e04 100644
--- a/embassy-nrf/src/spim.rs
+++ b/embassy-nrf/src/spim.rs
@@ -5,7 +5,6 @@ use core::task::Poll;
 use embassy::util::WakerRegistration;
 use futures::future::poll_fn;
 
-use crate::fmt::*;
 use crate::hal::gpio::Port as GpioPort;
 use crate::interrupt::{self, Interrupt};
 use crate::util::peripheral::{PeripheralMutex, PeripheralState};
@@ -216,12 +215,6 @@ impl<U: Instance> PeripheralState for State<U> {
 
 mod sealed {
     pub trait Instance {}
-
-    impl Instance for crate::pac::SPIM0 {}
-    impl Instance for crate::pac::SPIM1 {}
-    impl Instance for crate::pac::SPIM2 {}
-    impl Instance for crate::pac::SPIM3 {}
-    impl<T: Instance> Instance for &mut T {}
 }
 
 pub trait Instance: sealed::Instance {
@@ -229,24 +222,40 @@ pub trait Instance: sealed::Instance {
     fn regs(&mut self) -> &pac::spim0::RegisterBlock;
 }
 
+impl sealed::Instance for pac::SPIM0 {}
 impl Instance for pac::SPIM0 {
+    #[cfg(feature = "52810")]
+    type Interrupt = interrupt::SPIM0_SPIS0_SPI0;
+    #[cfg(not(feature = "52810"))]
     type Interrupt = interrupt::SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0;
     fn regs(&mut self) -> &pac::spim0::RegisterBlock {
         self
     }
 }
+
+#[cfg(any(feature = "52832", feature = "52833", feature = "52840"))]
+impl sealed::Instance for pac::SPIM1 {}
+#[cfg(any(feature = "52832", feature = "52833", feature = "52840"))]
 impl Instance for pac::SPIM1 {
     type Interrupt = interrupt::SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1;
     fn regs(&mut self) -> &pac::spim0::RegisterBlock {
         self
     }
 }
+
+#[cfg(any(feature = "52832", feature = "52833", feature = "52840"))]
+impl sealed::Instance for pac::SPIM2 {}
+#[cfg(any(feature = "52832", feature = "52833", feature = "52840"))]
 impl Instance for pac::SPIM2 {
     type Interrupt = interrupt::SPIM2_SPIS2_SPI2;
     fn regs(&mut self) -> &pac::spim0::RegisterBlock {
         self
     }
 }
+
+#[cfg(any(feature = "52833", feature = "52840"))]
+impl sealed::Instance for pac::SPIM3 {}
+#[cfg(any(feature = "52833", feature = "52840"))]
 impl Instance for pac::SPIM3 {
     type Interrupt = interrupt::SPIM3;
     fn regs(&mut self) -> &pac::spim0::RegisterBlock {
@@ -254,6 +263,7 @@ impl Instance for pac::SPIM3 {
     }
 }
 
+impl<T: sealed::Instance> sealed::Instance for &mut T {}
 impl<T: Instance> Instance for &mut T {
     type Interrupt = T::Interrupt;
     fn regs(&mut self) -> &pac::spim0::RegisterBlock {