diff --git a/src/arithmetic.rs b/src/arithmetic.rs
index 1a1061b740..e3dc6c4489 100644
--- a/src/arithmetic.rs
+++ b/src/arithmetic.rs
@@ -18,6 +18,7 @@ mod constant;
 pub mod bigint;
 
 pub mod montgomery;
+
 mod n0;
 
 #[allow(dead_code)]
diff --git a/src/arithmetic/bigint.rs b/src/arithmetic/bigint.rs
index 9d2b9d4241..f058c88d20 100644
--- a/src/arithmetic/bigint.rs
+++ b/src/arithmetic/bigint.rs
@@ -41,7 +41,6 @@ pub(crate) use self::{
     modulus::{Modulus, OwnedModulus, MODULUS_MAX_LIMBS},
     private_exponent::PrivateExponent,
 };
-use super::n0::N0;
 use crate::{
     arithmetic::montgomery::*,
     bits::BitLength,
diff --git a/src/arithmetic/bigint/modulus.rs b/src/arithmetic/bigint/modulus.rs
index dc7a9f880b..d10ff9c978 100644
--- a/src/arithmetic/bigint/modulus.rs
+++ b/src/arithmetic/bigint/modulus.rs
@@ -12,7 +12,7 @@
 // OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 // CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-use super::{super::n0::N0, BoxedLimbs, Elem, PublicModulus, Unencoded};
+use super::{BoxedLimbs, Elem, PublicModulus, Unencoded, N0};
 use crate::{
     bits::BitLength,
     cpu, error,
@@ -126,7 +126,7 @@ impl<M> OwnedModulus<M> {
                 debug_assert_eq!(LIMB_BITS, 32);
                 n_mod_r |= u64::from(n[1]) << 32;
             }
-            N0::from(unsafe { bn_neg_inv_mod_r_u64(n_mod_r) })
+            N0::precalculated(unsafe { bn_neg_inv_mod_r_u64(n_mod_r) })
         };
 
         let len_bits = limb::limbs_minimal_bits(&n);
diff --git a/src/arithmetic/montgomery.rs b/src/arithmetic/montgomery.rs
index 88a405a5c2..2f0fadf606 100644
--- a/src/arithmetic/montgomery.rs
+++ b/src/arithmetic/montgomery.rs
@@ -12,6 +12,8 @@
 // OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 // CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
+pub use super::n0::N0;
+
 // Indicates that the element is not encoded; there is no *R* factor
 // that needs to be canceled out.
 #[derive(Copy, Clone)]
@@ -107,10 +109,7 @@ impl ProductEncoding for (RRR, RInverse) {
 }
 
 #[allow(unused_imports)]
-use {
-    super::n0::N0,
-    crate::{bssl, c, limb::Limb},
-};
+use crate::{bssl, c, limb::Limb};
 
 #[cfg(not(any(
     target_arch = "aarch64",
diff --git a/src/arithmetic/n0.rs b/src/arithmetic/n0.rs
index 0fe18727c7..fb3fb20ba8 100644
--- a/src/arithmetic/n0.rs
+++ b/src/arithmetic/n0.rs
@@ -16,16 +16,14 @@ use crate::limb::Limb;
 
 #[derive(Clone, Copy)]
 #[repr(transparent)]
-pub(in super::super) struct N0([Limb; 2]);
+pub struct N0([Limb; 2]);
 
 impl N0 {
     #[cfg(feature = "alloc")]
     pub(super) const LIMBS_USED: usize = 64 / crate::limb::LIMB_BITS;
-}
 
-impl From<u64> for N0 {
     #[inline]
-    fn from(n0: u64) -> Self {
+    pub const fn precalculated(n0: u64) -> Self {
         #[cfg(target_pointer_width = "64")]
         {
             Self([n0, 0])