diff --git a/src/core.rs b/src/core.rs
index cf13ba7..67527eb 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -99,18 +99,6 @@ pub trait Resolver<'a, Ctx: 'a + Context>: 'a {
     fn resolve(self: Rc<Self>, address: Address) -> HashResolution<'a, Ctx>;
 }
 
-/// Trait representing a readable stream used for parsing.
-///
-/// See [`Serializer`], [`Factory::deserialize`].
-pub trait Deserializer {
-    /// Read at most `n` bytes.
-    fn read_n(&mut self, n: usize) -> &[u8];
-    /// Read til the end of the stream.
-    fn read_all(&mut self) -> &[u8];
-    /// See [`Serializer::tell`].
-    fn tell(&self) -> usize;
-}
-
 /// Short-hand for the type of vaalues returned by [`Factory::deserialize`].
 pub type ParseResult<'a, Ctx, F> =
     Result<<F as Factory<'a, Ctx>>::Mtbl, <F as Factory<'a, Ctx>>::ParseError>;
@@ -222,22 +210,6 @@ impl Addresses {
     }
 }
 
-/// Extension trait for [Deserializer]s.
-pub trait ExtDeserializer {
-    /// Try to read exactly `N` bytes.
-    fn read_n_const<const N: usize>(&mut self) -> Result<[u8; N], &[u8]>;
-}
-
-impl<D: ?Sized + Deserializer> ExtDeserializer for D {
-    fn read_n_const<const N: usize>(&mut self) -> Result<[u8; N], &[u8]> {
-        let slice = self.read_n(N);
-        match slice.try_into() {
-            Ok(array) => Ok(array),
-            Err(_) => Err(slice),
-        }
-    }
-}
-
 struct ResolverOrigin<'a, Ctx: 'a + Context, F: Factory<'a, Ctx>> {
     r_factory: F,
     r_address: Address,
diff --git a/src/core/serialization.rs b/src/core/serialization.rs
index 8bdf8d4..da8a98e 100644
--- a/src/core/serialization.rs
+++ b/src/core/serialization.rs
@@ -24,3 +24,31 @@ impl Serializer for Vec<u8> {
         self.len()
     }
 }
+
+/// Trait representing a readable stream used for parsing.
+///
+/// See [`Serializer`], [`Factory::deserialize`].
+pub trait Deserializer {
+    /// Read at most `n` bytes.
+    fn read_n(&mut self, n: usize) -> &[u8];
+    /// Read til the end of the stream.
+    fn read_all(&mut self) -> &[u8];
+    /// See [`Serializer::tell`].
+    fn tell(&self) -> usize;
+}
+
+/// Extension trait for [Deserializer]s.
+pub trait ExtDeserializer {
+    /// Try to read exactly `N` bytes.
+    fn read_n_const<const N: usize>(&mut self) -> Result<[u8; N], &[u8]>;
+}
+
+impl<D: ?Sized + Deserializer> ExtDeserializer for D {
+    fn read_n_const<const N: usize>(&mut self) -> Result<[u8; N], &[u8]> {
+        let slice = self.read_n(N);
+        match slice.try_into() {
+            Ok(array) => Ok(array),
+            Err(_) => Err(slice),
+        }
+    }
+}