diff --git a/serde/src/de/impls.rs b/serde/src/de/impls.rs
index 1d5a4c5d..409f6cbc 100644
--- a/serde/src/de/impls.rs
+++ b/serde/src/de/impls.rs
@@ -10,7 +10,7 @@ use de::MapAccess;
 use seed::InPlaceSeed;
 
 #[cfg(any(feature = "std", feature = "alloc"))]
-use __private::de::size_hint;
+use __private::size_hint;
 
 ////////////////////////////////////////////////////////////////////////////////
 
diff --git a/serde/src/de/value.rs b/serde/src/de/value.rs
index c3a55a4b..1b154c3a 100644
--- a/serde/src/de/value.rs
+++ b/serde/src/de/value.rs
@@ -24,7 +24,7 @@
 use lib::*;
 
 use self::private::{First, Second};
-use __private::de::size_hint;
+use __private::size_hint;
 use de::{self, Deserializer, Expected, IntoDeserializer, SeqAccess, Visitor};
 use ser;
 
diff --git a/serde/src/private/de.rs b/serde/src/private/de.rs
index 77588cb2..0c2f3b82 100644
--- a/serde/src/private/de.rs
+++ b/serde/src/private/de.rs
@@ -191,29 +191,6 @@ where
         .map(From::from)
 }
 
-pub mod size_hint {
-    use lib::*;
-
-    pub fn from_bounds<I>(iter: &I) -> Option<usize>
-    where
-        I: Iterator,
-    {
-        helper(iter.size_hint())
-    }
-
-    #[inline]
-    pub fn cautious(hint: Option<usize>) -> usize {
-        cmp::min(hint.unwrap_or(0), 4096)
-    }
-
-    fn helper(bounds: (usize, Option<usize>)) -> Option<usize> {
-        match bounds {
-            (lower, Some(upper)) if lower == upper => Some(upper),
-            _ => None,
-        }
-    }
-}
-
 #[cfg(any(feature = "std", feature = "alloc"))]
 mod content {
     // This module is private and nothing here should be used outside of
@@ -228,7 +205,7 @@ mod content {
 
     use lib::*;
 
-    use super::size_hint;
+    use __private::size_hint;
     use de::{
         self, Deserialize, DeserializeSeed, Deserializer, EnumAccess, Expected, IgnoredAny,
         MapAccess, SeqAccess, Unexpected, Visitor,
diff --git a/serde/src/private/mod.rs b/serde/src/private/mod.rs
index 27f9d0ed..0bd5ca87 100644
--- a/serde/src/private/mod.rs
+++ b/serde/src/private/mod.rs
@@ -1,5 +1,6 @@
 pub mod de;
 pub mod ser;
+pub mod size_hint;
 
 // FIXME: #[cfg(doctest)] once https://github.com/rust-lang/rust/issues/67295 is fixed.
 pub mod doc;
diff --git a/serde/src/private/size_hint.rs b/serde/src/private/size_hint.rs
new file mode 100644
index 00000000..f1e34183
--- /dev/null
+++ b/serde/src/private/size_hint.rs
@@ -0,0 +1,20 @@
+use lib::*;
+
+pub fn from_bounds<I>(iter: &I) -> Option<usize>
+where
+    I: Iterator,
+{
+    helper(iter.size_hint())
+}
+
+#[inline]
+pub fn cautious(hint: Option<usize>) -> usize {
+    cmp::min(hint.unwrap_or(0), 4096)
+}
+
+fn helper(bounds: (usize, Option<usize>)) -> Option<usize> {
+    match bounds {
+        (lower, Some(upper)) if lower == upper => Some(upper),
+        _ => None,
+    }
+}