diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d02016e..69c68592 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ In addition to original Keep-a-Changelog, we use following rules:
 ### Changed
 - Remove `field` attr from enumerations. https://github.com/ricosjp/ruststep/pull/233
 - Recursive `get_owned` for select type without boxed variant. https://github.com/ricosjp/ruststep/pull/234
+- Hide `XXHolderVisitor` in document https://github.com/ricosjp/ruststep/pull/247
 
 ### Fixed
 - Plural class names are converted as is. https://github.com/ricosjp/ruststep/pull/245
diff --git a/ruststep-derive/src/lib.rs b/ruststep-derive/src/lib.rs
index cfc36474..57f5f9df 100644
--- a/ruststep-derive/src/lib.rs
+++ b/ruststep-derive/src/lib.rs
@@ -219,6 +219,7 @@ mod snapshot_tests {
                 deserializer.deserialize_tuple_struct("S1", 0, S1HolderVisitor {})
             }
         }
+        #[doc(hidden)]
         pub struct S1HolderVisitor;
         impl<'de> ::ruststep::serde::de::Visitor<'de> for S1HolderVisitor {
             type Value = S1Holder;
@@ -331,6 +332,7 @@ mod snapshot_tests {
                 deserializer.deserialize_tuple_struct("BASE_ANY", 0, BaseAnyHolderVisitor {})
             }
         }
+        #[doc(hidden)]
         pub struct BaseAnyHolderVisitor;
         impl<'de> ::ruststep::serde::de::Visitor<'de> for BaseAnyHolderVisitor {
             type Value = BaseAnyHolder;
diff --git a/ruststep-derive/src/select.rs b/ruststep-derive/src/select.rs
index 62e4e424..ed8e9ac9 100644
--- a/ruststep-derive/src/select.rs
+++ b/ruststep-derive/src/select.rs
@@ -170,6 +170,7 @@ impl Input {
         let serde = serde_crate();
 
         quote! {
+            #[doc(hidden)]
             pub struct #holder_visitor_ident;
 
             impl<'de> #serde::de::Visitor<'de> for #holder_visitor_ident {