diff --git a/serde/src/private/ser.rs b/serde/src/private/ser.rs
index 87ced064..7a801c9d 100644
--- a/serde/src/private/ser.rs
+++ b/serde/src/private/ser.rs
@@ -1357,19 +1357,9 @@ where
 }
 
 pub struct AdjacentlyTaggedEnumVariant {
-    tag: &'static str,
-    variant_index: u32,
-    variant_name: &'static str,
-}
-
-impl AdjacentlyTaggedEnumVariant {
-    pub fn new(tag: &'static str, variant_index: u32, variant_name: &'static str) -> Self {
-        AdjacentlyTaggedEnumVariant {
-            tag,
-            variant_index,
-            variant_name,
-        }
-    }
+    pub tag: &'static str,
+    pub variant_index: u32,
+    pub variant_name: &'static str,
 }
 
 impl Serialize for AdjacentlyTaggedEnumVariant {
diff --git a/serde_derive/src/ser.rs b/serde_derive/src/ser.rs
index e501e2d0..8a0f58dd 100644
--- a/serde_derive/src/ser.rs
+++ b/serde_derive/src/ser.rs
@@ -648,7 +648,13 @@ fn serialize_adjacently_tagged_variant(
     let this_type = &params.this_type;
     let type_name = cattrs.name().serialize_name();
     let variant_name = variant.attrs.name().serialize_name();
-    let variant = quote!(&_serde::__private::ser::AdjacentlyTaggedEnumVariant::new(#tag, #variant_index, #variant_name));
+    let serialize_variant = quote! {
+        &_serde::__private::ser::AdjacentlyTaggedEnumVariant {
+            tag: #tag,
+            variant_index: #variant_index,
+            variant_name: #variant_name,
+        }
+    };
 
     let inner = Stmts(if let Some(path) = variant.attrs.serialize_with() {
         let ser = wrap_serialize_variant_with(params, path, variant);
@@ -662,7 +668,7 @@ fn serialize_adjacently_tagged_variant(
                     let mut __struct = _serde::Serializer::serialize_struct(
                         __serializer, #type_name, 1)?;
                     _serde::ser::SerializeStruct::serialize_field(
-                        &mut __struct, #tag, #variant)?;
+                        &mut __struct, #tag, #serialize_variant)?;
                     _serde::ser::SerializeStruct::end(__struct)
                 };
             }
@@ -679,7 +685,7 @@ fn serialize_adjacently_tagged_variant(
                     let mut __struct = _serde::Serializer::serialize_struct(
                         __serializer, #type_name, 2)?;
                     _serde::ser::SerializeStruct::serialize_field(
-                        &mut __struct, #tag, #variant)?;
+                        &mut __struct, #tag, #serialize_variant)?;
                     #func(
                         &mut __struct, #content, #field_expr)?;
                     _serde::ser::SerializeStruct::end(__struct)
@@ -744,7 +750,7 @@ fn serialize_adjacently_tagged_variant(
         let mut __struct = _serde::Serializer::serialize_struct(
             __serializer, #type_name, 2)?;
         _serde::ser::SerializeStruct::serialize_field(
-            &mut __struct, #tag, #variant)?;
+            &mut __struct, #tag, #serialize_variant)?;
         _serde::ser::SerializeStruct::serialize_field(
             &mut __struct, #content, &__AdjacentlyTagged {
                 data: (#(#fields_ident,)*),