diff --git a/codegen/src/parse.rs b/codegen/src/parse.rs
index 10872ea..448188d 100644
--- a/codegen/src/parse.rs
+++ b/codegen/src/parse.rs
@@ -86,7 +86,10 @@
                 _ => panic!("Enum representation not supported"),
             };
 
-            types::Variant::new(variant.ident.to_string(), fields)
+            types::Variant {
+                ident: variant.ident.to_string(),
+                fields,
+            }
         })
         .collect()
 }
@@ -132,7 +135,10 @@
                         _ => panic!(),
                     };
 
-                    types::Type::Punctuated(types::Punctuated::new(nested, punct))
+                    types::Type::Punctuated(types::Punctuated {
+                        element: Box::new(nested),
+                        punct,
+                    })
                 }
                 "Vec" => {
                     let nested = introspect_type(first_arg(&last.arguments), items, tokens);
@@ -468,7 +474,7 @@
 
             assert!(input.is_empty());
 
-            Ok(types::Features::new(features))
+            Ok(types::Features { any: features })
         }
     }
 }
diff --git a/codegen/src/types.rs b/codegen/src/types.rs
index e593a66..cc6733c 100644
--- a/codegen/src/types.rs
+++ b/codegen/src/types.rs
@@ -73,29 +73,10 @@
 
 #[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
 pub struct Features {
-    any: Vec<String>,
-}
-
-impl Variant {
-    pub fn new(ident: String, fields: Vec<Type>) -> Variant {
-        Variant { ident, fields }
-    }
-}
-
-impl Punctuated {
-    pub fn new(element: Type, punct: String) -> Self {
-        Punctuated {
-            element: Box::new(element),
-            punct,
-        }
-    }
+    pub any: Vec<String>,
 }
 
 impl Features {
-    pub fn new(any: Vec<String>) -> Features {
-        Features { any }
-    }
-
     pub fn join(&mut self, other: &Features) {
         if self.any.is_empty() {
             self.any = other.any.clone();