diff --git a/config/base/derive/src/proxy.rs b/config/base/derive/src/proxy.rs
index 37d0019beeb..e7b915bb118 100644
--- a/config/base/derive/src/proxy.rs
+++ b/config/base/derive/src/proxy.rs
@@ -7,7 +7,7 @@ use crate::utils;
 
 pub fn impl_proxy(ast: StructWithFields) -> TokenStream {
     // somewhat awkward conversion, could it be better?
-    let parent_name = ast.ident.clone();
+    let parent_name = &ast.ident;
     let parent_ty: Type = parse_quote! { #parent_name };
     let proxy_struct = gen_proxy_struct(ast);
     let loadenv_derive = quote! { ::iroha_config_base::derive::LoadFromEnv };
diff --git a/config/base/derive/src/utils.rs b/config/base/derive/src/utils.rs
index af2e8f718ae..52b490e5ba2 100644
--- a/config/base/derive/src/utils.rs
+++ b/config/base/derive/src/utils.rs
@@ -214,6 +214,7 @@ impl ToTokens for StructField {
 pub struct StructWithFields {
     pub attrs: Vec<Attribute>,
     pub env_prefix: String,
+    // pub parent_ty: Type,
     pub vis: syn::Visibility,
     _struct_token: Token![struct],
     pub ident: Ident,
@@ -231,6 +232,12 @@ impl Parse for StructWithFields {
             .find_map(Result::ok)
             .map(|pref| pref.prefix.value())
             .unwrap_or_default();
+        // let parent_ty = attrs
+        //     .iter()
+        //     .map(Builder::<BuilderParent>::parse)
+        //     .find_map(Result::ok)
+        //     .map(|builder| builder.parent)
+        //     .expect("???");
         Ok(Self {
             attrs,
             vis: input.parse()?,