diff --git a/yaserde_derive/src/de/mod.rs b/yaserde_derive/src/de/mod.rs
index ec5d9a2..ed0d17e 100644
--- a/yaserde_derive/src/de/mod.rs
+++ b/yaserde_derive/src/de/mod.rs
@@ -3,7 +3,7 @@ pub mod expand_enum;
 pub mod expand_struct;
 
 use crate::common::YaSerdeAttribute;
-use proc_macro2::{Ident, TokenStream};
+use proc_macro2::TokenStream;
 use quote::quote;
 
 pub fn expand_derive_deserialize(ast: &syn::DeriveInput) -> Result<TokenStream, String> {
@@ -42,11 +42,9 @@ pub fn expand_derive_deserialize(ast: &syn::DeriveInput) -> Result<TokenStream,
     syn::Data::Union(ref _data_union) => unimplemented!(),
   };
 
-  let dummy_const = Ident::new(&format!("_IMPL_YA_DESERIALIZE_FOR_{}", name), name.span());
-
   Ok(quote! {
     #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
-    const #dummy_const: () = {
+    const _: () = {
       use ::std::str::FromStr as _;
       use ::yaserde::Visitor as _;
 
diff --git a/yaserde_derive/src/ser/mod.rs b/yaserde_derive/src/ser/mod.rs
index a09e181..f1064e6 100644
--- a/yaserde_derive/src/ser/mod.rs
+++ b/yaserde_derive/src/ser/mod.rs
@@ -6,7 +6,7 @@ pub mod label;
 pub mod namespace;
 
 use crate::common::YaSerdeAttribute;
-use proc_macro2::{Ident, TokenStream};
+use proc_macro2::TokenStream;
 use quote::quote;
 
 pub fn expand_derive_serialize(ast: &syn::DeriveInput) -> Result<TokenStream, String> {
@@ -33,11 +33,9 @@ pub fn expand_derive_serialize(ast: &syn::DeriveInput) -> Result<TokenStream, St
     syn::Data::Union(ref _data_union) => unimplemented!(),
   };
 
-  let dummy_const = Ident::new(&format!("_IMPL_YA_SERIALIZE_FOR_{}", name), name.span());
-
   Ok(quote! {
     #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
-    const #dummy_const: () = {
+    const _: () = {
       use ::std::str::FromStr as _;
 
       #impl_block