diff --git a/optionalize-derive/src/util.rs b/optionalize-derive/src/util.rs
index 7dfdac2..7d7896f 100644
--- a/optionalize-derive/src/util.rs
+++ b/optionalize-derive/src/util.rs
@@ -1,6 +1,6 @@
-use syn::{punctuated::Punctuated, spanned::Spanned};
-
-pub(crate) fn struct_fields(struct_data: &syn::Data) -> &Punctuated<syn::Field, syn::token::Comma> {
+pub(crate) fn struct_fields(
+    struct_data: &syn::Data,
+) -> &syn::punctuated::Punctuated<syn::Field, syn::token::Comma> {
     match struct_data {
         syn::Data::Struct(syn::DataStruct {
             fields: syn::Fields::Named(syn::FieldsNamed { named, .. }),