diff --git a/crates/storage/codecs/derive/src/compact/mod.rs b/crates/storage/codecs/derive/src/compact/mod.rs
index d281dc9096..6190b668e6 100644
--- a/crates/storage/codecs/derive/src/compact/mod.rs
+++ b/crates/storage/codecs/derive/src/compact/mod.rs
@@ -141,7 +141,7 @@ fn load_field_from_segments(
         }
 
         if is_enum {
-            fields.push(FieldTypes::EnumUnnamedField((ftype.to_string(), use_alt_impl)));
+            fields.push(FieldTypes::EnumUnnamedField((ftype, use_alt_impl)));
         } else {
             let should_compact = is_flag_type(&ftype) ||
                 field.attrs.iter().any(|attr| {
@@ -162,8 +162,8 @@ fn load_field_from_segments(
 /// Vec/Option we try to find out if it's a Vec/Option of a fixed size data type, e.g. `Vec<B256>`.
 ///
 /// If so, we use another impl to code/decode its data.
-fn should_use_alt_impl(ftype: &String, segment: &syn::PathSegment) -> bool {
-    if *ftype == "Vec" || *ftype == "Option" {
+fn should_use_alt_impl(ftype: &str, segment: &syn::PathSegment) -> bool {
+    if ftype == "Vec" || ftype == "Option" {
         if let syn::PathArguments::AngleBracketed(ref args) = segment.arguments {
             if let Some(syn::GenericArgument::Type(syn::Type::Path(arg_path))) = args.args.last() {
                 if let (Some(path), 1) =