diff --git a/src/lazy/expanded/macro_evaluator.rs b/src/lazy/expanded/macro_evaluator.rs
index 4137a647..9afe3686 100644
--- a/src/lazy/expanded/macro_evaluator.rs
+++ b/src/lazy/expanded/macro_evaluator.rs
@@ -1188,7 +1188,7 @@ impl<'top, D: Decoder> MakeFieldExpansion<'top, D> {
             .map_err(|_| {
                 IonError::decoding_error("`make_field`'s first argument must be a text value")
             })
-            .map(|text| SymbolRef::with_text(text))?;
+            .map(SymbolRef::with_text)?;
         let value = value_expr.evaluate_singleton_in(environment)?;
         let field = LazyExpandedField::new(LazyExpandedFieldName::MakeField(name), value);
         let lazy_expanded_struct = LazyExpandedStruct::from_make_field(context, field);
diff --git a/src/lazy/expanded/struct.rs b/src/lazy/expanded/struct.rs
index a7f97b1e..6871d796 100644
--- a/src/lazy/expanded/struct.rs
+++ b/src/lazy/expanded/struct.rs
@@ -92,7 +92,7 @@ impl<'top, D: Decoder> LazyExpandedFieldName<'top, D> {
                 name.read()?.resolve("a field name", *context)
             }
             LazyExpandedFieldName::TemplateName(_template_ref, symbol_ref) => Ok(*symbol_ref),
-            LazyExpandedFieldName::MakeField(symbol) => Ok((*symbol).into()),
+            LazyExpandedFieldName::MakeField(symbol) => Ok(*symbol),
         }
     }