diff --git a/ambassador/src/delegate_shared.rs b/ambassador/src/delegate_shared.rs
index 1c890ab..3742196 100644
--- a/ambassador/src/delegate_shared.rs
+++ b/ambassador/src/delegate_shared.rs
@@ -101,11 +101,8 @@ pub(super) fn delegate_macro<I>(
     }
 
     let iter = delegate_attributes.map(|attr| delegate_single(input, attr));
-    let res = iter
-        .map(|x| x.unwrap_or_else(|err| err.to_compile_error()))
-        .flatten()
-        .collect();
-    res
+    iter.flat_map(|x| x.unwrap_or_else(|err| err.to_compile_error()))
+        .collect()
 }
 
 pub(super) fn trait_info(trait_path_full: &syn::Path) -> Result<(&Ident, impl ToTokens + '_)> {
diff --git a/ambassador/src/derive.rs b/ambassador/src/derive.rs
index 8214a10..3a01c0b 100644
--- a/ambassador/src/derive.rs
+++ b/ambassador/src/derive.rs
@@ -214,7 +214,7 @@ fn delegate_single_attr(
         (trg, SingleFieldStruct {field_ident, field_type}) => {
             match trg {
                 Field(f) if f != field_ident => {
-                    unknown_field(&f)?;
+                    unknown_field(f)?;
                 }
                 _ => {}
             }