diff --git a/crates/macros/src/impl_.rs b/crates/macros/src/impl_.rs
index d26f60ee0..49fb9dc3e 100644
--- a/crates/macros/src/impl_.rs
+++ b/crates/macros/src/impl_.rs
@@ -1,9 +1,8 @@
-use std::collections::HashMap;
-
 use anyhow::{anyhow, bail, Result};
 use darling::{FromMeta, ToTokens};
 use proc_macro2::TokenStream;
 use quote::quote;
+use std::collections::HashMap;
 use syn::{Attribute, AttributeArgs, ItemImpl, Lit, Meta, NestedMeta};
 
 use crate::helpers::get_docs;
@@ -20,22 +19,17 @@ pub enum Visibility {
     Private,
 }
 
-#[derive(Debug, Copy, Clone, FromMeta)]
+#[derive(Debug, Copy, Clone, FromMeta, Default)]
 pub enum RenameRule {
     #[darling(rename = "none")]
     None,
     #[darling(rename = "camelCase")]
+    #[default]
     Camel,
     #[darling(rename = "snake_case")]
     Snake,
 }
 
-impl Default for RenameRule {
-    fn default() -> Self {
-        RenameRule::Camel
-    }
-}
-
 impl RenameRule {
     /// Change case of an identifier.
     ///
diff --git a/src/zend/class.rs b/src/zend/class.rs
index e3f6cee3a..dc06a3285 100644
--- a/src/zend/class.rs
+++ b/src/zend/class.rs
@@ -61,7 +61,6 @@ impl ClassEntry {
             .contains(ClassFlags::ResolvedInterfaces)
             .then(|| unsafe {
                 (0..self.num_interfaces)
-                    .into_iter()
                     .map(move |i| *self.__bindgen_anon_3.interfaces.offset(i as _))
                     .filter_map(|ptr| ptr.as_ref())
             })