diff --git a/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs b/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs
index f3090b5..6722f07 100644
--- a/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs
+++ b/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs
@@ -86,7 +86,7 @@ impl ToTokens for PyClassInfo {
         } = self;
         let module = quote_option(module);
         let bases: Vec<_> = bases
-            .into_iter()
+            .iter()
             .map(|(mod_, name)| {
                 let mod_ = quote_option(mod_);
                 quote! { (#mod_, #name) }
diff --git a/pyo3-stub-gen/src/generate/class.rs b/pyo3-stub-gen/src/generate/class.rs
index 7a3112c..cbfacf5 100644
--- a/pyo3-stub-gen/src/generate/class.rs
+++ b/pyo3-stub-gen/src/generate/class.rs
@@ -47,7 +47,7 @@ impl fmt::Display for ClassDef {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         let bases = self
             .bases
-            .into_iter()
+            .iter()
             .map(|(m, n)| {
                 m.map(|m| format!("{m}.{n}"))
                     .unwrap_or_else(|| n.to_string())