diff --git a/frb_codegen/src/library/codegen/ir/ty/delegate.rs b/frb_codegen/src/library/codegen/ir/ty/delegate.rs
index 81ab3f3f0b..7ac6c8b291 100644
--- a/frb_codegen/src/library/codegen/ir/ty/delegate.rs
+++ b/frb_codegen/src/library/codegen/ir/ty/delegate.rs
@@ -75,13 +75,10 @@ impl IrTypeTrait for IrTypeDelegate {
     ) {
         self.get_delegate().visit_types(f, ir_context);
 
-        // TODO avoid this hack
-        // extras
-        // if let Self::TimeList(ir) = self {
-        //     IrType::Delegate(IrTypeDelegate::Time(*ir)).visit_types(f, ir_context);
-        // }
+        #[allow(clippy::single_match)]
         match self {
             Self::StreamSink(ir) => ir.inner.visit_types(f, ir_context),
+            // ... others
             _ => {}
         }
     }
diff --git a/frb_codegen/src/library/codegen/parser/function_parser/mod.rs b/frb_codegen/src/library/codegen/parser/function_parser/mod.rs
index 35d5fc2f87..85c2cdc35f 100644
--- a/frb_codegen/src/library/codegen/parser/function_parser/mod.rs
+++ b/frb_codegen/src/library/codegen/parser/function_parser/mod.rs
@@ -33,6 +33,7 @@ impl<'a, 'b> FunctionParser<'a, 'b> {
         Self { type_parser }
     }
 
+    #[allow(clippy::too_many_arguments)]
     pub(crate) fn parse_function(
         &mut self,
         func: &GeneralizedItemFn,
@@ -55,6 +56,7 @@ impl<'a, 'b> FunctionParser<'a, 'b> {
         .with_context(|| format!("function={:?}", func.sig().ident))
     }
 
+    #[allow(clippy::too_many_arguments)]
     fn parse_function_inner(
         &mut self,
         func: &GeneralizedItemFn,