diff --git a/libcst/_nodes/base.py b/libcst/_nodes/base.py
index d9689f8f8..61161923d 100644
--- a/libcst/_nodes/base.py
+++ b/libcst/_nodes/base.py
@@ -341,7 +341,7 @@ def deep_clone(self: _CSTNodeSelfT) -> _CSTNodeSelfT:
         True
         """
         cloned_fields: Dict[str, object] = {}
-        for field in fields(self):
+        for field in fields(self):  # noqa: F402
             key = field.name
             if key[0] == "_":
                 continue
diff --git a/libcst/_parser/conversions/params.py b/libcst/_parser/conversions/params.py
index 9ac7f1d16..311ea02f3 100644
--- a/libcst/_parser/conversions/params.py
+++ b/libcst/_parser/conversions/params.py
@@ -102,7 +102,7 @@ def convert_argslist(  # noqa: C901
     kwonly_params: List[Param] = []
     star_kwarg: Optional[Param] = None
 
-    def add_param(
+    def add_param(  # noqa: C901
         current_param: Optional[List[Param]], param: Union[Param, ParamStar]
     ) -> Optional[List[Param]]:
         nonlocal star_arg