diff --git a/bigframes/core/indexes/base.py b/bigframes/core/indexes/base.py
index 900825996e..a90e0a8705 100644
--- a/bigframes/core/indexes/base.py
+++ b/bigframes/core/indexes/base.py
@@ -493,7 +493,7 @@ def __getitem__(self, key: int) -> typing.Any:
             raise NotImplementedError(f"Index key not supported {key}")
 
     @overload
-    def to_pandas(
+    def to_pandas(  # type: ignore[overload-overlap]
         self,
         *,
         allow_large_results: Optional[bool] = ...,
diff --git a/bigframes/dataframe.py b/bigframes/dataframe.py
index 38f663f56f..4955bb1295 100644
--- a/bigframes/dataframe.py
+++ b/bigframes/dataframe.py
@@ -1596,7 +1596,7 @@ def to_arrow(
         return pa_table
 
     @overload
-    def to_pandas(
+    def to_pandas(  # type: ignore[overload-overlap]
         self,
         max_download_size: Optional[int] = ...,
         sampling_method: Optional[str] = ...,