diff --git a/python/cudf/cudf/_lib/json.pyx b/python/cudf/cudf/_lib/json.pyx
index 9bbad0f61c3..f2e03391f08 100644
--- a/python/cudf/cudf/_lib/json.pyx
+++ b/python/cudf/cudf/_lib/json.pyx
@@ -1,7 +1,5 @@
 # Copyright (c) 2019-2024, NVIDIA CORPORATION.
 
-# cython: boundscheck = False
-
 import io
 import os
 from collections import abc
diff --git a/python/cudf/cudf/_lib/parquet.pyx b/python/cudf/cudf/_lib/parquet.pyx
index d3f5b423373..ce1cba59bec 100644
--- a/python/cudf/cudf/_lib/parquet.pyx
+++ b/python/cudf/cudf/_lib/parquet.pyx
@@ -1,7 +1,5 @@
 # Copyright (c) 2019-2024, NVIDIA CORPORATION.
 
-# cython: boundscheck = False
-
 import io
 
 import pyarrow as pa