diff --git a/cpp/src/join/mixed_join_kernel.cuh b/cpp/src/join/mixed_join_kernel.cuh
index 368b1fba870..4565626edad 100644
--- a/cpp/src/join/mixed_join_kernel.cuh
+++ b/cpp/src/join/mixed_join_kernel.cuh
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2024, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2025, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,8 +37,6 @@ namespace detail {
 
 namespace cg = cooperative_groups;
 
-#pragma GCC diagnostic ignored "-Wattributes"
-
 template <cudf::size_type block_size, bool has_nulls>
 CUDF_KERNEL void __launch_bounds__(block_size)
   mixed_join(table_device_view left_table,
diff --git a/cpp/src/join/mixed_join_kernels_semi.cu b/cpp/src/join/mixed_join_kernels_semi.cu
index a4ec97af235..4c063b6202e 100644
--- a/cpp/src/join/mixed_join_kernels_semi.cu
+++ b/cpp/src/join/mixed_join_kernels_semi.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2024, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2025, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,8 +30,6 @@ namespace detail {
 
 namespace cg = cooperative_groups;
 
-#pragma GCC diagnostic ignored "-Wattributes"
-
 template <cudf::size_type block_size, bool has_nulls>
 CUDF_KERNEL void __launch_bounds__(block_size)
   mixed_join_semi(table_device_view left_table,
diff --git a/cpp/src/join/mixed_join_size_kernel.cuh b/cpp/src/join/mixed_join_size_kernel.cuh
index 98170ed719a..869d05ce4d3 100644
--- a/cpp/src/join/mixed_join_size_kernel.cuh
+++ b/cpp/src/join/mixed_join_size_kernel.cuh
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2024, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2025, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,8 +34,6 @@ namespace cudf {
 namespace detail {
 namespace cg = cooperative_groups;
 
-#pragma GCC diagnostic ignored "-Wattributes"
-
 template <int block_size, bool has_nulls>
 CUDF_KERNEL void __launch_bounds__(block_size)
   compute_mixed_join_output_size(table_device_view left_table,