diff --git a/cpp/src/join/mixed_join_size_kernel.cuh b/cpp/src/join/mixed_join_size_kernel.cuh
index 2d863b0cc4e..dbfb1c946ed 100644
--- a/cpp/src/join/mixed_join_size_kernel.cuh
+++ b/cpp/src/join/mixed_join_size_kernel.cuh
@@ -36,20 +36,19 @@ namespace cg = cooperative_groups;
 #pragma GCC diagnostic ignored "-Wattributes"
 
 template <int block_size, bool has_nulls>
-CUDF_HIDDEN __launch_bounds__(block_size) __global__
-  void compute_mixed_join_output_size(
-    table_device_view left_table,
-    table_device_view right_table,
-    table_device_view probe,
-    table_device_view build,
-    row_hash const hash_probe,
-    row_equality const equality_probe,
-    join_kind const join_type,
-    cudf::detail::mixed_multimap_type::device_view hash_table_view,
-    ast::detail::expression_device_view device_expression_data,
-    bool const swap_tables,
-    std::size_t* output_size,
-    cudf::device_span<cudf::size_type> matches_per_row)
+CUDF_HIDDEN __launch_bounds__(block_size) __global__void
+  compute_mixed_join_output_size(table_device_view left_table,
+                                 table_device_view right_table,
+                                 table_device_view probe,
+                                 table_device_view build,
+                                 row_hash const hash_probe,
+                                 row_equality const equality_probe,
+                                 join_kind const join_type,
+                                 cudf::detail::mixed_multimap_type::device_view hash_table_view,
+                                 ast::detail::expression_device_view device_expression_data,
+                                 bool const swap_tables,
+                                 std::size_t* output_size,
+                                 cudf::device_span<cudf::size_type> matches_per_row)
 {
   // The (required) extern storage of the shared memory array leads to
   // conflicting declarations between different templates. The easiest