diff --git a/include/oneapi/dpl/pstl/execution_impl.h b/include/oneapi/dpl/pstl/execution_impl.h
index 79ed46570bf..c6f32f17495 100644
--- a/include/oneapi/dpl/pstl/execution_impl.h
+++ b/include/oneapi/dpl/pstl/execution_impl.h
@@ -106,25 +106,25 @@ __select_backend(oneapi::dpl::execution::parallel_unsequenced_policy, _IteratorT
 namespace __ranges
 {
 
-::oneapi::dpl::__internal::__serial_tag<std::false_type>
+inline ::oneapi::dpl::__internal::__serial_tag<std::false_type>
 __select_backend(oneapi::dpl::execution::sequenced_policy)
 {
     return {};
 }
 
-::oneapi::dpl::__internal::__serial_tag<std::true_type> //vectorization allowed
+inline ::oneapi::dpl::__internal::__serial_tag<std::true_type> //vectorization allowed
 __select_backend(oneapi::dpl::execution::unsequenced_policy)
 {
     return {};
 }
 
-::oneapi::dpl::__internal::__parallel_tag<std::false_type>
+inline ::oneapi::dpl::__internal::__parallel_tag<std::false_type>
 __select_backend(oneapi::dpl::execution::parallel_policy)
 {
     return {};
 }
 
-::oneapi::dpl::__internal::__parallel_tag<std::true_type> //vectorization allowed
+inline ::oneapi::dpl::__internal::__parallel_tag<std::true_type> //vectorization allowed
 __select_backend(oneapi::dpl::execution::parallel_unsequenced_policy)
 {
     return {};
diff --git a/include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_radix_sort_one_wg.h b/include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_radix_sort_one_wg.h
index 8bc09527384..6dd3b193a08 100644
--- a/include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_radix_sort_one_wg.h
+++ b/include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_radix_sort_one_wg.h
@@ -146,7 +146,6 @@ struct __subgroup_radix_sort
         auto
         operator()(sycl::queue __q, _RangeIn&& __src, _Proj __proj, _SLM_tag_val, _SLM_counter)
         {
-            constexpr std::uint16_t __req_sub_group_size = 16;
             uint16_t __n = __src.size();
             assert(__n <= __block_size * __wg_size);
 
@@ -164,9 +163,12 @@ struct __subgroup_radix_sort
                 auto __counter_lacc = __buf_count.get_acc(__cgh);
 
                 __cgh.parallel_for<_Name...>(
-                    __range,
-                    ([=](sycl::nd_item<1> __it)[[_ONEDPL_SYCL_REQD_SUB_GROUP_SIZE_IF_SUPPORTED(__req_sub_group_size)]] {
-                        union __storage { _ValT __v[__block_size]; __storage(){} } __values;
+                    __range, ([=](sycl::nd_item<1> __it) [[_ONEDPL_SYCL_REQD_SUB_GROUP_SIZE_IF_SUPPORTED(16)]] {
+                        union __storage
+                        {
+                            _ValT __v[__block_size];
+                            __storage() {}
+                        } __values;
                         uint16_t __wi = __it.get_local_linear_id();
                         uint16_t __begin_bit = 0;
                         constexpr uint16_t __end_bit = sizeof(_KeyT) * ::std::numeric_limits<unsigned char>::digits;