diff --git a/cpp/daal/src/algorithms/dtrees/dtrees_model_impl.h b/cpp/daal/src/algorithms/dtrees/dtrees_model_impl.h
index b09f7e3026a..d9a1902bad2 100644
--- a/cpp/daal/src/algorithms/dtrees/dtrees_model_impl.h
+++ b/cpp/daal/src/algorithms/dtrees/dtrees_model_impl.h
@@ -356,10 +356,10 @@ void setProbabilities(const size_t treeId, const size_t nodeId, const size_t res
                       const double * const prob);
 
 template <typename ClassOrResponseType>
-static services::Status addLeafNodeInternal(const data_management::DataCollectionPtr & serializationData, const size_t treeId, const size_t parentId,
-                                            const size_t position, ClassOrResponseType response, double cover, size_t & res,
-                                            const data_management::DataCollectionPtr probTbl = data_management::DataCollectionPtr(),
-                                            const double * const prob = nullptr, const size_t nClasses = 0)
+services::Status addLeafNodeInternal(const data_management::DataCollectionPtr & serializationData, const size_t treeId, const size_t parentId,
+                                     const size_t position, ClassOrResponseType response, double cover, size_t & res,
+                                     const data_management::DataCollectionPtr probTbl = data_management::DataCollectionPtr(),
+                                     const double * const prob = nullptr, const size_t nClasses = 0)
 {
     const size_t noParent = static_cast<size_t>(-1);
     if (prob != nullptr)
diff --git a/cpp/daal/src/algorithms/dtrees/dtrees_model_impl_common.h b/cpp/daal/src/algorithms/dtrees/dtrees_model_impl_common.h
index 7c1563287f0..52ff47185e6 100644
--- a/cpp/daal/src/algorithms/dtrees/dtrees_model_impl_common.h
+++ b/cpp/daal/src/algorithms/dtrees/dtrees_model_impl_common.h
@@ -124,8 +124,8 @@ bool traverseNodeDF(size_t level, size_t iRowInTable, const DecisionTreeNode * a
 typedef services::Collection<size_t> NodeIdxArray;
 
 template <typename OnSplitFunctor, typename OnLeafFunctor>
-static bool traverseNodesBF(size_t level, NodeIdxArray & aCur, NodeIdxArray & aNext, const DecisionTreeNode * aNode, OnSplitFunctor & visitSplit,
-                            OnLeafFunctor & visitLeaf)
+bool traverseNodesBF(size_t level, NodeIdxArray & aCur, NodeIdxArray & aNext, const DecisionTreeNode * aNode, OnSplitFunctor & visitSplit,
+                     OnLeafFunctor & visitLeaf)
 {
     for (size_t i = 0; i < aCur.size(); ++i)
     {
diff --git a/cpp/oneapi/dal/backend/primitives/sort/sort_dpc.cpp b/cpp/oneapi/dal/backend/primitives/sort/sort_dpc.cpp
index f96c3ee9dee..8789df14bd2 100644
--- a/cpp/oneapi/dal/backend/primitives/sort/sort_dpc.cpp
+++ b/cpp/oneapi/dal/backend/primitives/sort/sort_dpc.cpp
@@ -26,6 +26,7 @@
 #pragma clang diagnostic ignored "-Wunused-local-typedef"
 #pragma clang diagnostic ignored "-Wsign-compare"
 #pragma clang diagnostic ignored "-Wkeyword-macro"
+#pragma clang diagnostic ignored "-Wunused-template"
 
 // Workaround: some oneTBB versions annotate the override of
 // std::exception::what() with __TBB_EXPORTED_METHOD, which on Windows-x86