diff --git a/ngraph/core/reference/include/ngraph/runtime/reference/elu.hpp b/ngraph/core/reference/include/ngraph/runtime/reference/elu.hpp
index 3440ece42aa..d04b4c3a88a 100644
--- a/ngraph/core/reference/include/ngraph/runtime/reference/elu.hpp
+++ b/ngraph/core/reference/include/ngraph/runtime/reference/elu.hpp
@@ -30,9 +30,9 @@ namespace ngraph
             {
                 for (size_t i = 0; i < count; i++)
                 {
-                    out[i] = arg[i] < 0 ? alpha * (std::exp(arg[i]) - 1.0) : arg[i];
+                    out[i] = arg[i] < T(0) ? T(alpha * (std::exp(arg[i]) - 1.0)) : arg[i];
                 }
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/ngraph/test/runtime/interpreter/reference/gelu.hpp b/ngraph/core/reference/include/ngraph/runtime/reference/gelu.hpp
similarity index 100%
rename from ngraph/test/runtime/interpreter/reference/gelu.hpp
rename to ngraph/core/reference/include/ngraph/runtime/reference/gelu.hpp
diff --git a/ngraph/test/runtime/interpreter/reference/grn.hpp b/ngraph/core/reference/include/ngraph/runtime/reference/grn.hpp
similarity index 100%
rename from ngraph/test/runtime/interpreter/reference/grn.hpp
rename to ngraph/core/reference/include/ngraph/runtime/reference/grn.hpp
diff --git a/ngraph/test/runtime/interpreter/reference/mod.hpp b/ngraph/core/reference/include/ngraph/runtime/reference/mod.hpp
similarity index 100%
rename from ngraph/test/runtime/interpreter/reference/mod.hpp
rename to ngraph/core/reference/include/ngraph/runtime/reference/mod.hpp
diff --git a/ngraph/test/runtime/interpreter/reference/selu.hpp b/ngraph/core/reference/include/ngraph/runtime/reference/selu.hpp
similarity index 100%
rename from ngraph/test/runtime/interpreter/reference/selu.hpp
rename to ngraph/core/reference/include/ngraph/runtime/reference/selu.hpp
diff --git a/ngraph/test/runtime/interpreter/reference/transpose.hpp b/ngraph/core/reference/include/ngraph/runtime/reference/transpose.hpp
similarity index 100%
rename from ngraph/test/runtime/interpreter/reference/transpose.hpp
rename to ngraph/core/reference/include/ngraph/runtime/reference/transpose.hpp
diff --git a/ngraph/test/runtime/interpreter/evaluates_map.cpp b/ngraph/test/runtime/interpreter/evaluates_map.cpp
index b40942d3f5d..c96a14b3d90 100644
--- a/ngraph/test/runtime/interpreter/evaluates_map.cpp
+++ b/ngraph/test/runtime/interpreter/evaluates_map.cpp
@@ -19,52 +19,51 @@
 #include "backend.hpp"
 #include "ngraph/ops.hpp"
 
-#include <interpreter/reference/mod.hpp>
 #include <ngraph/runtime/reference/abs.hpp>
+#include <ngraph/runtime/reference/avg_pool.hpp>
 #include <ngraph/runtime/reference/batch_norm.hpp>
 #include <ngraph/runtime/reference/ceiling.hpp>
 #include <ngraph/runtime/reference/convert.hpp>
+#include <ngraph/runtime/reference/convolution.hpp>
+#include <ngraph/runtime/reference/ctc_greedy_decoder.hpp>
+#include <ngraph/runtime/reference/ctc_loss.hpp>
+#include <ngraph/runtime/reference/cum_sum.hpp>
+#include <ngraph/runtime/reference/detection_output.hpp>
+#include <ngraph/runtime/reference/elu.hpp>
+#include <ngraph/runtime/reference/embedding_bag_offsets_sum.hpp>
+#include <ngraph/runtime/reference/embedding_bag_packed_sum.hpp>
+#include <ngraph/runtime/reference/embedding_segments_sum.hpp>
 #include <ngraph/runtime/reference/extract_image_patches.hpp>
+#include <ngraph/runtime/reference/fake_quantize.hpp>
 #include <ngraph/runtime/reference/gather_nd.hpp>
+#include <ngraph/runtime/reference/gather_tree.hpp>
+#include <ngraph/runtime/reference/gelu.hpp>
+#include <ngraph/runtime/reference/grn.hpp>
 #include <ngraph/runtime/reference/gru_cell.hpp>
+#include <ngraph/runtime/reference/hard_sigmoid.hpp>
+#include <ngraph/runtime/reference/log_softmax.hpp>
+#include <ngraph/runtime/reference/lrn.hpp>
 #include <ngraph/runtime/reference/lstm_cell.hpp>
+#include <ngraph/runtime/reference/mod.hpp>
+#include <ngraph/runtime/reference/mvn.hpp>
 #include <ngraph/runtime/reference/non_max_suppression.hpp>
+#include <ngraph/runtime/reference/normalize_l2.hpp>
 #include <ngraph/runtime/reference/one_hot.hpp>
 #include <ngraph/runtime/reference/pad.hpp>
 #include <ngraph/runtime/reference/prior_box.hpp>
+#include <ngraph/runtime/reference/psroi_pooling.hpp>
 #include <ngraph/runtime/reference/region_yolo.hpp>
 #include <ngraph/runtime/reference/reorg_yolo.hpp>
 #include <ngraph/runtime/reference/reverse_sequence.hpp>
 #include <ngraph/runtime/reference/rnn_cell.hpp>
+#include <ngraph/runtime/reference/roi_pooling.hpp>
+#include <ngraph/runtime/reference/scatter_nd_update.hpp>
 #include <ngraph/runtime/reference/select.hpp>
+#include <ngraph/runtime/reference/selu.hpp>
 #include <ngraph/runtime/reference/sequences.hpp>
 #include <ngraph/runtime/reference/sign.hpp>
+#include <ngraph/runtime/reference/squared_difference.hpp>
 #include <ngraph/runtime/reference/tensor_iterator.hpp>
-#include "ngraph/runtime/reference/avg_pool.hpp"
-#include "ngraph/runtime/reference/convolution.hpp"
-#include "ngraph/runtime/reference/ctc_greedy_decoder.hpp"
-#include "ngraph/runtime/reference/ctc_loss.hpp"
-#include "ngraph/runtime/reference/cum_sum.hpp"
-#include "ngraph/runtime/reference/detection_output.hpp"
-#include "ngraph/runtime/reference/embedding_bag_offsets_sum.hpp"
-#include "ngraph/runtime/reference/embedding_bag_packed_sum.hpp"
-#include "ngraph/runtime/reference/embedding_segments_sum.hpp"
-#include "ngraph/runtime/reference/fake_quantize.hpp"
-#include "ngraph/runtime/reference/gather_tree.hpp"
-#include "ngraph/runtime/reference/hard_sigmoid.hpp"
-#include "ngraph/runtime/reference/log_softmax.hpp"
-#include "ngraph/runtime/reference/lrn.hpp"
-#include "ngraph/runtime/reference/mvn.hpp"
-#include "ngraph/runtime/reference/normalize_l2.hpp"
-#include "ngraph/runtime/reference/psroi_pooling.hpp"
-#include "ngraph/runtime/reference/region_yolo.hpp"
-#include "ngraph/runtime/reference/roi_pooling.hpp"
-#include "ngraph/runtime/reference/scatter_nd_update.hpp"
-#include "ngraph/runtime/reference/squared_difference.hpp"
-#include "reference/elu.hpp"
-#include "reference/gelu.hpp"
-#include "reference/grn.hpp"
-#include "reference/selu.hpp"
 
 using namespace ngraph;
 using namespace std;
diff --git a/ngraph/test/runtime/interpreter/reference/elu.hpp b/ngraph/test/runtime/interpreter/reference/elu.hpp
deleted file mode 100644
index d04b4c3a88a..00000000000
--- a/ngraph/test/runtime/interpreter/reference/elu.hpp
+++ /dev/null
@@ -1,38 +0,0 @@
-//*****************************************************************************
-// Copyright 2017-2020 Intel Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//*****************************************************************************
-
-#pragma once
-
-#include <cmath>
-#include <cstddef>
-
-namespace ngraph
-{
-    namespace runtime
-    {
-        namespace reference
-        {
-            template <typename T>
-            void elu(const T* arg, T* out, size_t count, double alpha)
-            {
-                for (size_t i = 0; i < count; i++)
-                {
-                    out[i] = arg[i] < T(0) ? T(alpha * (std::exp(arg[i]) - 1.0)) : arg[i];
-                }
-            }
-        }
-    }
-}
\ No newline at end of file