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diff --git a/tensorflow/core/kernels/spectrogram_test_utils.h b/tensorflow/core/kernels/spectrogram_test_utils.h
deleted file mode 100644
index 59a903549e..0000000000
--- a/tensorflow/core/kernels/spectrogram_test_utils.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
-
-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.
-==============================================================================*/
-
-#ifndef THIRD_PARTY_TENSORFLOW_CORE_KERNELS_SPECTROGRAM_TEST_UTILS_H_
-#define THIRD_PARTY_TENSORFLOW_CORE_KERNELS_SPECTROGRAM_TEST_UTILS_H_
-
-#include <complex>
-#include <string>
-#include <vector>
-
-#include "tensorflow/core/framework/types.h"
-
-namespace tensorflow {
-
-// Reads a wav format file into a vector of floating-point values with range
-// -1.0 to 1.0.
-bool ReadWaveFileToVector(const string& file_name, std::vector<double>* data);
-
-// Reads a binary file containing 32-bit floating point values in the
-// form [real_1, imag_1, real_2, imag_2, ...] into a rectangular array
-// of complex values where row_length is the length of each inner vector.
-bool ReadRawFloatFileToComplexVector(
-    const string& file_name, int row_length,
-    std::vector<std::vector<std::complex<double> > >* data);
-
-// Reads a CSV file of numbers in the format 1.1+2.2i,1.1,2.2i,3.3j into data.
-void ReadCSVFileToComplexVectorOrDie(
-    const string& file_name,
-    std::vector<std::vector<std::complex<double> > >* data);
-
-// Reads a 2D array of floats from an ASCII text file, where each line is a row
-// of the array, and elements are separated by commas.
-void ReadCSVFileToArrayOrDie(const string& filename,
-                             std::vector<std::vector<float> >* array);
-
-// Write a binary file containing 64-bit floating-point values for
-// reading by, for example, MATLAB.
-bool WriteDoubleVectorToFile(const string& file_name,
-                             const std::vector<double>& data);
-
-// Write a binary file containing 32-bit floating-point values for
-// reading by, for example, MATLAB.
-bool WriteFloatVectorToFile(const string& file_name,
-                            const std::vector<float>& data);
-
-// Write a binary file containing 64-bit floating-point values for
-// reading by, for example, MATLAB.
-bool WriteDoubleArrayToFile(const string& file_name, int size,
-                            const double* data);
-
-// Write a binary file containing 32-bit floating-point values for
-// reading by, for example, MATLAB.
-bool WriteFloatArrayToFile(const string& file_name, int size,
-                           const float* data);
-
-// Write a binary file in the format read by
-// ReadRawDoubleFileToComplexVector above.
-bool WriteComplexVectorToRawFloatFile(
-    const string& file_name,
-    const std::vector<std::vector<std::complex<double> > >& data);
-
-// Generate a sine wave with the provided parameters, and populate
-// data with the samples.
-void SineWave(int sample_rate, float frequency, float duration_seconds,
-              std::vector<double>* data);
-
-}  // namespace tensorflow
-
-#endif  // THIRD_PARTY_TENSORFLOW_CORE_KERNELS_SPECTROGRAM_TEST_UTILS_H_