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diff --git a/src/runtime/cpu/operators/CpuConcatenate.h b/src/runtime/cpu/operators/CpuConcatenate.h
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--- a/src/runtime/cpu/operators/CpuConcatenate.h
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-/*
- * Copyright (c) 2021 Arm Limited.
- *
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef ARM_COMPUTE_CPU_CONCATENATE_H
-#define ARM_COMPUTE_CPU_CONCATENATE_H
-
-#include "src/core/cpu/ICpuKernel.h"
-#include "src/runtime/cpu/ICpuOperator.h"
-
-#include <vector>
-
-namespace arm_compute
-{
-namespace cpu
-{
-/** Basic function to execute concatenate tensors along a given axis. This function calls the following kernels:
- *
- * -# @ref kernels::CpuConcatenateWidthKernel (if underlying concatenation axis is 0).
- * -# @ref kernels::CpuConcatenateHeightKernel (if underlying concatenation axis is 1).
- * -# @ref kernels::CpuConcatenateDepthKernel (if underlying concatenation axis is 2).
- * -# @ref kernels::CpuConcatenateBatchKernel (if underlying concatenation axis is 3).
- */
-class CpuConcatenate : public ICpuOperator
-{
-public:
-    /** Constructor */
-    CpuConcatenate();
-    /** Configure operator for a given list of arguments
-     *
-     * @note Input and output tensor dimensions preconditions defer depending on the concatenation axis.
-     * @note Preconditions can be found respectively at @ref kernels::CpuConcatenateWidthKernel, @ref kernels::CpuConcatenateHeightKernel,
-     *       @ref kernels::CpuConcatenateDepthKernel and @ref kernels::CpuConcatenateBatchKernel.
-     *
-     * @param[in,out] srcs_vector The vectors containing all the tensors to concatenate. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
-     * @param[out]    dst         Output tensor. Data types supported: Same as @p srcs_vector.
-     * @param[in]     axis        Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3.
-     */
-    void configure(const std::vector<const ITensorInfo *> &srcs_vector, ITensorInfo *dst, size_t axis);
-    /** Static function to check if given info will lead to a valid configuration of @ref NEConcatenateLayer
-     *
-     * @note Input and output tensor dimensions preconditions defer depending on the concatenation axis.
-     * @note Preconditions can be found respectively at @ref kernels::CpuConcatenateWidthKernel, @ref kernels::CpuConcatenateHeightKernel,
-     *       @ref kernels::CpuConcatenateDepthKernel and @ref kernels::CpuConcatenateBatchKernel.
-     *
-     * @param[in] srcs_vector The vectors containing all the tensors info to concatenate. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
-     * @param[in] dst         Output tensor info. Data types supported: Same as @p srcs_vector.
-     * @param[in] axis        Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3.
-     *
-     * @return a status
-     */
-    static Status validate(const std::vector<const ITensorInfo *> &srcs_vector, const ITensorInfo *dst, size_t axis);
-
-    // Inherited methods overridden:
-    void run(ITensorPack &tensors) override;
-
-private:
-    std::vector<std::unique_ptr<ICpuKernel>> _concat_kernels;
-    unsigned int                             _num_srcs;
-    unsigned int                             _axis;
-};
-} // namespace cpu
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_CPU_CONCATENATE_H */