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diff --git a/src/core/cpu/kernels/CpuGemmInterleave4x4Kernel.h b/src/core/cpu/kernels/CpuGemmInterleave4x4Kernel.h
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index 0c55886d8d..0000000000
--- a/src/core/cpu/kernels/CpuGemmInterleave4x4Kernel.h
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@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 2016-2021 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_GEMM_INTERLEAVE4x4_KERNEL_H
-#define ARM_COMPUTE_CPU_GEMM_INTERLEAVE4x4_KERNEL_H
-
-#include "src/core/common/Macros.h"
-#include "src/core/cpu/ICpuKernel.h"
-
-namespace arm_compute
-{
-namespace cpu
-{
-namespace kernels
-{
-/** Kernel to interleave the elements of a matrix
- *
- * This function puts the values in a 4x4 block of Matrix A on the same row (Interleaved values)
- *
- * @f[
- * \left( \begin{array}{cccc}
- * a00 & a01 & a02 & a03 \\
- * a10 & a11 & a12 & a13 \\
- * a20 & a21 & a22 & a23 \\
- * a30 & a31 & a32 & a33 \\
- * \end{array} \right)
- * \rightarrow
- * \left( \begin{array}{ccccccccccccccccc}
- * a00 & a10 & a20 & a30 & a01 & a11 & a21 & a31 & a02 & a12 & a22 & a32 & a03 & a13 & a23 & a33 \\
- * \end{array} \right)
- * @f]
- *
- * After this operation, the dst matrix will have the following shape: [ height * 4, ceil(width / 4.0f) ]
- */
-class CpuGemmInterleave4x4Kernel : public ICpuKernel
-{
-public:
-    CpuGemmInterleave4x4Kernel() = default;
-    /** Initialise the kernel's src and dst.
-     *
-     * @param[in]  src Input tensor info. Data types supported: All
-     * @param[out] dst Output tensor info which stores the interleaved matrix. Data type supported: same as @p src.
-     */
-    void configure(const ITensorInfo *src, ITensorInfo *dst);
-    /** Static function to check if given info will lead to a valid configuration of @ref CpuGemmInterleave4x4Kernel
-     *
-     * Similar to @ref CpuGemmInterleave4x4Kernel::configure()
-     *
-     * @return a status
-     */
-    static Status validate(const ITensorInfo *src, const ITensorInfo *dst);
-
-    // Inherited methods overridden:
-    void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
-    const char *name() const override;
-};
-} // namespace kernels
-} // namespace cpu
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_CPU_GEMM_INTERLEAVE4x4_KERNEL_H */