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diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/cpu_convolution_pd.hpp b/thirdparty/oidn/mkl-dnn/src/cpu/cpu_convolution_pd.hpp
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index 52a38a2294..0000000000
--- a/thirdparty/oidn/mkl-dnn/src/cpu/cpu_convolution_pd.hpp
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@@ -1,74 +0,0 @@
-/*******************************************************************************
-* Copyright 2016-2018 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.
-*******************************************************************************/
-
-#ifndef CPU_CONVOLUTION_PD_HPP
-#define CPU_CONVOLUTION_PD_HPP
-
-#include <assert.h>
-
-#include "c_types_map.hpp"
-#include "convolution_pd.hpp"
-#include "type_helpers.hpp"
-#include "utils.hpp"
-
-namespace mkldnn {
-namespace impl {
-namespace cpu {
-
-struct cpu_convolution_fwd_pd_t: public convolution_fwd_pd_t {
- using convolution_fwd_pd_t::convolution_fwd_pd_t;
-
- bool has_padded_dst() const {
- memory_desc_wrapper dst_d(&dst_md_);
- return OC() != dst_d.padded_dims()[1];
- }
-
- bool wants_padded_bias() const {
- if (!with_bias()) return false;
- return has_padded_dst();
- }
-
- bool wants_zero_pad_dst(bool jit_impl = true) const {
- if (!has_padded_dst()) return false;
- const auto &po = attr()->post_ops_;
- int idx;
- if ((idx = po.find(primitive_kind::eltwise)) == -1) return false;
- return !math::eltwise_fwd_preserves_zero(po.entry_[idx].eltwise.alg,
- jit_impl);
- }
-};
-
-struct cpu_convolution_bwd_data_pd_t: public convolution_bwd_data_pd_t {
- using convolution_bwd_data_pd_t::convolution_bwd_data_pd_t;
-};
-
-struct cpu_convolution_bwd_weights_pd_t: public convolution_bwd_weights_pd_t {
- using convolution_bwd_weights_pd_t::convolution_bwd_weights_pd_t;
-
- bool wants_padded_bias() const {
- if (!with_bias()) return false;
- memory_desc_wrapper diff_dst_d(&diff_dst_md_);
- return OC() != diff_dst_d.padded_dims()[1];
- }
-};
-
-}
-}
-}
-
-#endif
-
-// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s