Remove usage of valid window region in NHWC CPU kernels - Part2

Remove set_valid_region methods from all NHWC CPU ML functions /
operators / kernels

Resolves COMPMID-4152 (2/2)

Change-Id: If9725e9c5b0213b87db96675e81b7fb724970b98
Signed-off-by: SiCongLi <sicong.li@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5203
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

59 files changed, 56 insertions, 245 deletions

diff --git a/src/core/NEON/kernels/NEBatchNormalizationLayerKernel.cpp b/src/core/NEON/kernels/NEBatchNormalizationLayerKernel.cpp
index 7f707d7f1a..9d47d7d76f 100644
--- a/src/core/NEON/kernels/NEBatchNormalizationLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEBatchNormalizationLayerKernel.cpp
@@ -359,10 +359,6 @@ void NEBatchNormalizationLayerKernel::configure(ITensor *input, ITensor *output,
     {
         // Output auto initialization if not yet initialized
         auto_init_if_empty(*output->info(), *input->info()->clone());
-
-        Coordinates coord;
-        coord.set_num_dimensions(output->info()->num_dimensions());
-        output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
     }
 }
 
diff --git a/src/core/NEON/kernels/NEBitwiseAndKernel.cpp b/src/core/NEON/kernels/NEBitwiseAndKernel.cpp
index 4f4de70c3c..677c5cddcc 100644
--- a/src/core/NEON/kernels/NEBitwiseAndKernel.cpp
+++ b/src/core/NEON/kernels/NEBitwiseAndKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020 Arm Limited.
+ * Copyright (c) 2016-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -91,11 +91,6 @@ void NEBitwiseAndKernel::configure(const ITensor *input1, const ITensor *input2,
                               AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration),
                               output_access);
 
-    const ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(),
-                                                             input2->info()->valid_region());
-
-    output_access.set_valid_region(win, valid_region);
-
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEBitwiseNotKernel.cpp b/src/core/NEON/kernels/NEBitwiseNotKernel.cpp
index c69c4ea046..19b1af690a 100644
--- a/src/core/NEON/kernels/NEBitwiseNotKernel.cpp
+++ b/src/core/NEON/kernels/NEBitwiseNotKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020 Arm Limited.
+ * Copyright (c) 2016-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -78,7 +78,6 @@ void NEBitwiseNotKernel::configure(const ITensor *input, ITensor *output)
     Window                 win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration));
     AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
     update_window_and_padding(win, AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration), output_access);
-    output_access.set_valid_region(win, input->info()->valid_region());
 
     INEKernel::configure(win);
 }
diff --git a/src/core/NEON/kernels/NEBitwiseOrKernel.cpp b/src/core/NEON/kernels/NEBitwiseOrKernel.cpp
index 875e6391a5..08094fbfcf 100644
--- a/src/core/NEON/kernels/NEBitwiseOrKernel.cpp
+++ b/src/core/NEON/kernels/NEBitwiseOrKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020 Arm Limited.
+ * Copyright (c) 2016-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -87,11 +87,6 @@ void NEBitwiseOrKernel::configure(const ITensor *input1, const ITensor *input2,
                               AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration),
                               output_access);
 
-    const ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(),
-                                                             input2->info()->valid_region());
-
-    output_access.set_valid_region(win, valid_region);
-
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEBitwiseXorKernel.cpp b/src/core/NEON/kernels/NEBitwiseXorKernel.cpp
index 603b49d5eb..fc5b38b64f 100644
--- a/src/core/NEON/kernels/NEBitwiseXorKernel.cpp
+++ b/src/core/NEON/kernels/NEBitwiseXorKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020 Arm Limited.
+ * Copyright (c) 2016-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -84,10 +84,6 @@ void NEBitwiseXorKernel::configure(const ITensor *input1, const ITensor *input2,
     update_window_and_padding(win, AccessWindowHorizontal(input1->info(), 0, num_elems_processed_per_iteration),
                               AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration), output_access);
 
-    const ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(), input2->info()->valid_region());
-
-    output_access.set_valid_region(win, valid_region);
-
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEBoundingBoxTransformKernel.cpp b/src/core/NEON/kernels/NEBoundingBoxTransformKernel.cpp
index 03d6e1c600..9662203b82 100644
--- a/src/core/NEON/kernels/NEBoundingBoxTransformKernel.cpp
+++ b/src/core/NEON/kernels/NEBoundingBoxTransformKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -101,9 +101,6 @@ void NEBoundingBoxTransformKernel::configure(const ITensor *boxes, ITensor *pred
 
     const unsigned int num_boxes = boxes->info()->dimension(1);
     Window             win       = calculate_max_window(*pred_boxes->info(), Steps());
-    Coordinates        coord;
-    coord.set_num_dimensions(pred_boxes->info()->num_dimensions());
-    pred_boxes->info()->set_valid_region(ValidRegion(coord, pred_boxes->info()->tensor_shape()));
     win.set(Window::DimX, Window::Dimension(0, 1u));
     win.set(Window::DimY, Window::Dimension(0, num_boxes));
 
diff --git a/src/core/NEON/kernels/NEChannelShuffleLayerKernel.cpp b/src/core/NEON/kernels/NEChannelShuffleLayerKernel.cpp
index 4a2213a30b..c9066578b2 100644
--- a/src/core/NEON/kernels/NEChannelShuffleLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEChannelShuffleLayerKernel.cpp
@@ -155,10 +155,6 @@ void NEChannelShuffleLayerKernel::configure(const ITensor *input, ITensor *outpu
     Window win = calculate_max_window(*input->info(), Steps());
 
     // The NEChannelShuffleLayerKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NECol2ImKernel.cpp b/src/core/NEON/kernels/NECol2ImKernel.cpp
index bbc86a9a05..26e4455c4a 100644
--- a/src/core/NEON/kernels/NECol2ImKernel.cpp
+++ b/src/core/NEON/kernels/NECol2ImKernel.cpp
@@ -67,9 +67,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     Window win = calculate_max_window(*input, Steps());
 
     // The NECol2ImKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEDepthConvertLayerKernel.cpp b/src/core/NEON/kernels/NEDepthConvertLayerKernel.cpp
index d6c89a4553..4b5208eeb6 100644
--- a/src/core/NEON/kernels/NEDepthConvertLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEDepthConvertLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020 Arm Limited.
+ * Copyright (c) 2016-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -122,10 +122,7 @@ void NEDepthConvertLayerKernel::configure(const ITensor *input, ITensor *output,
     ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), policy, shift));
 
     // Configure kernel window
-    Window      win = calculate_max_window(*input->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
+    Window win = calculate_max_window(*input->info(), Steps());
 
     ICPPKernel::configure(win);
 }
diff --git a/src/core/NEON/kernels/NEDepthwiseConvolutionLayerNativeKernel.cpp b/src/core/NEON/kernels/NEDepthwiseConvolutionLayerNativeKernel.cpp
index 23b9bc5819..3ab21d5747 100644
--- a/src/core/NEON/kernels/NEDepthwiseConvolutionLayerNativeKernel.cpp
+++ b/src/core/NEON/kernels/NEDepthwiseConvolutionLayerNativeKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -847,10 +847,7 @@ void NEDepthwiseConvolutionLayerNativeKernel::configure(const ITensor *input, co
     const TensorShape output_shape = misc::shape_calculator::compute_depthwise_convolution_shape(*input->info(), *weights->info(), conv_info, depth_multiplier, dilation);
     auto_init_if_empty(*output->info(), input->info()->clone()->set_is_resizable(true).reset_padding().set_tensor_shape(output_shape).set_quantization_info(output->info()->quantization_info()));
 
-    Window      win = calculate_max_window(*output->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
+    Window win = calculate_max_window(*output->info(), Steps());
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEDequantizationLayerKernel.cpp b/src/core/NEON/kernels/NEDequantizationLayerKernel.cpp
index 36e9c92c56..c8d923018d 100644
--- a/src/core/NEON/kernels/NEDequantizationLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEDequantizationLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -66,9 +66,6 @@ std::tuple<Status, Window> validate_and_configure_window(ITensorInfo *input, ITe
     auto_init_if_empty(*output, input->tensor_shape(), 1, DataType::F32);
 
     // NEDequantizationLayerKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
 
     return std::make_tuple(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEDirectConvolutionLayerKernel.cpp b/src/core/NEON/kernels/NEDirectConvolutionLayerKernel.cpp
index 77742163fa..e81d50fe5f 100644
--- a/src/core/NEON/kernels/NEDirectConvolutionLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEDirectConvolutionLayerKernel.cpp
@@ -977,9 +977,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     {
         // Configure window NHWC without any padding
         win = calculate_max_window(*output, Steps());
-        Coordinates coord;
-        coord.set_num_dimensions(output->num_dimensions());
-        output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
     }
 
     Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{};
diff --git a/src/core/NEON/kernels/NEDirectConvolutionLayerOutputStageKernel.cpp b/src/core/NEON/kernels/NEDirectConvolutionLayerOutputStageKernel.cpp
index f072851240..8dcbd00ddc 100644
--- a/src/core/NEON/kernels/NEDirectConvolutionLayerOutputStageKernel.cpp
+++ b/src/core/NEON/kernels/NEDirectConvolutionLayerOutputStageKernel.cpp
@@ -406,18 +406,7 @@ void NEDirectConvolutionLayerOutputStageKernel::configure(ITensor *input, const
         auto_init_if_empty(*output->info(), input->info()->clone()->set_data_type(output_dt));
     }
 
-    Window      win = calculate_max_window(*input->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(input->info()->num_dimensions());
-
-    if(output != nullptr && (output->info()->total_size() != 0))
-    {
-        output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-    }
-    else
-    {
-        input->info()->set_valid_region(ValidRegion(coord, input->info()->tensor_shape()));
-    }
+    Window win = calculate_max_window(*input->info(), Steps());
 
     INEKernel::configure(win);
 
diff --git a/src/core/NEON/kernels/NEFFTDigitReverseKernel.cpp b/src/core/NEON/kernels/NEFFTDigitReverseKernel.cpp
index 200ee6bf88..261437f07d 100644
--- a/src/core/NEON/kernels/NEFFTDigitReverseKernel.cpp
+++ b/src/core/NEON/kernels/NEFFTDigitReverseKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -63,7 +63,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     auto_init_if_empty(*output, input->clone()->set_num_channels(2));
 
     Window win = calculate_max_window(*input, Steps());
-    input->set_valid_region(ValidRegion(Coordinates(), input->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEFFTRadixStageKernel.cpp b/src/core/NEON/kernels/NEFFTRadixStageKernel.cpp
index 971d4fdefe..d71707a4fc 100644
--- a/src/core/NEON/kernels/NEFFTRadixStageKernel.cpp
+++ b/src/core/NEON/kernels/NEFFTRadixStageKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -927,10 +927,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     }
 
     Window win = calculate_max_window(*input, Steps());
-    if(output != nullptr)
-    {
-        output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape()));
-    }
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEFFTScaleKernel.cpp b/src/core/NEON/kernels/NEFFTScaleKernel.cpp
index 6dc5541e94..5ec330bebc 100644
--- a/src/core/NEON/kernels/NEFFTScaleKernel.cpp
+++ b/src/core/NEON/kernels/NEFFTScaleKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -77,9 +77,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
         auto_init_if_empty(*output, *input->clone());
 
         // NEFFTScaleKernel doesn't need padding so update_window_and_padding() can be skipped
-        Coordinates coord;
-        coord.set_num_dimensions(output->num_dimensions());
-        output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
     }
 
     return std::make_pair(Status{}, win);
diff --git a/src/core/NEON/kernels/NEFuseBatchNormalizationKernel.cpp b/src/core/NEON/kernels/NEFuseBatchNormalizationKernel.cpp
index 99f830fe06..0d3244c409 100644
--- a/src/core/NEON/kernels/NEFuseBatchNormalizationKernel.cpp
+++ b/src/core/NEON/kernels/NEFuseBatchNormalizationKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020 Arm Limited.
+ * Copyright (c) 2018-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -444,13 +444,11 @@ void NEFuseBatchNormalizationKernel::configure(const ITensor *input_weights, con
     {
         // Output tensor auto initialization if not yet initialized
         auto_init_if_empty(*_fused_weights->info(), *_input_weights->info()->clone());
-        fused_weights->info()->set_valid_region(input_weights->info()->valid_region());
     }
     if(_fused_bias != nullptr)
     {
         // Output tensor auto initialization if not yet initialized
         auto_init_if_empty(*_fused_bias->info(), *_bn_mean->info()->clone());
-        _fused_bias->info()->set_valid_region(bn_mean->info()->valid_region());
     }
 
     // Validate arguments
diff --git a/src/core/NEON/kernels/NEGEMMInterleave4x4Kernel.cpp b/src/core/NEON/kernels/NEGEMMInterleave4x4Kernel.cpp
index 6b2383f043..96ed810e0e 100644
--- a/src/core/NEON/kernels/NEGEMMInterleave4x4Kernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMInterleave4x4Kernel.cpp
@@ -101,10 +101,6 @@ void NEGEMMInterleave4x4Kernel::configure(const ITensor *input, ITensor *output)
 
     Window win = calculate_max_window(*input->info(), Steps(1, 4));
 
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp
index 4dbfc3b022..0aad0a7ec2 100644
--- a/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -923,15 +923,10 @@ void NEGEMMLowpMatrixMultiplyKernel::configure(const ITensor *input0, const ITen
     {
         // Configure kernel window
         win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration_x));
-
-        Coordinates coord;
-        coord.set_num_dimensions(output->info()->num_dimensions());
-        output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
     }
     else
     {
         win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y));
-        output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
     }
 
     INEKernel::configure(win);
diff --git a/src/core/NEON/kernels/NEGEMMLowpOffsetContributionKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpOffsetContributionKernel.cpp
index 174a06955f..1a859b5f0e 100644
--- a/src/core/NEON/kernels/NEGEMMLowpOffsetContributionKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpOffsetContributionKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -386,10 +386,7 @@ void NEGEMMLowpOffsetContributionKernel::configure(ITensor *mm_result, const ITe
     }
 
     // Configure kernel window
-    Window      win = calculate_max_window(*mm_result->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(mm_result->info()->num_dimensions());
-    mm_result->info()->set_valid_region(ValidRegion(coord, mm_result->info()->tensor_shape()));
+    Window win = calculate_max_window(*mm_result->info(), Steps());
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEGEMMLowpOffsetContributionOutputStageKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpOffsetContributionOutputStageKernel.cpp
index 3c8f5ae022..0abf9c4046 100644
--- a/src/core/NEON/kernels/NEGEMMLowpOffsetContributionOutputStageKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpOffsetContributionOutputStageKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -851,9 +851,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *mm_result,
     // Note: This kernel performs 16 elements per iteration.
     // However, since we use a left-over for loop, we cannot have any read or write out of memory
     // For this reason num_elems_processed_per_iteration is 1 and so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ScaleKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ScaleKernel.cpp
index 2e78107a1a..84365ba25b 100644
--- a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ScaleKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ScaleKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Arm Limited.
+ * Copyright (c) 2020-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -279,10 +279,7 @@ void NEGEMMLowpQuantizeDownInt32ScaleKernel::configure(const ITensor *input, con
     _output_stage = output_stage;
 
     // Configure kernel window
-    Window      win = calculate_max_window(*input->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
+    Window win = calculate_max_window(*input->info(), Steps());
 
     INEKernel::configure(win);
 
diff --git a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp
index 1fafc62302..6bc63e01e2 100644
--- a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -76,9 +76,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     Window win = calculate_max_window(*input, Steps());
 
     // NEGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt8ScaleByFixedPointKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt8ScaleByFixedPointKernel.cpp
index bf9ce9554d..a9e70c6542 100644
--- a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt8ScaleByFixedPointKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToInt8ScaleByFixedPointKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -76,9 +76,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     Window win = calculate_max_window(*input, Steps());
 
     // NEGEMMLowpQuantizeDownInt32ToInt8ScaleByFixedPointKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToUint8ScaleByFixedPointKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToUint8ScaleByFixedPointKernel.cpp
index cbb56da8c0..3cc3fde6f5 100644
--- a/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToUint8ScaleByFixedPointKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpQuantizeDownInt32ToUint8ScaleByFixedPointKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -76,9 +76,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     Window win = calculate_max_window(*input, Steps());
 
     // NEGEMMLowpQuantizeDownInt32ToUint8ScaleByFixedPointKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEGEMMLowpReductionKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpReductionKernel.cpp
index db038e559e..965b04df2c 100644
--- a/src/core/NEON/kernels/NEGEMMLowpReductionKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpReductionKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -82,7 +82,6 @@ void NEGEMMLowpMatrixAReductionKernel::configure(const ITensor *mtx_a, ITensor *
     auto_init_if_empty(*_output->info(), TensorShape(_input->info()->dimension(1)), 1, DataType::S32);
 
     Window win = calculate_max_window(*_output->info(), Steps(1));
-    _output->info()->set_valid_region(ValidRegion(Coordinates(), _output->info()->tensor_shape()));
 
     INEKernel::configure(win);
 }
@@ -204,7 +203,6 @@ void NEGEMMLowpMatrixBReductionKernel::configure(const ITensor *mtx_b, ITensor *
 
     // Configure kernel window
     Window win = calculate_max_window_horizontal(*_output->info(), Steps(num_elems_processed_per_iteration));
-    _output->info()->set_valid_region(ValidRegion(Coordinates(), _output->info()->tensor_shape()));
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEGEMMMatrixMultiplyKernel.cpp b/src/core/NEON/kernels/NEGEMMMatrixMultiplyKernel.cpp
index fc95c08f62..7f63f45e7e 100644
--- a/src/core/NEON/kernels/NEGEMMMatrixMultiplyKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMMatrixMultiplyKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -1127,9 +1127,6 @@ void NEGEMMMatrixMultiplyKernel::configure(const ITensor *input0, const ITensor
         win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y));
     }
 
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEGEMMTranspose1xWKernel.cpp b/src/core/NEON/kernels/NEGEMMTranspose1xWKernel.cpp
index cea95749f8..ad7ae505f4 100644
--- a/src/core/NEON/kernels/NEGEMMTranspose1xWKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMTranspose1xWKernel.cpp
@@ -82,10 +82,6 @@ void NEGEMMTranspose1xWKernel::configure(const ITensor *input, ITensor *output)
     // Configure kernel window
     Window win = calculate_max_window(*input->info(), Steps(vector_size));
 
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEGatherKernel.cpp b/src/core/NEON/kernels/NEGatherKernel.cpp
index 55ecb8840f..e5c48c7439 100644
--- a/src/core/NEON/kernels/NEGatherKernel.cpp
+++ b/src/core/NEON/kernels/NEGatherKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -184,7 +184,6 @@ void NEGatherKernel::configure(const ITensor *input, const ITensor *indices, ITe
 
     // Create window
     Window win = calculate_max_window(*output->info(), Steps());
-    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 
     INEKernel::configure(win);
 }
diff --git a/src/core/NEON/kernels/NEIm2ColKernel.cpp b/src/core/NEON/kernels/NEIm2ColKernel.cpp
index 728cecd074..a28a77a4fb 100644
--- a/src/core/NEON/kernels/NEIm2ColKernel.cpp
+++ b/src/core/NEON/kernels/NEIm2ColKernel.cpp
@@ -98,7 +98,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     win.set(channel_idx, Window::Dimension(0, 1, 1));
 
     // The NEIm2ColKernel doesn't need padding so update_window_and_padding() can be skipped
-    output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEInstanceNormalizationLayerKernel.cpp b/src/core/NEON/kernels/NEInstanceNormalizationLayerKernel.cpp
index a3f7d8d634..fa1f7a6c49 100644
--- a/src/core/NEON/kernels/NEInstanceNormalizationLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEInstanceNormalizationLayerKernel.cpp
@@ -205,9 +205,6 @@ std::tuple<Status, Window> validate_and_configure_window(ITensorInfo *input, ITe
     auto_init_if_empty(*output, input->tensor_shape(), 1, input->data_type());
 
     // NEInstanceNormalizationLayerKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
     return std::make_pair(Status{}, win);
 }
 } // namespace
diff --git a/src/core/NEON/kernels/NEL2NormalizeLayerKernel.cpp b/src/core/NEON/kernels/NEL2NormalizeLayerKernel.cpp
index dae5b57fec..9bda82d416 100644
--- a/src/core/NEON/kernels/NEL2NormalizeLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEL2NormalizeLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -165,9 +165,6 @@ std::tuple<Status, Window> validate_and_configure_window(ITensorInfo *input, ITe
     auto_init_if_empty(*output, input->tensor_shape(), 1, input->data_type());
 
     // NEL2NormalizeLayerKernel doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->num_dimensions());
-    output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
 
     return std::make_tuple(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEMeanStdDevNormalizationKernel.cpp b/src/core/NEON/kernels/NEMeanStdDevNormalizationKernel.cpp
index 6a41e3a161..d1c7d4eb91 100644
--- a/src/core/NEON/kernels/NEMeanStdDevNormalizationKernel.cpp
+++ b/src/core/NEON/kernels/NEMeanStdDevNormalizationKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -67,10 +67,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     // This kernel doesn't need padding. A left-over for loop on dimension X, we cannot have any read or write out of memory
     // For this reason num_elems_processed_per_iteration is set to 1
     Window win = calculate_max_window(*input, Steps());
-    if(output != nullptr)
-    {
-        output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape()));
-    }
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NEMinMaxLayerKernel.cpp b/src/core/NEON/kernels/NEMinMaxLayerKernel.cpp
index 92f6b4a42e..5ea8947fa0 100644
--- a/src/core/NEON/kernels/NEMinMaxLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEMinMaxLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -81,8 +81,6 @@ std::tuple<Status, Window> validate_and_configure_window(ITensorInfo *input, ITe
 
     bool window_changed = update_window_and_padding(win, input_access, output_access);
 
-    output_access.set_valid_region(win, ValidRegion(Coordinates(), output->tensor_shape()));
-
     Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{};
     return std::make_tuple(err, win);
 }
diff --git a/src/core/NEON/kernels/NENormalizationLayerKernel.cpp b/src/core/NEON/kernels/NENormalizationLayerKernel.cpp
index a7900ee074..21a70ae513 100644
--- a/src/core/NEON/kernels/NENormalizationLayerKernel.cpp
+++ b/src/core/NEON/kernels/NENormalizationLayerKernel.cpp
@@ -163,10 +163,7 @@ void NENormalizationLayerKernel::configure(const ITensor *input, const ITensor *
     }
 
     // Configure kernel window
-    Window      win = calculate_max_window(*input->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
+    Window win = calculate_max_window(*input->info(), Steps());
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEPadLayerKernel.cpp b/src/core/NEON/kernels/NEPadLayerKernel.cpp
index 200fe2ce54..3e2c57a18c 100644
--- a/src/core/NEON/kernels/NEPadLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEPadLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -236,9 +236,6 @@ void NEPadLayerKernel::configure(ITensor *input, ITensor *output, const PaddingL
     Window win = calculate_max_window(*output->info(), Steps());
 
     // The NEPad doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
 
     ICPPKernel::configure(win);
 }
diff --git a/src/core/NEON/kernels/NEPriorBoxLayerKernel.cpp b/src/core/NEON/kernels/NEPriorBoxLayerKernel.cpp
index 6757affae8..3d89933377 100644
--- a/src/core/NEON/kernels/NEPriorBoxLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEPriorBoxLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020 Arm Limited.
+ * Copyright (c) 2018-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -209,11 +209,8 @@ void NEPriorBoxLayerKernel::configure(const ITensor *input1, const ITensor *inpu
     _output = output;
 
     // Configure kernel window
-    const int   num_priors = info.aspect_ratios().size() * info.min_sizes().size() + info.max_sizes().size();
-    Window      win        = calculate_max_window(*output->info(), Steps(num_priors * 4));
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
+    const int num_priors = info.aspect_ratios().size() * info.min_sizes().size() + info.max_sizes().size();
+    Window    win        = calculate_max_window(*output->info(), Steps(num_priors * 4));
 
     INEKernel::configure(win);
 }
diff --git a/src/core/NEON/kernels/NEQLSTMLayerNormalizationKernel.cpp b/src/core/NEON/kernels/NEQLSTMLayerNormalizationKernel.cpp
index 8c1c8cf56b..a88b193b31 100644
--- a/src/core/NEON/kernels/NEQLSTMLayerNormalizationKernel.cpp
+++ b/src/core/NEON/kernels/NEQLSTMLayerNormalizationKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Arm Limited.
+ * Copyright (c) 2020-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -117,10 +117,7 @@ void NEQLSTMLayerNormalizationKernel::configure(const ITensor *input, ITensor *o
 
 Window NEQLSTMLayerNormalizationKernel::configure_window(ITensor *target)
 {
-    Window      window = calculate_max_window(*target->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(target->info()->num_dimensions());
-    target->info()->set_valid_region(ValidRegion(coord, target->info()->tensor_shape()));
+    Window window = calculate_max_window(*target->info(), Steps());
 
     _window_start_x = static_cast<int32_t>(window.x().start());
     _window_end_x   = static_cast<int32_t>(window.x().end());
diff --git a/src/core/NEON/kernels/NEQuantizationLayerKernel.cpp b/src/core/NEON/kernels/NEQuantizationLayerKernel.cpp
index ff3d9fff96..6beb69f30b 100644
--- a/src/core/NEON/kernels/NEQuantizationLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEQuantizationLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -153,10 +153,6 @@ void NEQuantizationLayerKernel::configure(const ITensor *input, ITensor *output)
     // Configure kernel window
     Window win_config = calculate_max_window(*input->info(), Steps());
 
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-
     INEKernel::configure(win_config);
 }
 
diff --git a/src/core/NEON/kernels/NEROIAlignLayerKernel.cpp b/src/core/NEON/kernels/NEROIAlignLayerKernel.cpp
index e937dadba7..628dd86353 100644
--- a/src/core/NEON/kernels/NEROIAlignLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEROIAlignLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 Arm Limited.
+ * Copyright (c) 2019-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -96,10 +96,6 @@ void NEROIAlignLayerKernel::configure(const ITensor *input, const ITensor *rois,
     window.set(Window::DimX, Window::Dimension(0, num_rois));
     window.set(Window::DimY, Window::Dimension(0, 1));
 
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-
     // Set instance variables
     _input     = input;
     _rois      = rois;
diff --git a/src/core/NEON/kernels/NEROIPoolingLayerKernel.cpp b/src/core/NEON/kernels/NEROIPoolingLayerKernel.cpp
index 40dae828a3..9a3a757f1c 100644
--- a/src/core/NEON/kernels/NEROIPoolingLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEROIPoolingLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -79,10 +79,6 @@ void NEROIPoolingLayerKernel::configure(const ITensor *input, const ITensor *roi
     window.set(Window::DimX, Window::Dimension(0, rois->info()->dimension(1)));
     window.set(Window::DimY, Window::Dimension(0, 1));
 
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-
     INEKernel::configure(window);
 }
 
diff --git a/src/core/NEON/kernels/NERangeKernel.cpp b/src/core/NEON/kernels/NERangeKernel.cpp
index f62c868dff..170f58fd7a 100644
--- a/src/core/NEON/kernels/NERangeKernel.cpp
+++ b/src/core/NEON/kernels/NERangeKernel.cpp
@@ -126,10 +126,7 @@ void NERangeKernel::configure(ITensor *output, float start, float end, float ste
     auto_init_if_empty(*output->info(), TensorShape(num_of_elements_in_range(start, end, step)), 1, output->info()->data_type(), output->info()->quantization_info());
 
     // Configure kernel window
-    Window      win = calculate_max_window(*output->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
+    Window win = calculate_max_window(*output->info(), Steps());
 
     _start  = start;
     _end    = end;
diff --git a/src/core/NEON/kernels/NEReductionOperationKernel.cpp b/src/core/NEON/kernels/NEReductionOperationKernel.cpp
index 001025bdf5..a449fdee98 100644
--- a/src/core/NEON/kernels/NEReductionOperationKernel.cpp
+++ b/src/core/NEON/kernels/NEReductionOperationKernel.cpp
@@ -1669,9 +1669,6 @@ void NEReductionOperationKernel::configure(const ITensor *input, ITensor *output
     _reduction_axis = axis;
 
     // Configure kernel window
-    Coordinates coord;
-    coord.set_num_dimensions(input->info()->num_dimensions());
-    input->info()->set_valid_region(ValidRegion(coord, input->info()->tensor_shape()));
     Window win = calculate_max_window(*input->info(), Steps());
     INEKernel::configure(win);
 
@@ -1681,7 +1678,6 @@ void NEReductionOperationKernel::configure(const ITensor *input, ITensor *output
     const bool is_arg_min_max   = (op == ReductionOperation::ARG_IDX_MIN || op == ReductionOperation::ARG_IDX_MAX);
     DataType   output_data_type = is_arg_min_max ? DataType::S32 : input->info()->data_type();
     auto_init_if_empty(*output->info(), input->info()->clone()->set_tensor_shape(output_shape).set_data_type(output_data_type).reset_padding().set_is_resizable(true));
-    output->info()->set_valid_region(ValidRegion(coord, output_shape));
 }
 
 Status NEReductionOperationKernel::validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int axis, ReductionOperation op)
diff --git a/src/core/NEON/kernels/NEReorgLayerKernel.cpp b/src/core/NEON/kernels/NEReorgLayerKernel.cpp
index 215debe10f..75a58fccd6 100644
--- a/src/core/NEON/kernels/NEReorgLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEReorgLayerKernel.cpp
@@ -86,7 +86,6 @@ void NEReorgLayerKernel::configure(const ITensor *input, ITensor *output, int32_
     _stride = stride;
 
     // The NEReorgLayerKernel doesn't need padding so update_window_and_padding() can be skipped
-    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 
     // Configure kernel window
     Window win = calculate_max_window(*output->info(), Steps());
diff --git a/src/core/NEON/kernels/NEScaleKernel.cpp b/src/core/NEON/kernels/NEScaleKernel.cpp
index f2c11b203c..6b9aa51aaa 100644
--- a/src/core/NEON/kernels/NEScaleKernel.cpp
+++ b/src/core/NEON/kernels/NEScaleKernel.cpp
@@ -281,10 +281,7 @@ void NEScaleKernel::configure(const ITensor *input, const ITensor *dx, const ITe
     }
 
     // Configure window
-    Window      win = calculate_max_window(*output->info(), Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
+    Window win = calculate_max_window(*output->info(), Steps());
     INEKernel::configure(win);
 }
 
diff --git a/src/core/NEON/kernels/NEStridedSliceKernel.cpp b/src/core/NEON/kernels/NEStridedSliceKernel.cpp
index ac04a1076d..876368c034 100644
--- a/src/core/NEON/kernels/NEStridedSliceKernel.cpp
+++ b/src/core/NEON/kernels/NEStridedSliceKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020 Arm Limited.
+ * Copyright (c) 2018-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -84,7 +84,6 @@ std::pair<Status, Window> validate_and_configure_window(const ITensorInfo *input
 
     // Create window
     Window win = calculate_max_window(*output, Steps());
-    output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape()));
 
     return std::make_pair(Status{}, win);
 }
diff --git a/src/core/NEON/kernels/NETransposeKernel.cpp b/src/core/NEON/kernels/NETransposeKernel.cpp
index 980d90b476..cd4ae52873 100644
--- a/src/core/NEON/kernels/NETransposeKernel.cpp
+++ b/src/core/NEON/kernels/NETransposeKernel.cpp
@@ -494,11 +494,6 @@ void NETransposeKernel::configure(const ITensor *input, ITensor *output)
             break;
     }
 
-    // Configure kernel window
-    Coordinates coord;
-    coord.set_num_dimensions(output->info()->num_dimensions());
-    output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
-
     // Note: This kernel performs 16 elements per iteration.
     // However, since we use a left-over for loop on both dimensions (X and Y), we cannot have any read or write out of memory
     // For this reason num_elems_processed_per_iteration_x is set to 1
diff --git a/src/core/NEON/kernels/NEWeightsReshapeKernel.cpp b/src/core/NEON/kernels/NEWeightsReshapeKernel.cpp
index 109652fb97..44d60093f0 100644
--- a/src/core/NEON/kernels/NEWeightsReshapeKernel.cpp
+++ b/src/core/NEON/kernels/NEWeightsReshapeKernel.cpp
@@ -71,7 +71,7 @@ Status validate_arguments(const ITensorInfo *input, const ITensorInfo *biases, c
     return Status{};
 }
 
-std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output)
+std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input)
 {
     Window window = calculate_max_window(*input, Steps());
     window.set(Window::DimX, Window::Dimension(0, input->dimension(0), input->dimension(0)));
@@ -79,7 +79,6 @@ std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITen
     window.set(Window::DimZ, Window::Dimension(0, input->dimension(2), input->dimension(2)));
 
     // The NEConvolutionLayerWeightsReshapeKernel doesn't need padding so update_window_and_padding() can be skipped
-    output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape()));
 
     return std::make_pair(Status{}, window);
 }
@@ -107,7 +106,7 @@ void NEWeightsReshapeKernel::configure(const ITensor *input, const ITensor *bias
     _output = output;
 
     // Configure kernel
-    auto win_config = validate_and_configure_window(input->info(), output->info());
+    auto win_config = validate_and_configure_window(input->info());
     ARM_COMPUTE_ERROR_THROW_ON(win_config.first);
     INEKernel::configure(win_config.second);
 }
@@ -115,7 +114,7 @@ void NEWeightsReshapeKernel::configure(const ITensor *input, const ITensor *bias
 Status NEWeightsReshapeKernel::validate(const ITensorInfo *input, const ITensorInfo *biases, const ITensorInfo *output)
 {
     ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, biases, output));
-    ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get()).first);
+    ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get()).first);
 
     return Status{};
 }
diff --git a/src/core/NEON/kernels/NEWinogradConvolutionLayerKernel.cpp b/src/core/NEON/kernels/NEWinogradConvolutionLayerKernel.cpp
index f5a0b370ab..249d5c57d1 100644
--- a/src/core/NEON/kernels/NEWinogradConvolutionLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEWinogradConvolutionLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -496,7 +496,6 @@ void NEWinogradLayerTransformOutputKernel<T, OutputTileRows, OutputTileCols, Ker
     Window win;
     auto   win_last = _transform->get_window();
     win.set(Window::DimX, Window::Dimension(0, win_last, 1));
-    _output_nhwc->info()->set_valid_region(ValidRegion(Coordinates(), _output_nhwc->info()->tensor_shape()));
 
     INEKernel::configure(win);
 }
diff --git a/src/core/cpu/kernels/CpuActivationKernel.cpp b/src/core/cpu/kernels/CpuActivationKernel.cpp
index efdb42b8a5..761258941d 100644
--- a/src/core/cpu/kernels/CpuActivationKernel.cpp
+++ b/src/core/cpu/kernels/CpuActivationKernel.cpp
@@ -197,10 +197,6 @@ std::pair<Status, Window> validate_and_configure_window(const ITensorInfo *src,
     {
         // dst auto inizialitation if not yet initialized
         auto_init_if_empty(*dst, *src->clone());
-
-        Coordinates coord;
-        coord.set_num_dimensions(dst->num_dimensions());
-        dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
     }
 
     return std::make_pair(Status{}, win);
diff --git a/src/core/cpu/kernels/CpuConcatenateBatchKernel.cpp b/src/core/cpu/kernels/CpuConcatenateBatchKernel.cpp
index 48eac13041..bd6d777572 100644
--- a/src/core/cpu/kernels/CpuConcatenateBatchKernel.cpp
+++ b/src/core/cpu/kernels/CpuConcatenateBatchKernel.cpp
@@ -183,10 +183,7 @@ void CpuConcatenateBatchKernel::configure(const ITensorInfo *src, unsigned int b
     }
 
     // Configure kernel window
-    Window      win = calculate_max_window(*dst, Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+    Window win = calculate_max_window(*dst, Steps());
     ICpuKernel::configure(win);
 }
 
diff --git a/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp b/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp
index f64c282ae4..d8eed44cd8 100644
--- a/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp
+++ b/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp
@@ -179,11 +179,7 @@ void CpuConcatenateDepthKernel::configure(const ITensorInfo *src, unsigned int d
     }
 
     // Configure kernel window
-    Window      win = calculate_max_window(*dst, Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+    Window win = calculate_max_window(*dst, Steps());
     ICpuKernel::configure(win);
 }
 
diff --git a/src/core/cpu/kernels/CpuConcatenateHeightKernel.cpp b/src/core/cpu/kernels/CpuConcatenateHeightKernel.cpp
index c6e224970a..4dc458a4a8 100644
--- a/src/core/cpu/kernels/CpuConcatenateHeightKernel.cpp
+++ b/src/core/cpu/kernels/CpuConcatenateHeightKernel.cpp
@@ -77,10 +77,7 @@ void CpuConcatenateHeightKernel::configure(const ITensorInfo *src, unsigned int
     _height_offset = height_offset;
 
     // Configure kernel window
-    Window      win = calculate_max_window(*dst, Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+    Window win = calculate_max_window(*dst, Steps());
     ICpuKernel::configure(win);
 }
 
diff --git a/src/core/cpu/kernels/CpuConcatenateWidthKernel.cpp b/src/core/cpu/kernels/CpuConcatenateWidthKernel.cpp
index e707e8d5a4..efefd5d011 100644
--- a/src/core/cpu/kernels/CpuConcatenateWidthKernel.cpp
+++ b/src/core/cpu/kernels/CpuConcatenateWidthKernel.cpp
@@ -72,14 +72,12 @@ void CpuConcatenateWidthKernel::configure(const ITensorInfo *src, unsigned int w
 {
     ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
     ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, width_offset, dst));
+    ARM_COMPUTE_UNUSED(dst);
 
     _width_offset = width_offset;
 
     // Configure kernel window
-    Window      win = calculate_max_window(*src, Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+    Window win = calculate_max_window(*src, Steps());
 
     ICpuKernel::configure(win);
 }
diff --git a/src/core/cpu/kernels/CpuFloorKernel.cpp b/src/core/cpu/kernels/CpuFloorKernel.cpp
index 6115b69907..c2e9d48ce9 100644
--- a/src/core/cpu/kernels/CpuFloorKernel.cpp
+++ b/src/core/cpu/kernels/CpuFloorKernel.cpp
@@ -120,10 +120,6 @@ void CpuFloorKernel::configure(const ITensorInfo *src, ITensorInfo *dst)
     // Configure kernel window
     const Window win = calculate_max_window(*src, Steps());
 
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
-
     ICPPKernel::configure(win);
 }
 
diff --git a/src/core/cpu/kernels/CpuPermuteKernel.cpp b/src/core/cpu/kernels/CpuPermuteKernel.cpp
index e3055f5f4f..7fd38a3ee7 100644
--- a/src/core/cpu/kernels/CpuPermuteKernel.cpp
+++ b/src/core/cpu/kernels/CpuPermuteKernel.cpp
@@ -256,9 +256,6 @@ void CpuPermuteKernel::configure(const ITensorInfo *src, ITensorInfo *dst, const
     Window win = calculate_max_window(*src, Steps());
 
     // The NEPermute doesn't need padding so update_window_and_padding() can be skipped
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
 
     ICpuKernel::configure(win);
 }
diff --git a/src/core/cpu/kernels/CpuPoolingKernel.cpp b/src/core/cpu/kernels/CpuPoolingKernel.cpp
index e159bb40a9..115a3a4c67 100644
--- a/src/core/cpu/kernels/CpuPoolingKernel.cpp
+++ b/src/core/cpu/kernels/CpuPoolingKernel.cpp
@@ -422,10 +422,7 @@ void CpuPoolingKernel::configure(ITensorInfo *src, ITensorInfo *dst, const Pooli
     if(_data_layout == DataLayout::NHWC)
     {
         // Configure kernel window
-        Window      win = calculate_max_window(*dst, Steps());
-        Coordinates coord;
-        coord.set_num_dimensions(dst->num_dimensions());
-        dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+        Window win = calculate_max_window(*dst, Steps());
         ICpuKernel::configure(win);
     }
     else
diff --git a/src/core/cpu/kernels/CpuReshapeKernel.cpp b/src/core/cpu/kernels/CpuReshapeKernel.cpp
index 41ff8bd390..4ab1612518 100644
--- a/src/core/cpu/kernels/CpuReshapeKernel.cpp
+++ b/src/core/cpu/kernels/CpuReshapeKernel.cpp
@@ -82,13 +82,11 @@ void CpuReshapeKernel::configure(const ITensorInfo *src, ITensorInfo *dst)
 {
     ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
     ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst));
+    ARM_COMPUTE_UNUSED(dst);
 
     // Configure kernel window
     Window win = calculate_max_window(*src);
 
-    // Set the destination valid region
-    dst->set_valid_region(ValidRegion(Coordinates(), dst->tensor_shape()));
-
     ICpuKernel::configure(win);
 }
 
diff --git a/src/core/cpu/kernels/CpuSoftmaxKernel.cpp b/src/core/cpu/kernels/CpuSoftmaxKernel.cpp
index a8542b6be1..d2453ed21d 100644
--- a/src/core/cpu/kernels/CpuSoftmaxKernel.cpp
+++ b/src/core/cpu/kernels/CpuSoftmaxKernel.cpp
@@ -228,10 +228,7 @@ void CpuLogits1DMaxKernel::configure(const ITensorInfo *src, ITensorInfo *dst)
     // Output auto initialization if not yet initialized
     auto_init_if_empty(*dst, output_shape, 1, src->data_type(), src->quantization_info());
 
-    Window      win = calculate_max_window(*src, Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+    Window win = calculate_max_window(*src, Steps());
 
     ICpuKernel::configure(win);
 }
@@ -330,10 +327,7 @@ void CpuLogits1DSoftmaxKernel<IS_LOG>::configure(const ITensorInfo *src, const I
     auto_init_if_empty(*tmp, TensorInfo(*src).set_data_type(tmp_data_type).reset_padding());
 
     // Configure kernel window
-    Window      win = calculate_max_window(*max, Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+    Window win = calculate_max_window(*max, Steps());
 
     ICpuKernel::configure(win);
 }