diff --git a/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp b/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp
index 86bf366..b5f8c2d 100644
--- a/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp
+++ b/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp
@@ -121,6 +121,10 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     ICLKernel::configure_internal(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
     // Set config_id for enabling LWS tuning
     _config_id = "concatenate_";
     _config_id += support::cpp11::to_string(3);
diff --git a/src/core/CL/kernels/CLDepthConcatenateLayerKernel.cpp b/src/core/CL/kernels/CLDepthConcatenateLayerKernel.cpp
index 40b633b..2d8de75 100644
--- a/src/core/CL/kernels/CLDepthConcatenateLayerKernel.cpp
+++ b/src/core/CL/kernels/CLDepthConcatenateLayerKernel.cpp
@@ -116,6 +116,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     ICLKernel::configure_internal(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 }
 
 Status CLDepthConcatenateLayerKernel::validate(const arm_compute::ITensorInfo *input,
diff --git a/src/core/CL/kernels/CLHeightConcatenateLayerKernel.cpp b/src/core/CL/kernels/CLHeightConcatenateLayerKernel.cpp
index 4da3e24..70af541 100644
--- a/src/core/CL/kernels/CLHeightConcatenateLayerKernel.cpp
+++ b/src/core/CL/kernels/CLHeightConcatenateLayerKernel.cpp
@@ -149,6 +149,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     ICLKernel::configure_internal(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 }
 
 void CLHeightConcatenateLayerKernel::run(const Window &window, cl::CommandQueue &queue)
diff --git a/src/core/CL/kernels/CLWidthConcatenate2TensorsKernel.cpp b/src/core/CL/kernels/CLWidthConcatenate2TensorsKernel.cpp
index bd4ff2c..9c533dc 100644
--- a/src/core/CL/kernels/CLWidthConcatenate2TensorsKernel.cpp
+++ b/src/core/CL/kernels/CLWidthConcatenate2TensorsKernel.cpp
@@ -137,6 +137,9 @@
 
     ICLKernel::configure_internal(std::get<1>(win_config));
 
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
     // Pass paddings as arguments to the kernel
     const unsigned int input1_width         = input1->info()->dimension(0);
     const unsigned int input1_right_padding = ceil_to_multiple(input1_width, num_elems_processed_per_iteration) - input1_width;
diff --git a/src/core/CL/kernels/CLWidthConcatenate4TensorsKernel.cpp b/src/core/CL/kernels/CLWidthConcatenate4TensorsKernel.cpp
index 4e673a9..fb025e6 100644
--- a/src/core/CL/kernels/CLWidthConcatenate4TensorsKernel.cpp
+++ b/src/core/CL/kernels/CLWidthConcatenate4TensorsKernel.cpp
@@ -165,6 +165,9 @@
 
     ICLKernel::configure_internal(std::get<1>(win_config));
 
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
     // Pass paddings as arguments to the kernel
     const unsigned int input1_width = input1->info()->dimension(0);
     const unsigned int input2_width = input2->info()->dimension(0);
diff --git a/src/core/CL/kernels/CLWidthConcatenateLayerKernel.cpp b/src/core/CL/kernels/CLWidthConcatenateLayerKernel.cpp
index 01fef48..88cdde7 100644
--- a/src/core/CL/kernels/CLWidthConcatenateLayerKernel.cpp
+++ b/src/core/CL/kernels/CLWidthConcatenateLayerKernel.cpp
@@ -124,6 +124,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     ICLKernel::configure_internal(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 }
 
 void CLWidthConcatenateLayerKernel::run(const Window &window, cl::CommandQueue &queue)
diff --git a/src/core/NEON/kernels/NEBatchConcatenateLayerKernel.cpp b/src/core/NEON/kernels/NEBatchConcatenateLayerKernel.cpp
index 4263892..cfa98fb 100644
--- a/src/core/NEON/kernels/NEBatchConcatenateLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEBatchConcatenateLayerKernel.cpp
@@ -159,6 +159,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     INEKernel::configure(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 }
 
 Status NEBatchConcatenateLayerKernel::validate(const arm_compute::ITensorInfo *input,
diff --git a/src/core/NEON/kernels/NEDepthConcatenateLayerKernel.cpp b/src/core/NEON/kernels/NEDepthConcatenateLayerKernel.cpp
index c9c70d6..4377006 100644
--- a/src/core/NEON/kernels/NEDepthConcatenateLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEDepthConcatenateLayerKernel.cpp
@@ -149,6 +149,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     INEKernel::configure(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 }
 
 Status NEDepthConcatenateLayerKernel::validate(const arm_compute::ITensorInfo *input,
diff --git a/src/core/NEON/kernels/NEHeightConcatenateLayerKernel.cpp b/src/core/NEON/kernels/NEHeightConcatenateLayerKernel.cpp
index 8efab7d..18be1d5 100644
--- a/src/core/NEON/kernels/NEHeightConcatenateLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEHeightConcatenateLayerKernel.cpp
@@ -93,6 +93,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     INEKernel::configure(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 }
 
 Status NEHeightConcatenateLayerKernel::validate(const ITensorInfo *input, unsigned int height_offset, const ITensorInfo *output)
diff --git a/src/core/NEON/kernels/NEWidthConcatenateLayerKernel.cpp b/src/core/NEON/kernels/NEWidthConcatenateLayerKernel.cpp
index 7b1ad9c..cafa20a 100644
--- a/src/core/NEON/kernels/NEWidthConcatenateLayerKernel.cpp
+++ b/src/core/NEON/kernels/NEWidthConcatenateLayerKernel.cpp
@@ -93,6 +93,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     INEKernel::configure(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
 }
 
 Status NEWidthConcatenateLayerKernel::validate(const ITensorInfo *input, unsigned int width_offset, const ITensorInfo *output)