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diff --git a/arm_compute/graph2/IDeviceBackend.h b/arm_compute/graph2/IDeviceBackend.h
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--- a/arm_compute/graph2/IDeviceBackend.h
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-/*
- * Copyright (c) 2018 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_GRAPH2_IDEVICEBACKEND_H__
-#define __ARM_COMPUTE_GRAPH2_IDEVICEBACKEND_H__
-
-#include "arm_compute/graph2/ITensorHandle.h"
-#include "arm_compute/graph2/Types.h"
-#include "arm_compute/runtime/IFunction.h"
-#include "arm_compute/runtime/IMemoryManager.h"
-
-#include <memory>
-
-namespace arm_compute
-{
-namespace graph2
-{
-// Forward declarations
-class Graph;
-class GraphContext;
-class Tensor;
-class INode;
-
-namespace backends
-{
-/** Device backend interface */
-class IDeviceBackend
-{
-public:
-    /** Virtual Destructor */
-    virtual ~IDeviceBackend() = default;
-    /** Initializes the backend */
-    virtual void initialize_backend() = 0;
-    /** Setups the given graph context
-     *
-     * @param[in] ctx Graph context
-     */
-    virtual void setup_backend_context(GraphContext &ctx) = 0;
-    /** Create a backend Tensor
-     *
-     * @param[in] tensor The tensor we want to create a backend tensor for
-     *
-     * @return Backend tensor handle
-     */
-    virtual std::unique_ptr<ITensorHandle> create_tensor(const Tensor &tensor) = 0;
-    /** Create a backend Sub-Tensor
-     *
-     * @param[in] parent        Parent sub-tensor handle
-     * @param[in] shape         Shape of the sub-tensor
-     * @param[in] coords        Starting coordinates of the sub-tensor
-     * @param[in] extend_parent Extends parent shape if true
-     *
-     * @return Backend sub-tensor handle
-     */
-    virtual std::unique_ptr<ITensorHandle> create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) = 0;
-    /** Configure a backend Node
-     *
-     * @note This creates an appropriate configured backend function for the given node
-     *
-     * @param[in] node The node we want to configure
-     * @param[in] ctx  Context to use
-     *
-     * @return Backend execution function
-     */
-    virtual std::unique_ptr<arm_compute::IFunction> configure_node(INode &node, GraphContext &ctx) = 0;
-    /** Validate a node
-     *
-     * @param[in] node The node we want to validate
-     *
-     * @return An error status
-     */
-    virtual Status validate_node(INode &node) = 0;
-    /** Create a backend memory manager given its affinity
-     *
-     * @param[in] affinity Memory Manager affinity
-     *
-     * @return Memory manager
-     */
-    virtual std::shared_ptr<arm_compute::IMemoryManager> create_memory_manager(MemoryManagerAffinity affinity) = 0;
-};
-} // namespace backends
-} // namespace graph2
-} // namespace arm_compute
-#endif //__ARM_COMPUTE_GRAPH2_IDEVICEBACKEND_H__