3 files changed, 6 insertions, 6 deletions
diff --git a/arm_compute/graph/Graph.h b/arm_compute/graph/Graph.h
index 2a776826e5..878976f0af 100644
--- a/arm_compute/graph/Graph.h
+++ b/arm_compute/graph/Graph.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 ARM Limited.
+ * Copyright (c) 2018-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -216,7 +216,7 @@ private:
      *
      * @return Tensor ID
      */
-    TensorID create_tensor(TensorDescriptor desc = TensorDescriptor());
+    TensorID create_tensor(const TensorDescriptor &desc = TensorDescriptor());
 
 private:
     GraphID                              _id      = GraphID(0); /**< Graph id */
diff --git a/arm_compute/graph/GraphBuilder.h b/arm_compute/graph/GraphBuilder.h
index f1d387b719..1d6ecc83ed 100644
--- a/arm_compute/graph/GraphBuilder.h
+++ b/arm_compute/graph/GraphBuilder.h
@@ -51,7 +51,7 @@ public:
      *
      * @return Node ID of the created node, EmptyNodeID in case of error
      */
-    static NodeID add_const_node(Graph &g, NodeParams params, TensorDescriptor desc, ITensorAccessorUPtr accessor = nullptr);
+    static NodeID add_const_node(Graph &g, NodeParams params, const TensorDescriptor &desc, ITensorAccessorUPtr accessor = nullptr);
     /** Adds an input layer node to the graph
      *
      * @param[in] g        Graph to add the node to
@@ -61,7 +61,7 @@ public:
      *
      * @return Node ID of the created node, EmptyNodeID in case of error
      */
-    static NodeID add_input_node(Graph &g, NodeParams params, TensorDescriptor desc, ITensorAccessorUPtr accessor = nullptr);
+    static NodeID add_input_node(Graph &g, NodeParams params, const TensorDescriptor &desc, ITensorAccessorUPtr accessor = nullptr);
     /** Adds an output layer node to the graph
      *
      * @param[in] g        Graph to add the node to
diff --git a/arm_compute/graph/Tensor.h b/arm_compute/graph/Tensor.h
index 54fb2583e7..07eec1e50b 100644
--- a/arm_compute/graph/Tensor.h
+++ b/arm_compute/graph/Tensor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 ARM Limited.
+ * Copyright (c) 2018-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -108,7 +108,7 @@ public:
      *
      * @return Bound edges
      */
-    const std::set<EdgeID> bound_edges() const;
+    std::set<EdgeID> bound_edges() const;
 
 private:
     TensorID                         _id;          /**< Tensor id */