arm_compute v19.05
diff --git a/tests/validation/reference/ArithmeticOperations.cpp b/tests/validation/reference/ArithmeticOperations.cpp
index 062be93..a6205af 100644
--- a/tests/validation/reference/ArithmeticOperations.cpp
+++ b/tests/validation/reference/ArithmeticOperations.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -88,7 +88,9 @@
 template <typename T>
 SimpleTensor<T> arithmetic_operation(ArithmeticOperation op, const SimpleTensor<T> &src1, const SimpleTensor<T> &src2, SimpleTensor<T> &dst, ConvertPolicy convert_policy)
 {
-    Coordinates id_src1, id_src2, id_dst;
+    Coordinates id_src1{};
+    Coordinates id_src2{};
+    Coordinates id_dst{};
 
     BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1, src2, dst, convert_policy, id_src1, id_src2, id_dst);
 
@@ -98,14 +100,16 @@
 template <>
 SimpleTensor<uint8_t> arithmetic_operation(ArithmeticOperation op, const SimpleTensor<uint8_t> &src1, const SimpleTensor<uint8_t> &src2, SimpleTensor<uint8_t> &dst, ConvertPolicy convert_policy)
 {
+    Coordinates id_src1{};
+    Coordinates id_src2{};
+    Coordinates id_dst{};
+
     if(dst.data_type() == DataType::QASYMM8)
     {
         SimpleTensor<float> src1_tmp = convert_from_asymmetric(src1);
         SimpleTensor<float> src2_tmp = convert_from_asymmetric(src2);
         SimpleTensor<float> dst_tmp(TensorShape::broadcast_shape(src1.shape(), src2.shape()), dst.data_type());
 
-        Coordinates id_src1, id_src2, id_dst;
-
         BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1_tmp, src2_tmp, dst_tmp, convert_policy, id_src1, id_src2, id_dst);
 
         dst = convert_to_asymmetric(dst_tmp, dst.quantization_info());
@@ -114,8 +118,6 @@
     else
     {
         // DataType::U8
-        Coordinates id_src1, id_src2, id_dst;
-
         BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1, src2, dst, convert_policy, id_src1, id_src2, id_dst);
 
         return dst;