diff --git a/tests/validation/fixtures/FlattenLayerFixture.h b/tests/validation/fixtures/FlattenLayerFixture.h
index b6c0dde..e72487c 100644
--- a/tests/validation/fixtures/FlattenLayerFixture.h
+++ b/tests/validation/fixtures/FlattenLayerFixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2021 Arm Limited.
+ * Copyright (c) 2017-2021, 2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -50,7 +50,6 @@
 class FlattenLayerValidationFixture : public framework::Fixture
 {
 public:
-    template <typename...>
     void setup(TensorShape shape, DataType data_type)
     {
         TensorShape shape_flatten;