diff --git a/tests/validation/fixtures/WarpAffineFixture.h b/tests/validation/fixtures/WarpAffineFixture.h
index 3b106e1..fef1f6b 100644
--- a/tests/validation/fixtures/WarpAffineFixture.h
+++ b/tests/validation/fixtures/WarpAffineFixture.h
@@ -56,7 +56,7 @@
 
         // Create the matrix
         std::array<float, 6> matrix{ {} };
-        fill_warp_matrix<6>(matrix, 3, 2);
+        fill_warp_matrix<6>(matrix);
 
         _target    = compute_target(shape, data_type, matrix.data(), policy, border_mode, constant_border_value);
         _reference = compute_reference(shape, data_type, matrix.data(), policy, border_mode, constant_border_value);
@@ -118,4 +118,4 @@
 } // namespace validation
 } // namespace test
 } // namespace arm_compute
-#endif /* ARM_COMPUTE_TEST_WARP_AFFINE_FIXTURE */
\ No newline at end of file
+#endif /* ARM_COMPUTE_TEST_WARP_AFFINE_FIXTURE */