diff --git a/benchmarks/copy/copy_layout_stride.cpp b/benchmarks/copy/copy_layout_stride.cpp
index 6373979b..fe0e3c5a 100644
--- a/benchmarks/copy/copy_layout_stride.cpp
+++ b/benchmarks/copy/copy_layout_stride.cpp
@@ -13,7 +13,6 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //@HEADER
-#define MDSPAN_USE_PAREN_OPERATOR
 #include <mdspan/mdspan.hpp>
 
 #include <benchmark/benchmark.h>