diff --git a/tests/src/unit-json_view_large.cpp b/tests/src/unit-json_view_large.cpp
index 5ae909057..89d7db326 100644
--- a/tests/src/unit-json_view_large.cpp
+++ b/tests/src/unit-json_view_large.cpp
@@ -19,7 +19,6 @@ using nlohmann::ordered_json_view;
 
 #include "json_view_test_helpers.hpp"
 using json_view_test::generator;
-using json_view_test::has_duplicate_keys;
 
 #include <algorithm>
 #include <array>