diff --git a/tests/test_daily_and_rotation_loggers.cpp b/tests/test_daily_and_rotation_loggers.cpp
index dad43795..619d95c7 100644
--- a/tests/test_daily_and_rotation_loggers.cpp
+++ b/tests/test_daily_and_rotation_loggers.cpp
@@ -8,15 +8,17 @@
 
 using filename_memory_buf_t = spdlog::memory_buf_t;
 
-#ifdef SPDLOG_WCHAR_FILENAMES
-std::string filename_buf_to_utf8string(const filename_memory_buf_t &w) {
-    spdlog::memory_buf_t buf;
-    spdlog::details::os::wstr_to_utf8buf(spdlog::wstring_view_t(w.data(), w.size()), buf);
-    return SPDLOG_BUF_TO_STRING(buf);
-}
-#else
+// #ifdef SPDLOG_WCHAR_FILENAMES
+// std::string filename_buf_to_utf8string(const filename_memory_buf_t &w) {
+//     spdlog::memory_buf_t buf;
+//     spdlog::details::os::wstr_to_utf8buf(spdlog::wstring_view_t(w.data(), w.size()), buf);
+//     return SPDLOG_BUF_TO_STRING(buf);
+// }
+// #else
+// std::string filename_buf_to_utf8string(const filename_memory_buf_t &w) { return SPDLOG_BUF_TO_STRING(w); }
+// #endif
+
 std::string filename_buf_to_utf8string(const filename_memory_buf_t &w) { return SPDLOG_BUF_TO_STRING(w); }
-#endif
 
 TEST_CASE("daily_logger with dateonly calculator", "[daily_logger]") {
     using sink_type = spdlog::sinks::daily_file_sink<std::mutex, spdlog::sinks::daily_filename_calculator>;