diff --git a/CMakeLists.txt b/CMakeLists.txt
index 20b21882..9f95fb58 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -230,10 +230,8 @@ endif()
 # ---------------------------------------------------------------------------------------
 # Misc definitions according to tweak options
 # ---------------------------------------------------------------------------------------
-set(SPDLOG_WCHAR_TO_UTF8_SUPPORT ${SPDLOG_WCHAR_SUPPORT})
 foreach(
     SPDLOG_OPTION
-    SPDLOG_WCHAR_TO_UTF8_SUPPORT
     SPDLOG_WCHAR_FILENAMES
     SPDLOG_NO_EXCEPTIONS
     SPDLOG_CLOCK_COARSE
diff --git a/include/spdlog/common.h b/include/spdlog/common.h
index 0a262eb2..dbd0dc7c 100644
--- a/include/spdlog/common.h
+++ b/include/spdlog/common.h
@@ -52,9 +52,6 @@
 #if !defined(SPDLOG_USE_STD_FORMAT) && FMT_VERSION >= 80000 // backward compatibility with fmt versions older than 8
 #    define SPDLOG_FMT_RUNTIME(format_string) fmt::runtime(format_string)
 #    define SPDLOG_FMT_STRING(format_string) FMT_STRING(format_string)
-#    if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
-#        include <spdlog/fmt/xchar.h>
-#    endif
 #else
 #    define SPDLOG_FMT_RUNTIME(format_string) format_string
 #    define SPDLOG_FMT_STRING(format_string) format_string
@@ -149,18 +146,6 @@ using format_string_t = std::string_view;
 template<class T, class Char = char>
 struct is_convertible_to_basic_format_string : std::integral_constant<bool, std::is_convertible<T, std::basic_string_view<Char>>::value>
 {};
-
-#    if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
-using wstring_view_t = std::wstring_view;
-using wmemory_buf_t = std::wstring;
-
-template<typename... Args>
-#        if __cpp_lib_format >= 202207L
-using wformat_string_t = std::wformat_string<Args...>;
-#        else
-using wformat_string_t = std::wstring_view;
-#        endif
-#    endif
 #    define SPDLOG_BUF_TO_STRING(x) x
 #else // use fmt lib instead of std::format
 namespace fmt_lib = fmt;
@@ -189,7 +174,7 @@ struct is_convertible_to_basic_format_string
           std::is_convertible<T, fmt::basic_string_view<Char>>::value || std::is_same<remove_cvref_t<T>, fmt_runtime_string<Char>>::value>
 {};
 
-#    if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
+#    if defined(SPDLOG_WCHAR_FILENAMES)
 using wstring_view_t = fmt::basic_string_view<wchar_t>;
 using wmemory_buf_t = fmt::basic_memory_buffer<wchar_t, 250>;
 
@@ -199,12 +184,6 @@ using wformat_string_t = fmt::wformat_string<Args...>;
 #    define SPDLOG_BUF_TO_STRING(x) fmt::to_string(x)
 #endif
 
-#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
-#    ifndef _WIN32
-#        error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
-#    endif // _WIN32
-#endif     // SPDLOG_WCHAR_TO_UTF8_SUPPORT
-
 template<class T>
 struct is_convertible_to_any_format_string : std::integral_constant<bool, is_convertible_to_basic_format_string<T, char>::value ||
                                                                               is_convertible_to_basic_format_string<T, wchar_t>::value>
@@ -356,7 +335,7 @@ SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(spdlog::string_view_t
     return str;
 }
 
-#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
+#if defined(SPDLOG_WCHAR_FILENAMES)
 SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(const wmemory_buf_t &buf) SPDLOG_NOEXCEPT
 {
     return spdlog::wstring_view_t{buf.data(), buf.size()};
diff --git a/include/spdlog/details/os-inl.h b/include/spdlog/details/os-inl.h
index ea8864ea..02bc6daf 100644
--- a/include/spdlog/details/os-inl.h
+++ b/include/spdlog/details/os-inl.h
@@ -32,7 +32,7 @@
 #        include <share.h>
 #    endif
 
-#    if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)
+#    if defined(SPDLOG_WCHAR_FILENAMES)
 #        include <limits>
 #        include <cassert>
 #    endif
@@ -472,7 +472,7 @@ SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
 #endif
 }
 
-#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
+#if defined(SPDLOG_WCHAR_FILENAMES) && defined(_WIN32)
 SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target)
 {
     if (wstr.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) / 2 - 1)
@@ -538,7 +538,7 @@ SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target)
 
     throw_spdlog_ex(fmt_lib::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError()));
 }
-#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
+#endif // defined(SPDLOG_WCHAR_FILENAMES) && defined(_WIN32)
 
 // return true on success
 static SPDLOG_INLINE bool mkdir_(const filename_t &path)
diff --git a/include/spdlog/details/os.h b/include/spdlog/details/os.h
index 37b00874..55067770 100644
--- a/include/spdlog/details/os.h
+++ b/include/spdlog/details/os.h
@@ -88,7 +88,7 @@ SPDLOG_API bool is_color_terminal() SPDLOG_NOEXCEPT;
 // Source: https://github.com/agauniyal/rang/
 SPDLOG_API bool in_terminal(FILE *file) SPDLOG_NOEXCEPT;
 
-#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
+#if defined(SPDLOG_WCHAR_FILENAMES) && defined(_WIN32)
 SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target);
 
 SPDLOG_API void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target);
diff --git a/include/spdlog/logger.h b/include/spdlog/logger.h
index 0802a5d9..6025a020 100644
--- a/include/spdlog/logger.h
+++ b/include/spdlog/logger.h
@@ -18,13 +18,6 @@
 #include <spdlog/details/log_msg.h>
 #include <spdlog/details/backtracer.h>
 
-#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
-#    ifndef _WIN32
-#        error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
-#    endif
-#    include <spdlog/details/os.h>
-#endif
-
 #include <vector>
 
 #ifndef SPDLOG_NO_EXCEPTIONS
@@ -176,91 +169,6 @@ public:
         log(level::critical, fmt, std::forward<Args>(args)...);
     }
 
-#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
-    template<typename... Args>
-    void log(source_loc loc, level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log_(loc, lvl, details::to_string_view(fmt), std::forward<Args>(args)...);
-    }
-
-    template<typename... Args>
-    void log(level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
-    }
-
-    void log(log_clock::time_point log_time, source_loc loc, level::level_enum lvl, wstring_view_t msg)
-    {
-        bool log_enabled = should_log(lvl);
-        bool traceback_enabled = tracer_.enabled();
-        if (!log_enabled && !traceback_enabled)
-        {
-            return;
-        }
-
-        memory_buf_t buf;
-        details::os::wstr_to_utf8buf(wstring_view_t(msg.data(), msg.size()), buf);
-        details::log_msg log_msg(log_time, loc, name_, lvl, string_view_t(buf.data(), buf.size()));
-        log_it_(log_msg, log_enabled, traceback_enabled);
-    }
-
-    void log(source_loc loc, level::level_enum lvl, wstring_view_t msg)
-    {
-        bool log_enabled = should_log(lvl);
-        bool traceback_enabled = tracer_.enabled();
-        if (!log_enabled && !traceback_enabled)
-        {
-            return;
-        }
-
-        memory_buf_t buf;
-        details::os::wstr_to_utf8buf(wstring_view_t(msg.data(), msg.size()), buf);
-        details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
-        log_it_(log_msg, log_enabled, traceback_enabled);
-    }
-
-    void log(level::level_enum lvl, wstring_view_t msg)
-    {
-        log(source_loc{}, lvl, msg);
-    }
-
-    template<typename... Args>
-    void trace(wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log(level::trace, fmt, std::forward<Args>(args)...);
-    }
-
-    template<typename... Args>
-    void debug(wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log(level::debug, fmt, std::forward<Args>(args)...);
-    }
-
-    template<typename... Args>
-    void info(wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log(level::info, fmt, std::forward<Args>(args)...);
-    }
-
-    template<typename... Args>
-    void warn(wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log(level::warn, fmt, std::forward<Args>(args)...);
-    }
-
-    template<typename... Args>
-    void error(wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log(level::err, fmt, std::forward<Args>(args)...);
-    }
-
-    template<typename... Args>
-    void critical(wformat_string_t<Args...> fmt, Args &&...args)
-    {
-        log(level::critical, fmt, std::forward<Args>(args)...);
-    }
-#endif
-
     template<typename T>
     void trace(const T &msg)
     {
@@ -380,30 +288,6 @@ protected:
         SPDLOG_LOGGER_CATCH(loc)
     }
 
-#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
-    template<typename... Args>
-    void log_(source_loc loc, level::level_enum lvl, wstring_view_t fmt, Args &&...args)
-    {
-        bool log_enabled = should_log(lvl);
-        bool traceback_enabled = tracer_.enabled();
-        if (!log_enabled && !traceback_enabled)
-        {
-            return;
-        }
-        SPDLOG_TRY
-        {
-            // format to wmemory_buffer and convert to utf8
-            wmemory_buf_t wbuf;
-            fmt_lib::vformat_to(std::back_inserter(wbuf), fmt, fmt_lib::make_format_args<fmt_lib::wformat_context>(args...));
-
-            memory_buf_t buf;
-            details::os::wstr_to_utf8buf(wstring_view_t(wbuf.data(), wbuf.size()), buf);
-            details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
-            log_it_(log_msg, log_enabled, traceback_enabled);
-        }
-        SPDLOG_LOGGER_CATCH(loc)
-    }
-#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
 
     // log the given message (if the given log level is high enough),
     // and save backtrace (if backtrace is enabled).
diff --git a/include/spdlog/sinks/msvc_sink.h b/include/spdlog/sinks/msvc_sink.h
index bf68ae88..8d52a2c5 100644
--- a/include/spdlog/sinks/msvc_sink.h
+++ b/include/spdlog/sinks/msvc_sink.h
@@ -6,20 +6,13 @@
 #if defined(_WIN32)
 
 #    include <spdlog/details/null_mutex.h>
-#    if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
-#        include <spdlog/details/os.h>
-#    endif
 #    include <spdlog/sinks/base_sink.h>
 
 #    include <mutex>
 #    include <string>
 
 // Avoid including windows.h (https://stackoverflow.com/a/30741042)
-#    if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
-extern "C" __declspec(dllimport) void __stdcall OutputDebugStringW(const wchar_t *lpOutputString);
-#    else
 extern "C" __declspec(dllimport) void __stdcall OutputDebugStringA(const char *lpOutputString);
-#    endif
 extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
 
 namespace spdlog {
@@ -45,13 +38,7 @@ protected:
         memory_buf_t formatted;
         base_sink<Mutex>::formatter_->format(msg, formatted);
         formatted.push_back('\0'); // add a null terminator for OutputDebugString
-#    if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
-        wmemory_buf_t wformatted;
-        details::os::utf8_to_wstrbuf(string_view_t(formatted.data(), formatted.size()), wformatted);
-        OutputDebugStringW(wformatted.data());
-#    else
         OutputDebugStringA(formatted.data());
-#    endif
     }
 
     void flush_() override {}
diff --git a/include/spdlog/sinks/win_eventlog_sink.h b/include/spdlog/sinks/win_eventlog_sink.h
index d23d00a8..a269ebcc 100644
--- a/include/spdlog/sinks/win_eventlog_sink.h
+++ b/include/spdlog/sinks/win_eventlog_sink.h
@@ -236,18 +236,9 @@ protected:
         base_sink<Mutex>::formatter_->format(msg, formatted);
         formatted.push_back('\0');
 
-#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
-        wmemory_buf_t buf;
-        details::os::utf8_to_wstrbuf(string_view_t(formatted.data(), formatted.size()), buf);
-
-        LPCWSTR lp_wstr = buf.data();
-        succeeded = static_cast<bool>(::ReportEventW(event_log_handle(), eventlog::get_event_type(msg), eventlog::get_event_category(msg),
-            event_id_, current_user_sid_.as_sid(), 1, 0, &lp_wstr, nullptr));
-#else
         LPCSTR lp_str = formatted.data();
         succeeded = static_cast<bool>(::ReportEventA(event_log_handle(), eventlog::get_event_type(msg), eventlog::get_event_category(msg),
             event_id_, current_user_sid_.as_sid(), 1, 0, &lp_str, nullptr));
-#endif
 
         if (!succeeded)
         {
diff --git a/include/spdlog/spdlog.h b/include/spdlog/spdlog.h
index fbfe5fb8..a43e7b2f 100644
--- a/include/spdlog/spdlog.h
+++ b/include/spdlog/spdlog.h
@@ -200,56 +200,6 @@ inline void log(level::level_enum lvl, const T &msg)
     default_logger_raw()->log(lvl, msg);
 }
 
-#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
-template<typename... Args>
-inline void log(source_loc source, level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->log(source, lvl, fmt, std::forward<Args>(args)...);
-}
-
-template<typename... Args>
-inline void log(level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
-}
-
-template<typename... Args>
-inline void trace(wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->trace(fmt, std::forward<Args>(args)...);
-}
-
-template<typename... Args>
-inline void debug(wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->debug(fmt, std::forward<Args>(args)...);
-}
-
-template<typename... Args>
-inline void info(wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->info(fmt, std::forward<Args>(args)...);
-}
-
-template<typename... Args>
-inline void warn(wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->warn(fmt, std::forward<Args>(args)...);
-}
-
-template<typename... Args>
-inline void error(wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->error(fmt, std::forward<Args>(args)...);
-}
-
-template<typename... Args>
-inline void critical(wformat_string_t<Args...> fmt, Args &&...args)
-{
-    default_logger_raw()->critical(fmt, std::forward<Args>(args)...);
-}
-#endif
-
 template<typename T>
 inline void trace(const T &msg)
 {
diff --git a/include/spdlog/tweakme.h b/include/spdlog/tweakme.h
index 5bcb5ff4..b3ef0d68 100644
--- a/include/spdlog/tweakme.h
+++ b/include/spdlog/tweakme.h
@@ -87,12 +87,6 @@
 // #define SPDLOG_USE_STD_FORMAT
 ///////////////////////////////////////////////////////////////////////////////
 
-///////////////////////////////////////////////////////////////////////////////
-// Uncomment to enable wchar_t support (convert to utf8)
-//
-// #define SPDLOG_WCHAR_TO_UTF8_SUPPORT
-///////////////////////////////////////////////////////////////////////////////
-
 ///////////////////////////////////////////////////////////////////////////////
 // Uncomment to prevent child processes from inheriting log file descriptors
 //
diff --git a/tests/test_stdout_api.cpp b/tests/test_stdout_api.cpp
index d55223ff..c1f1578b 100644
--- a/tests/test_stdout_api.cpp
+++ b/tests/test_stdout_api.cpp
@@ -79,20 +79,3 @@ TEST_CASE("stderr_color_mt", "[stderr]")
     spdlog::drop_all();
 }
 
-#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
-
-TEST_CASE("wchar_api", "[stdout]")
-{
-    auto l = spdlog::stdout_logger_st("wchar_logger");
-    l->set_pattern("%+");
-    l->set_level(spdlog::level::trace);
-    l->trace(L"Test wchar_api");
-    l->trace(L"Test wchar_api {}", L"param");
-    l->trace(L"Test wchar_api {}", 1);
-    l->trace(L"Test wchar_api {}", std::wstring{L"wstring param"});
-    l->trace(std::wstring{L"Test wchar_api wstring"});
-    SPDLOG_LOGGER_DEBUG(l, L"Test SPDLOG_LOGGER_DEBUG {}", L"param");
-    spdlog::drop_all();
-}
-
-#endif