diff --git a/src/common/string_util.cpp b/src/common/string_util.cpp
index f3c64884aa..395cf1d384 100644
--- a/src/common/string_util.cpp
+++ b/src/common/string_util.cpp
@@ -136,27 +136,13 @@ std::string ReplaceAll(std::string result, const std::string& src, const std::st
 }
 
 std::string UTF16ToUTF8(const std::u16string& input) {
-#ifdef _MSC_VER
-    // Workaround for missing char16_t/char32_t instantiations in MSVC2017
-    std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
-    std::basic_string<__int16> tmp_buffer(input.cbegin(), input.cend());
-    return convert.to_bytes(tmp_buffer);
-#else
     std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
     return convert.to_bytes(input);
-#endif
 }
 
 std::u16string UTF8ToUTF16(const std::string& input) {
-#ifdef _MSC_VER
-    // Workaround for missing char16_t/char32_t instantiations in MSVC2017
-    std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
-    auto tmp_buffer = convert.from_bytes(input);
-    return std::u16string(tmp_buffer.cbegin(), tmp_buffer.cend());
-#else
     std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
     return convert.from_bytes(input);
-#endif
 }
 
 #ifdef _WIN32