diff --git a/lib/src/gear/string_utils.h b/lib/src/gear/string_utils.h
index 6d01fc50..4475c491 100644
--- a/lib/src/gear/string_utils.h
+++ b/lib/src/gear/string_utils.h
@@ -49,53 +49,6 @@ char** stringSplit(const char* s, const char delimiter);
 char** stringSplit(const char* s, const char delimiter, u_int16_t resultBaseSize, u_int16_t resultIncSize);
 std::vector<std::string> stringSplit(const std::string s, const std::string regexDelimiter);
 
-#if defined(_WIN32)
-static inline std::string stringToUtf8(std::string& codepage_str)
-{
-    int size = MultiByteToWideChar(
-                CP_ACP, MB_COMPOSITE,
-                codepage_str.c_str(),
-                codepage_str.length(),
-                nullptr,
-                0);
-
-    std::wstring utf16_str(size, '\0');
-    MultiByteToWideChar(
-                CP_ACP,
-                MB_COMPOSITE,
-                codepage_str.c_str(),
-                codepage_str.length(),
-                &utf16_str[0],
-                size);
-
-    int utf8_size = WideCharToMultiByte(
-                CP_UTF8,
-                0,
-                utf16_str.c_str(),
-                utf16_str.length(),
-                nullptr,
-                0,
-                nullptr,
-                nullptr);
-    std::string utf8_str(utf8_size, '\0');
-    WideCharToMultiByte(
-                CP_UTF8,
-                0, utf16_str.c_str(),
-                utf16_str.length(),
-                &utf8_str[0],
-                utf8_size,
-                nullptr,
-                nullptr);
-
-    return utf8_str;
-}
-#elif defined(__APPLE__)
-static inline std::string stringToUtf8(std::string& codepage_str)
-{
-    return codepage_str;
-}
-#endif
-
 /**
  * @brief Normalizes a string to NCName.
  *