diff --git a/src/common/String.cpp b/src/common/String.cpp
index a3e1788d9..c50f5fa34 100644
--- a/src/common/String.cpp
+++ b/src/common/String.cpp
@@ -437,135 +437,3 @@ String::Split String::SplitFloat(double &value, size_t pos, std::ios_base::fmtfl
 	LocaleImpl.FlushWStream();
 	return split;
 }
-
-template<> std::ctype<char32_t>::~ctype()
-{
-}
-template<> std::numpunct<char32_t>::numpunct(size_t ref): std::locale::facet(ref)
-{
-}
-template<> std::numpunct<char32_t>::~numpunct()
-{
-}
-
-static struct Locale32Impl
-{
-	std::ctype<wchar_t> const &ctype16;
-	std::numpunct<wchar_t> const &numpunct16;
-	Locale32Impl():
-		ctype16(std::use_facet<std::ctype<wchar_t> >(std::locale())),
-		numpunct16(std::use_facet<std::numpunct<wchar_t> >(std::locale()))
-	{
-		std::locale::global(std::locale(std::locale(), new std::ctype<char32_t>()));
-		std::locale::global(std::locale(std::locale(), new std::numpunct<char32_t>()));
-		std::locale::global(std::locale(std::locale(), new std::num_put<char32_t>()));
-	}
-}
-Locale32Impl;
-
-template<> bool std::ctype<char32_t>::do_is(mask m, char32_t ch) const
-{
-	return ch <= 0xFFFF ? Locale32Impl.ctype16.is(m, ch) : (m & print);
-}
-template<> char32_t const *std::ctype<char32_t>::do_is(char32_t const *low, char32_t const *high, mask *vec) const
-{
-	while(low < high)
-	{
-		if(*low <= 0xFFFF)
-		{
-			wchar_t l = *low;
-			Locale32Impl.ctype16.is(&l, &l + 1, vec);
-		}
-		else
-			*vec = print;
-		low++;
-	}
-	return high;
-}
-template<> char32_t const *std::ctype<char32_t>::do_scan_is(mask m, char32_t const *beg, char32_t const *end) const
-{
-	while(beg < end)
-		if(do_is(m, *beg))
-			return beg;
-		else
-			beg++;
-	return end;
-}
-template<> char32_t const *std::ctype<char32_t>::do_scan_not(mask m, char32_t const *beg, char32_t const *end) const
-{
-	while(beg < end)
-		if(!do_is(m, *beg))
-			return beg;
-		else
-			beg++;
-	return end;
-}
-template<> char32_t std::ctype<char32_t>::do_toupper(char32_t ch) const
-{
-	return ch <= 0xFFFF ? Locale32Impl.ctype16.toupper(ch) : ch;
-}
-template<> char32_t const *std::ctype<char32_t>::do_toupper(char32_t *beg, char32_t const *end) const
-{
-	while(beg < end)
-	{
-		*beg = do_toupper(*beg);
-		beg++;
-	}
-	return end;
-}
-template<> char32_t std::ctype<char32_t>::do_tolower(char32_t ch) const
-{
-	return ch <= 0xFFFF ? Locale32Impl.ctype16.tolower(ch) : ch;
-}
-template<> char32_t const *std::ctype<char32_t>::do_tolower(char32_t *beg, char32_t const *end) const
-{
-	while(beg < end)
-	{
-		*beg = do_tolower(*beg);
-		beg++;
-	}
-	return end;
-}
-template<> char32_t std::ctype<char32_t>::do_widen(char ch) const
-{
-	return Locale32Impl.ctype16.widen(ch);
-}
-template<> char const *std::ctype<char32_t>::do_widen(char const *beg, char const *end, char32_t *dst) const
-{
-	while(beg < end)
-		*(dst++) = do_widen(*(beg++));
-	return end;
-}
-template<> char std::ctype<char32_t>::do_narrow(char32_t ch, char dflt) const
-{
-	return ch <= 0xFFFF ? Locale32Impl.ctype16.narrow(ch, dflt) : dflt;
-}
-template<> char32_t const *std::ctype<char32_t>::do_narrow(char32_t const *beg, char32_t const *end, char dflt, char *dst) const
-{
-	while(beg < end)
-		*(dst++) = do_narrow(*(beg++), dflt);
-	return end;
-}
-
-template<> char32_t std::numpunct<char32_t>::do_decimal_point() const
-{
-	return Locale32Impl.numpunct16.decimal_point();
-}
-template<> char32_t std::numpunct<char32_t>::do_thousands_sep() const
-{
-	return Locale32Impl.numpunct16.thousands_sep();
-}
-template<> std::string std::numpunct<char32_t>::do_grouping() const
-{
-	return Locale32Impl.numpunct16.grouping();
-}
-template<> std::basic_string<char32_t> std::numpunct<char32_t>::do_truename() const
-{
-	std::basic_string<wchar_t> name = Locale32Impl.numpunct16.truename();
-	return std::basic_string<char32_t>(name.begin(), name.end());
-}
-template<> std::basic_string<char32_t> std::numpunct<char32_t>::do_falsename() const
-{
-	std::basic_string<wchar_t> name = Locale32Impl.numpunct16.falsename();
-	return std::basic_string<char32_t>(name.begin(), name.end());
-}
diff --git a/src/common/String.h b/src/common/String.h
index 3e64736fc..05629fc33 100644
--- a/src/common/String.h
+++ b/src/common/String.h
@@ -259,8 +259,6 @@ public:
 	ByteString ToUtf8() const;
 	ByteString ToAscii() const;
 	template<typename... Ts> static String Build(Ts&&... args);
-
-	using Stream = std::basic_stringstream<value_type>;
 };
 
 inline String operator+(String const &lhs, String const &rhs) { return static_cast<std::basic_string<char32_t> const &>(lhs) + static_cast<std::basic_string<char32_t> const &>(rhs); }