diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index 1a89b28..de190c6 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -5155,11 +5155,11 @@ namespace pugi
 	}
 
 #ifndef PUGIXML_NO_STL
-	PUGI_IMPL_FN xml_writer_stream::xml_writer_stream(std::basic_ostream<char, std::char_traits<char> >& stream): narrow_stream(&stream), wide_stream(NULL)
+	PUGI_IMPL_FN xml_writer_stream::xml_writer_stream(std::basic_ostream<char>& stream): narrow_stream(&stream), wide_stream(NULL)
 	{
 	}
 
-	PUGI_IMPL_FN xml_writer_stream::xml_writer_stream(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream): narrow_stream(NULL), wide_stream(&stream)
+	PUGI_IMPL_FN xml_writer_stream::xml_writer_stream(std::basic_ostream<wchar_t>& stream): narrow_stream(NULL), wide_stream(&stream)
 	{
 	}
 
@@ -6551,14 +6551,14 @@ namespace pugi
 	}
 
 #ifndef PUGIXML_NO_STL
-	PUGI_IMPL_FN void xml_node::print(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent, unsigned int flags, xml_encoding encoding, unsigned int depth) const
+	PUGI_IMPL_FN void xml_node::print(std::basic_ostream<char>& stream, const char_t* indent, unsigned int flags, xml_encoding encoding, unsigned int depth) const
 	{
 		xml_writer_stream writer(stream);
 
 		print(writer, indent, flags, encoding, depth);
 	}
 
-	PUGI_IMPL_FN void xml_node::print(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent, unsigned int flags, unsigned int depth) const
+	PUGI_IMPL_FN void xml_node::print(std::basic_ostream<wchar_t>& stream, const char_t* indent, unsigned int flags, unsigned int depth) const
 	{
 		xml_writer_stream writer(stream);
 
@@ -7373,14 +7373,14 @@ namespace pugi
 #endif
 
 #ifndef PUGIXML_NO_STL
-	PUGI_IMPL_FN xml_parse_result xml_document::load(std::basic_istream<char, std::char_traits<char> >& stream, unsigned int options, xml_encoding encoding)
+	PUGI_IMPL_FN xml_parse_result xml_document::load(std::basic_istream<char>& stream, unsigned int options, xml_encoding encoding)
 	{
 		reset();
 
 		return impl::load_stream_impl(static_cast<impl::xml_document_struct*>(_root), stream, options, encoding, &_buffer);
 	}
 
-	PUGI_IMPL_FN xml_parse_result xml_document::load(std::basic_istream<wchar_t, std::char_traits<wchar_t> >& stream, unsigned int options)
+	PUGI_IMPL_FN xml_parse_result xml_document::load(std::basic_istream<wchar_t>& stream, unsigned int options)
 	{
 		reset();
 
@@ -7475,14 +7475,14 @@ namespace pugi
 	}
 
 #ifndef PUGIXML_NO_STL
-	PUGI_IMPL_FN void xml_document::save(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent, unsigned int flags, xml_encoding encoding) const
+	PUGI_IMPL_FN void xml_document::save(std::basic_ostream<char>& stream, const char_t* indent, unsigned int flags, xml_encoding encoding) const
 	{
 		xml_writer_stream writer(stream);
 
 		save(writer, indent, flags, encoding);
 	}
 
-	PUGI_IMPL_FN void xml_document::save(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent, unsigned int flags) const
+	PUGI_IMPL_FN void xml_document::save(std::basic_ostream<wchar_t>& stream, const char_t* indent, unsigned int flags) const
 	{
 		xml_writer_stream writer(stream);
 
diff --git a/src/pugixml.hpp b/src/pugixml.hpp
index d17a7e6..67bf5dc 100644
--- a/src/pugixml.hpp
+++ b/src/pugixml.hpp
@@ -138,7 +138,7 @@ namespace pugi
 
 #ifndef PUGIXML_NO_STL
 	// String type used for operations that work with STL string; depends on PUGIXML_WCHAR_MODE
-	typedef std::basic_string<PUGIXML_CHAR, std::char_traits<PUGIXML_CHAR>, std::allocator<PUGIXML_CHAR> > string_t;
+	typedef std::basic_string<PUGIXML_CHAR> string_t;
 #endif
 }
 
@@ -353,14 +353,14 @@ namespace pugi
 	{
 	public:
 		// Construct writer from an output stream object
-		xml_writer_stream(std::basic_ostream<char, std::char_traits<char> >& stream);
-		xml_writer_stream(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream);
+		xml_writer_stream(std::basic_ostream<char>& stream);
+		xml_writer_stream(std::basic_ostream<wchar_t>& stream);
 
 		virtual void write(const void* data, size_t size) PUGIXML_OVERRIDE;
 
 	private:
-		std::basic_ostream<char, std::char_traits<char> >* narrow_stream;
-		std::basic_ostream<wchar_t, std::char_traits<wchar_t> >* wide_stream;
+		std::basic_ostream<char>* narrow_stream;
+		std::basic_ostream<wchar_t>* wide_stream;
 	};
 	#endif
 
@@ -700,8 +700,8 @@ namespace pugi
 
 	#ifndef PUGIXML_NO_STL
 		// Print subtree to stream
-		void print(std::basic_ostream<char, std::char_traits<char> >& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto, unsigned int depth = 0) const;
-		void print(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, unsigned int depth = 0) const;
+		void print(std::basic_ostream<char>& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto, unsigned int depth = 0) const;
+		void print(std::basic_ostream<wchar_t>& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, unsigned int depth = 0) const;
 	#endif
 
 		// Child nodes iterators
@@ -1072,8 +1072,8 @@ namespace pugi
 
 	#ifndef PUGIXML_NO_STL
 		// Load document from stream.
-		xml_parse_result load(std::basic_istream<char, std::char_traits<char> >& stream, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
-		xml_parse_result load(std::basic_istream<wchar_t, std::char_traits<wchar_t> >& stream, unsigned int options = parse_default);
+		xml_parse_result load(std::basic_istream<char>& stream, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
+		xml_parse_result load(std::basic_istream<wchar_t>& stream, unsigned int options = parse_default);
 	#endif
 
 		// (deprecated: use load_string instead) Load document from zero-terminated string. No encoding conversions are applied.
@@ -1102,8 +1102,8 @@ namespace pugi
 
 	#ifndef PUGIXML_NO_STL
 		// Save XML document to stream (semantics is slightly different from xml_node::print, see documentation for details).
-		void save(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;
-		void save(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default) const;
+		void save(std::basic_ostream<char>& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;
+		void save(std::basic_ostream<wchar_t>& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default) const;
 	#endif
 
 		// Save XML to file
@@ -1439,12 +1439,12 @@ namespace pugi
 
 #ifndef PUGIXML_NO_STL
 	// Convert wide string to UTF8
-	std::basic_string<char, std::char_traits<char>, std::allocator<char> > PUGIXML_FUNCTION as_utf8(const wchar_t* str);
-	std::basic_string<char, std::char_traits<char>, std::allocator<char> > PUGIXML_FUNCTION as_utf8(const std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >& str);
+	std::basic_string<char> PUGIXML_FUNCTION as_utf8(const wchar_t* str);
+	std::basic_string<char> PUGIXML_FUNCTION as_utf8(const std::basic_string<wchar_t>& str);
 
 	// Convert UTF8 to wide string
-	std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > PUGIXML_FUNCTION as_wide(const char* str);
-	std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > PUGIXML_FUNCTION as_wide(const std::basic_string<char, std::char_traits<char>, std::allocator<char> >& str);
+	std::basic_string<wchar_t> PUGIXML_FUNCTION as_wide(const char* str);
+	std::basic_string<wchar_t> PUGIXML_FUNCTION as_wide(const std::basic_string<char>& str);
 #endif
 
 	// Memory allocation function interface; returns pointer to allocated memory or NULL on failure