diff --git a/fmt/format.h b/fmt/format.h
index ebf3602..93d4e0e 100644
--- a/fmt/format.h
+++ b/fmt/format.h
@@ -371,7 +371,7 @@
 typedef basic_writer<wchar_t> wwriter;
 
 template <typename Context>
-class basic_format_arg;
+class basic_arg;
 
 template <typename Char>
 class ArgFormatter;
@@ -587,16 +587,16 @@
   \endrst
  */
 template <typename T>
-class Buffer {
+class buffer {
  private:
-  FMT_DISALLOW_COPY_AND_ASSIGN(Buffer);
+  FMT_DISALLOW_COPY_AND_ASSIGN(buffer);
 
  protected:
   T *ptr_;
   std::size_t size_;
   std::size_t capacity_;
 
-  Buffer(T *ptr = 0, std::size_t capacity = 0)
+  buffer(T *ptr = 0, std::size_t capacity = 0)
     : ptr_(ptr), size_(0), capacity_(capacity) {}
 
   /**
@@ -608,7 +608,7 @@
   virtual void grow(std::size_t size) = 0;
 
  public:
-  virtual ~Buffer() {}
+  virtual ~buffer() {}
 
   /** Returns the size of this buffer. */
   std::size_t size() const { return size_; }
@@ -653,7 +653,7 @@
 
 template <typename T>
 template <typename U>
-void Buffer<T>::append(const U *begin, const U *end) {
+void buffer<T>::append(const U *begin, const U *end) {
   std::size_t new_size = size_ + internal::to_unsigned(end - begin);
   if (new_size > capacity_)
     grow(new_size);
@@ -667,7 +667,7 @@
 // A memory buffer for trivially copyable/constructible types with the first
 // SIZE elements stored in the object itself.
 template <typename T, std::size_t SIZE, typename Allocator = std::allocator<T> >
-class MemoryBuffer : private Allocator, public Buffer<T> {
+class MemoryBuffer : private Allocator, public buffer<T> {
  private:
   T data_[SIZE];
 
@@ -681,7 +681,7 @@
 
  public:
   explicit MemoryBuffer(const Allocator &alloc = Allocator())
-      : Allocator(alloc), Buffer<T>(data_, SIZE) {}
+      : Allocator(alloc), buffer<T>(data_, SIZE) {}
   ~MemoryBuffer() { deallocate(); }
 
 #if FMT_USE_RVALUE_REFERENCES
@@ -743,9 +743,10 @@
 
 // A fixed-size buffer.
 template <typename Char>
-class FixedBuffer : public fmt::Buffer<Char> {
+class FixedBuffer : public fmt::buffer<Char> {
  public:
-  FixedBuffer(Char *array, std::size_t size) : fmt::Buffer<Char>(array, size) {}
+  FixedBuffer(Char *array, std::size_t size)
+    : fmt::buffer<Char>(array, size) {}
 
  protected:
   FMT_API void grow(std::size_t size);
@@ -1322,34 +1323,34 @@
 class ArgMap;
 
 template <typename Context, typename T>
-basic_format_arg<Context> make_arg(const T &value);
+basic_arg<Context> make_arg(const T &value);
 }  // namespace internal
 
 struct monostate {};
 
 template <typename Context>
-class basic_format_args;
+class basic_args;
 
 // A formatting argument. It is a trivially copyable/constructible type to
 // allow storage in internal::MemoryBuffer.
 template <typename Context>
-class basic_format_arg {
+class basic_arg {
  private:
   internal::value<Context> value_;
   internal::Type type_;
 
   template <typename ContextType, typename T>
-  friend basic_format_arg<ContextType> internal::make_arg(const T &value);
+  friend basic_arg<ContextType> internal::make_arg(const T &value);
 
   template <typename Visitor, typename Ctx>
   friend typename std::result_of<Visitor(int)>::type
-    visit(Visitor &&vis, basic_format_arg<Ctx> arg);
+    visit(Visitor &&vis, basic_arg<Ctx> arg);
 
-  friend class basic_format_args<Context>;
+  friend class basic_args<Context>;
   friend class internal::ArgMap<Context>;
 
  public:
-  basic_format_arg() : type_(internal::NONE) {}
+  basic_arg() : type_(internal::NONE) {}
 
   explicit operator bool() const noexcept { return type_ != internal::NONE; }
 
@@ -1368,8 +1369,8 @@
   }
 };
 
-typedef basic_format_arg<format_context> format_arg;
-typedef basic_format_arg<wformat_context> wformat_arg;
+typedef basic_arg<format_context> format_arg;
+typedef basic_arg<wformat_context> wformat_arg;
 
 /**
   \rst
@@ -1380,7 +1381,7 @@
  */
 template <typename Visitor, typename Context>
 typename std::result_of<Visitor(int)>::type
-    visit(Visitor &&vis, basic_format_arg<Context> arg) {
+    visit(Visitor &&vis, basic_arg<Context> arg) {
   typedef typename Context::char_type Char;
   switch (arg.type_) {
   case internal::NONE:
@@ -1422,8 +1423,8 @@
 namespace internal {
 
 template <typename Context, typename T>
-basic_format_arg<Context> make_arg(const T &value) {
-  basic_format_arg<Context> arg;
+basic_arg<Context> make_arg(const T &value) {
+  basic_arg<Context> arg;
   arg.type_ = internal::type<T>();
   arg.value_ = value;
   return arg;
@@ -1474,14 +1475,14 @@
 }
 
 template <typename Context>
-struct NamedArg : basic_format_arg<Context> {
+struct NamedArg : basic_arg<Context> {
   typedef typename Context::char_type Char;
 
   BasicStringRef<Char> name;
 
   template <typename T>
   NamedArg(BasicStringRef<Char> argname, const T &value)
-  : basic_format_arg<Context>(make_arg<Context>(value)), name(argname) {}
+  : basic_arg<Context>(make_arg<Context>(value)), name(argname) {}
 };
 
 class RuntimeError : public std::runtime_error {
@@ -1508,7 +1509,7 @@
 }
 
 template <bool IS_PACKED, typename Context, typename T>
-inline typename std::enable_if<!IS_PACKED, basic_format_arg<Context>>::type
+inline typename std::enable_if<!IS_PACKED, basic_arg<Context>>::type
     make_arg(const T& value) {
   return make_arg<Context>(value);
 }
@@ -1525,7 +1526,7 @@
   typedef typename Context::char_type char_type;
 
   typedef typename std::conditional<IS_PACKED,
-    internal::value<Context>, basic_format_arg<Context>>::type value_type;
+    internal::value<Context>, basic_arg<Context>>::type value_type;
 
   // If the arguments are not packed, add one more element to mark the end.
   typedef std::array<value_type, NUM_ARGS + (IS_PACKED ? 0 : 1)> Array;
@@ -1554,10 +1555,10 @@
 
 /** Formatting arguments. */
 template <typename Context>
-class basic_format_args {
+class basic_args {
  public:
   typedef unsigned size_type;
-  typedef basic_format_arg<Context> format_arg;
+  typedef basic_arg<Context> format_arg;
 
  private:
   // To reduce compiled code size per formatting function call, types of first
@@ -1610,10 +1611,10 @@
   }
 
  public:
-  basic_format_args() : types_(0) {}
+  basic_args() : types_(0) {}
 
   template <typename... Args>
-  basic_format_args(const format_arg_store<Context, Args...> &store)
+  basic_args(const format_arg_store<Context, Args...> &store)
   : types_(store.TYPES) {
     set_data(store.data());
   }
@@ -1626,8 +1627,8 @@
   }
 };
 
-typedef basic_format_args<format_context> format_args;
-typedef basic_format_args<wformat_context> wformat_args;
+typedef basic_args<format_context> format_args;
+typedef basic_args<wformat_context> wformat_args;
 
 enum Alignment {
   ALIGN_DEFAULT, ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER, ALIGN_NUMERIC
@@ -1791,15 +1792,15 @@
  private:
   typedef typename Context::char_type Char;
   typedef std::vector<
-    std::pair<fmt::BasicStringRef<Char>, basic_format_arg<Context> > > MapType;
+    std::pair<fmt::BasicStringRef<Char>, basic_arg<Context> > > MapType;
   typedef typename MapType::value_type Pair;
 
   MapType map_;
 
  public:
-  void init(const basic_format_args<Context> &args);
+  void init(const basic_args<Context> &args);
 
-  const basic_format_arg<Context>
+  const basic_arg<Context>
       *find(const fmt::BasicStringRef<Char> &name) const {
     // The list is unsorted, so just return the first matching name.
     for (typename MapType::const_iterator it = map_.begin(), end = map_.end();
@@ -1812,7 +1813,7 @@
 };
 
 template <typename Context>
-void ArgMap<Context>::init(const basic_format_args<Context> &args) {
+void ArgMap<Context>::init(const basic_args<Context> &args) {
   if (!map_.empty())
     return;
   typedef internal::NamedArg<Context> NamedArg;
@@ -1987,17 +1988,17 @@
 class format_context_base {
  private:
   const Char *ptr_;
-  basic_format_args<Context> args_;
+  basic_args<Context> args_;
   int next_arg_index_;
 
  protected:
-  typedef basic_format_arg<Context> format_arg;
+  typedef basic_arg<Context> format_arg;
 
-  format_context_base(const Char *format_str, basic_format_args<Context> args)
+  format_context_base(const Char *format_str, basic_args<Context> args)
   : ptr_(format_str), args_(args), next_arg_index_(0) {}
   ~format_context_base() {}
 
-  basic_format_args<Context> args() const { return args_; }
+  basic_args<Context> args() const { return args_; }
 
   // Returns the argument with specified index.
   format_arg do_get_arg(unsigned arg_index, const char *&error) {
@@ -2097,7 +2098,7 @@
    \endrst
    */
   basic_format_context(const Char *format_str,
-                       basic_format_args<basic_format_context> args)
+                       basic_args<basic_format_context> args)
   : Base(format_str, args) {}
 
   // Parses argument id and returns corresponding argument.
@@ -2203,7 +2204,7 @@
 
  private:
   // Output buffer.
-  Buffer<Char> &buffer_;
+  buffer<Char> &buffer_;
 
   FMT_DISALLOW_COPY_AND_ASSIGN(basic_writer);
 
@@ -2306,7 +2307,7 @@
   /**
     Constructs a ``basic_writer`` object.
    */
-  explicit basic_writer(Buffer<Char> &b) : buffer_(b) {}
+  explicit basic_writer(buffer<Char> &b) : buffer_(b) {}
 
  public:
   /**
@@ -2348,7 +2349,7 @@
   }
 
   void vformat(BasicCStringRef<Char> format,
-               basic_format_args<basic_format_context<Char>> args);
+               basic_args<basic_format_context<Char>> args);
   /**
     \rst
     Writes formatted data.
@@ -2447,7 +2448,7 @@
 
   void clear() FMT_NOEXCEPT { buffer_.clear(); }
 
-  Buffer<Char> &buffer() FMT_NOEXCEPT { return buffer_; }
+  buffer<Char> &buffer() FMT_NOEXCEPT { return buffer_; }
 };
 
 template <typename Char>
@@ -3242,7 +3243,7 @@
 
 template <typename Char>
 inline void require_numeric_argument(
-    const basic_format_arg<Char> &arg, char spec) {
+    const basic_arg<Char> &arg, char spec) {
   if (!arg.is_numeric()) {
     FMT_THROW(fmt::format_error(
         fmt::format("format specifier '{}' requires numeric argument", spec)));
@@ -3264,7 +3265,7 @@
 };
 
 template <typename Char, typename Context>
-void check_sign(const Char *&s, const basic_format_arg<Context> &arg) {
+void check_sign(const Char *&s, const basic_arg<Context> &arg) {
   char sign = static_cast<char>(*s);
   require_numeric_argument(arg, sign);
   if (visit(IsUnsigned(), arg)) {
@@ -3378,7 +3379,7 @@
 
 // Formats a single argument.
 template <typename ArgFormatter, typename Char, typename Context>
-void do_format_arg(basic_writer<Char> &writer, basic_format_arg<Context> arg,
+void do_format_arg(basic_writer<Char> &writer, basic_arg<Context> arg,
                    Context &ctx) {
   const Char *&s = ctx.ptr();
   basic_format_specs<Char> spec;
@@ -3505,7 +3506,7 @@
 /** Formats arguments and writes the output to the writer. */
 template <typename ArgFormatter, typename Char, typename Context>
 void vwrite(basic_writer<Char> &writer, BasicCStringRef<Char> format_str,
-             basic_format_args<Context> args) {
+             basic_args<Context> args) {
   basic_format_context<Char> ctx(format_str.c_str(), args);
   const Char *&s = ctx.ptr();
   const Char *start = s;
@@ -3531,7 +3532,7 @@
 template <typename Char>
 inline void basic_writer<Char>::vformat(
     BasicCStringRef<Char> format,
-    basic_format_args<basic_format_context<Char>> args) {
+    basic_args<basic_format_context<Char>> args) {
   vwrite<ArgFormatter<Char>>(*this, format, args);
 }
 }  // namespace fmt
diff --git a/fmt/ostream.h b/fmt/ostream.h
index bae8310..c6eb17a 100644
--- a/fmt/ostream.h
+++ b/fmt/ostream.h
@@ -23,11 +23,11 @@
   typedef typename std::basic_streambuf<Char>::int_type int_type;
   typedef typename std::basic_streambuf<Char>::traits_type traits_type;
 
-  Buffer<Char> &buffer_;
+  buffer<Char> &buffer_;
   Char *start_;
 
  public:
-  FormatBuf(Buffer<Char> &buffer) : buffer_(buffer), start_(&buffer[0]) {
+  FormatBuf(buffer<Char> &buffer) : buffer_(buffer), start_(&buffer[0]) {
     this->setp(start_, start_ + buffer_.capacity());
   }
 
diff --git a/fmt/printf.h b/fmt/printf.h
index 3316887..09ed776 100644
--- a/fmt/printf.h
+++ b/fmt/printf.h
@@ -85,11 +85,11 @@
  private:
   typedef typename Context::char_type Char;
 
-  basic_format_arg<Context> &arg_;
+  basic_arg<Context> &arg_;
   typename Context::char_type type_;
 
  public:
-  ArgConverter(basic_format_arg<Context> &arg, Char type)
+  ArgConverter(basic_arg<Context> &arg, Char type)
     : arg_(arg), type_(type) {}
 
   void operator()(bool value) {
@@ -139,7 +139,7 @@
 // type depending on the type specifier: 'd' and 'i' - signed, other -
 // unsigned).
 template <typename T, typename Context, typename Char>
-void convert_arg(basic_format_arg<Context> &arg, Char type) {
+void convert_arg(basic_arg<Context> &arg, Char type) {
   visit(ArgConverter<T, Context>(arg, type), arg);
 }
 
@@ -147,12 +147,12 @@
 template <typename Context>
 class CharConverter {
  private:
-  basic_format_arg<Context> &arg_;
+  basic_arg<Context> &arg_;
 
   FMT_DISALLOW_COPY_AND_ASSIGN(CharConverter);
 
  public:
-  explicit CharConverter(basic_format_arg<Context> &arg) : arg_(arg) {}
+  explicit CharConverter(basic_arg<Context> &arg) : arg_(arg) {}
 
   template <typename T>
   typename std::enable_if<std::is_integral<T>::value>::type
@@ -287,7 +287,7 @@
   /** Formats an argument of a custom (user-defined) type. */
   void operator()(internal::CustomValue<Char> c) {
     const Char format_str[] = {'}', '\0'};
-    auto args = basic_format_args<basic_format_context<Char>>();
+    auto args = basic_args<basic_format_context<Char>>();
     basic_format_context<Char> ctx(format_str, args);
     c.format(this->writer(), c.value, &ctx);
   }
@@ -328,7 +328,7 @@
    \endrst
    */
   explicit printf_context(BasicCStringRef<Char> format_str,
-                          basic_format_args<printf_context> args)
+                          basic_args<printf_context> args)
     : Base(format_str.c_str(), args) {}
 
   /** Formats stored arguments and writes the output to the writer. */
@@ -516,11 +516,11 @@
 
 template <typename Char>
 void printf(basic_writer<Char> &w, BasicCStringRef<Char> format,
-            basic_format_args<printf_context<Char>> args) {
+            basic_args<printf_context<Char>> args) {
   printf_context<Char>(format, args).format(w);
 }
 
-typedef basic_format_args<printf_context<char>> printf_args;
+typedef basic_args<printf_context<char>> printf_args;
 
 inline std::string vsprintf(CStringRef format, printf_args args) {
   MemoryWriter w;
@@ -543,7 +543,7 @@
 }
 
 inline std::wstring vsprintf(
-    WCStringRef format, basic_format_args<printf_context<wchar_t>> args) {
+    WCStringRef format, basic_args<printf_context<wchar_t>> args) {
   WMemoryWriter w;
   printf(w, format, args);
   return w.str();
diff --git a/fmt/string.h b/fmt/string.h
index 0de41b9..acb399b 100644
--- a/fmt/string.h
+++ b/fmt/string.h
@@ -18,7 +18,7 @@
 
 // A buffer that stores data in ``std::string``.
 template <typename Char>
-class StringBuffer : public Buffer<Char> {
+class StringBuffer : public buffer<Char> {
  private:
   std::basic_string<Char> data_;
 
diff --git a/fmt/time.h b/fmt/time.h
index 6b970bc..f021a89 100644
--- a/fmt/time.h
+++ b/fmt/time.h
@@ -27,7 +27,7 @@
   internal::MemoryBuffer<char, internal::INLINE_BUFFER_SIZE> format;
   format.append(s, end + 1);
   format[format.size() - 1] = '\0';
-  Buffer<char> &buffer = w.buffer();
+  buffer<char> &buffer = w.buffer();
   std::size_t start = buffer.size();
   for (;;) {
     std::size_t size = buffer.capacity() - start;
diff --git a/test/custom-formatter-test.cc b/test/custom-formatter-test.cc
index 8c64621..95117c7 100644
--- a/test/custom-formatter-test.cc
+++ b/test/custom-formatter-test.cc
@@ -63,7 +63,7 @@
 
 std::string custom_vsprintf(
     const char* format_str,
-    fmt::basic_format_args<CustomPrintfFormatter> args) {
+    fmt::basic_args<CustomPrintfFormatter> args) {
   fmt::MemoryWriter writer;
   CustomPrintfFormatter formatter(format_str, args);
   formatter.format(writer);
diff --git a/test/ostream-test.cc b/test/ostream-test.cc
index c2498e9..73c8c05 100644
--- a/test/ostream-test.cc
+++ b/test/ostream-test.cc
@@ -136,7 +136,7 @@
 
   class TestWriter : public fmt::basic_writer<char> {
    private:
-    struct TestBuffer : fmt::Buffer<char> {
+    struct TestBuffer : fmt::buffer<char> {
       explicit TestBuffer(std::size_t size) { size_ = size; }
       void grow(std::size_t) {}
     } buffer_;
diff --git a/test/util-test.cc b/test/util-test.cc
index 88bad99..7f931f7 100644
--- a/test/util-test.cc
+++ b/test/util-test.cc
@@ -52,9 +52,9 @@
 #undef min
 #undef max
 
-using fmt::basic_format_arg;
+using fmt::basic_arg;
 using fmt::format_arg;
-using fmt::Buffer;
+using fmt::buffer;
 using fmt::StringRef;
 using fmt::internal::MemoryBuffer;
 using fmt::internal::value;
@@ -74,7 +74,7 @@
 }
 
 template <typename Context, typename T>
-basic_format_arg<Context> make_arg(const T &value) {
+basic_arg<Context> make_arg(const T &value) {
   return fmt::internal::make_arg<Context>(value);
 }
 }  // namespace
@@ -107,24 +107,24 @@
 
 #if FMT_USE_TYPE_TRAITS
 TEST(BufferTest, Noncopyable) {
-  EXPECT_FALSE(std::is_copy_constructible<Buffer<char> >::value);
-  EXPECT_FALSE(std::is_copy_assignable<Buffer<char> >::value);
+  EXPECT_FALSE(std::is_copy_constructible<buffer<char> >::value);
+  EXPECT_FALSE(std::is_copy_assignable<buffer<char> >::value);
 }
 
 TEST(BufferTest, Nonmoveable) {
-  EXPECT_FALSE(std::is_move_constructible<Buffer<char> >::value);
-  EXPECT_FALSE(std::is_move_assignable<Buffer<char> >::value);
+  EXPECT_FALSE(std::is_move_constructible<buffer<char> >::value);
+  EXPECT_FALSE(std::is_move_assignable<buffer<char> >::value);
 }
 #endif
 
 // A test buffer with a dummy grow method.
 template <typename T>
-struct TestBuffer : Buffer<T> {
+struct TestBuffer : buffer<T> {
   void grow(std::size_t size) { this->capacity_ = size; }
 };
 
 template <typename T>
-struct MockBuffer : Buffer<T> {
+struct MockBuffer : buffer<T> {
   MOCK_METHOD1(do_grow, void (std::size_t size));
 
   void grow(std::size_t size) {
@@ -133,8 +133,8 @@
   }
 
   MockBuffer() {}
-  MockBuffer(T *ptr) : Buffer<T>(ptr) {}
-  MockBuffer(T *ptr, std::size_t capacity) : Buffer<T>(ptr, capacity) {}
+  MockBuffer(T *ptr) : buffer<T>(ptr) {}
+  MockBuffer(T *ptr, std::size_t capacity) : buffer<T>(ptr, capacity) {}
 };
 
 TEST(BufferTest, Ctor) {
@@ -170,7 +170,7 @@
   typedef StrictMock<DyingBuffer> StictMockBuffer;
   StictMockBuffer *mock_buffer = new StictMockBuffer();
   EXPECT_CALL(*mock_buffer, die());
-  Buffer<int> *buffer = mock_buffer;
+  buffer<int> *buffer = mock_buffer;
   delete buffer;
 }
 
@@ -181,7 +181,7 @@
   EXPECT_EQ(11, buffer[0]);
   buffer[3] = 42;
   EXPECT_EQ(42, *(&buffer[0] + 3));
-  const Buffer<char> &const_buffer = buffer;
+  const fmt::buffer<char> &const_buffer = buffer;
   EXPECT_EQ(42, const_buffer[3]);
 }