diff --git a/CMakeLists.txt b/CMakeLists.txt
index 639dc7fc..e0626131 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,8 +95,8 @@ function(add_headers VAR)
 endfunction()
 
 # Define the fmt library, its includes and the needed defines.
-add_headers(FMT_HEADERS core.h format.h format-inl.h locale.h ostream.h printf.h
-                        time.h ranges.h)
+add_headers(FMT_HEADERS core.h format.h format-inl.h ostream.h printf.h time.h
+                        ranges.h)
 set(FMT_SOURCES src/format.cc)
 if (HAVE_OPEN)
   add_headers(FMT_HEADERS posix.h)
diff --git a/include/fmt/format-inl.h b/include/fmt/format-inl.h
index 19d5dd8b..223ed516 100644
--- a/include/fmt/format-inl.h
+++ b/include/fmt/format-inl.h
@@ -9,7 +9,6 @@
 #define FMT_FORMAT_INL_H_
 
 #include "format.h"
-#include "locale.h"
 
 #include <string.h>
 
@@ -19,6 +18,7 @@
 #include <cmath>
 #include <cstdarg>
 #include <cstddef>  // for std::ptrdiff_t
+#include <locale>
 
 #if defined(_WIN32) && defined(__MINGW32__)
 # include <cstring>
@@ -205,6 +205,15 @@ void report_error(FormatFunc func, int error_code,
 }
 }  // namespace
 
+class locale {
+ private:
+  std::locale locale_;
+
+ public:
+  explicit locale(std::locale loc = std::locale()) : locale_(loc) {}
+  std::locale get() { return locale_; }
+};
+
 template <typename Char>
 FMT_FUNC Char internal::thousands_sep(locale_provider *lp) {
   std::locale loc = lp ? lp->locale().get() : std::locale();
diff --git a/include/fmt/locale.h b/include/fmt/locale.h
deleted file mode 100644
index a6a4b748..00000000
--- a/include/fmt/locale.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// Formatting library for C++ - locale support
-//
-// Copyright (c) 2012 - 2016, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#ifndef FMT_LOCALE_H_
-#define FMT_LOCALE_H_
-
-#include "format.h"
-#include <locale>
-
-FMT_BEGIN_NAMESPACE
-class locale {
- private:
-  std::locale locale_;
-
- public:
-  explicit locale(std::locale loc = std::locale()) : locale_(loc) {}
-  std::locale get() { return locale_; }
-};
-FMT_END_NAMESPACE
-
-#endif  // FMT_LOCALE_
diff --git a/test/util-test.cc b/test/util-test.cc
index 07509118..7c7b6079 100644
--- a/test/util-test.cc
+++ b/test/util-test.cc
@@ -17,7 +17,6 @@
 # include <type_traits>
 #endif
 
-#include "fmt/locale.h"
 #include "gmock/gmock.h"
 #include "gtest-extra.h"
 #include "mock-allocator.h"