diff --git a/sigc++config.h.cmake b/sigc++config.h.cmake
index 2c7e943..8483ad3 100644
--- a/sigc++config.h.cmake
+++ b/sigc++config.h.cmake
@@ -33,7 +33,7 @@
 
 #ifdef SIGC_MSC
 /*
- * MS VC7 Warning 4251 says that the classes to any member objects in an
+ * Visual C++ Warning C4251 says that the classes to any member objects in an
  * exported class must also be exported.  Some of the libsigc++
  * template classes contain std::list members.  MS KB article 168958 says
  * that it's not possible to export a std::list instantiation due to some
@@ -46,11 +46,6 @@
  */
 # pragma warning(disable:4251)
 
-#if (_MSC_VER < 1900) && !defined (noexcept)
-#define _ALLOW_KEYWORD_MACROS 1
-#define noexcept _NOEXCEPT
-#endif
-
 #else /* SIGC_MSC */
 
 #endif /* !SIGC_MSC */
diff --git a/sigc++config.h.in b/sigc++config.h.in
index 573bc36..2031e51 100644
--- a/sigc++config.h.in
+++ b/sigc++config.h.in
@@ -33,7 +33,7 @@
 
 #ifdef SIGC_MSC
 /*
- * MS VC7 Warning 4251 says that the classes to any member objects in an
+ * Visual C++ Warning C4251 says that the classes to any member objects in an
  * exported class must also be exported.  Some of the libsigc++
  * template classes contain std::list members.  MS KB article 168958 says
  * that it's not possible to export a std::list instantiation due to some
@@ -46,11 +46,6 @@
  */
 #pragma warning(disable : 4251)
 
-#if (_MSC_VER < 1900) && !defined(noexcept)
-#define _ALLOW_KEYWORD_MACROS 1
-#define noexcept _NOEXCEPT
-#endif
-
 #else /* SIGC_MSC */
 
 #endif /* !SIGC_MSC */
diff --git a/sigc++config.h.meson b/sigc++config.h.meson
index 3027b26..7fe4e76 100644
--- a/sigc++config.h.meson
+++ b/sigc++config.h.meson
@@ -36,7 +36,7 @@
 
 #ifdef SIGC_MSC
 /*
- * MS VC7 Warning 4251 says that the classes to any member objects in an
+ * Visual C++ Warning C4251 says that the classes to any member objects in an
  * exported class must also be exported.  Some of the libsigc++
  * template classes contain std::list members.  MS KB article 168958 says
  * that it's not possible to export a std::list instantiation due to some
@@ -49,11 +49,6 @@
  */
 #pragma warning(disable : 4251)
 
-#if (_MSC_VER < 1900) && !defined(noexcept)
-#define _ALLOW_KEYWORD_MACROS 1
-#define noexcept _NOEXCEPT
-#endif
-
 #else /* SIGC_MSC */
 
 #endif /* !SIGC_MSC */