diff --git a/cmake/Libraries.cmake b/cmake/Libraries.cmake
index 16a4c9eb3..f63edc238 100644
--- a/cmake/Libraries.cmake
+++ b/cmake/Libraries.cmake
@@ -123,7 +123,6 @@ macro(configure_unix_libs)
   check_include_file_cxx(ostream HAVE_OSTREAM)
   check_include_file_cxx(sstream HAVE_SSTREAM)
 
-  check_include_files(inttypes.h HAVE_INTTYPES_H)
   check_include_files(locale.h HAVE_LOCALE_H)
   check_include_files(strings.h HAVE_STRINGS_H)
   check_include_files(string.h HAVE_STRING_H)
diff --git a/src/lib/config.h.in b/src/lib/config.h.in
index d4db36016..ecf4a96ac 100644
--- a/src/lib/config.h.in
+++ b/src/lib/config.h.in
@@ -29,9 +29,6 @@
 /* Define if you have the `inet_aton` function. */
 #cmakedefine HAVE_INET_ATON @HAVE_INET_ATON@
 
-/* Define to 1 if you have the <inttypes.h> header file. */
-#cmakedefine HAVE_INTTYPES_H @HAVE_INTTYPES_H@
-
 /* Define to 1 if you have the <istream> header file. */
 #cmakedefine HAVE_ISTREAM @HAVE_ISTREAM@