diff --git a/CMakeLists.txt b/CMakeLists.txt
index 12e14589..613f0ab3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -138,7 +138,6 @@ if (NOT MSVC)
     check_function_exists(ftime HAVE_FTIME)
     check_function_exists(getentropy HAVE_GETENTROPY)
     check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
-    check_include_files(inttypes.h HAVE_INTTYPES_H)
     check_function_exists(isascii HAVE_ISASCII)
     check_library_exists(history append_history "" HAVE_LIBHISTORY)
     check_library_exists(readline readline "" HAVE_LIBREADLINE)
diff --git a/config.h.cmake.in b/config.h.cmake.in
index 2c1f9117..811e5887 100644
--- a/config.h.cmake.in
+++ b/config.h.cmake.in
@@ -28,9 +28,6 @@
 /* Define to 1 if you have the `gettimeofday' function. */
 #cmakedefine HAVE_GETTIMEOFDAY 1
 
-/* Define to 1 if you have the <inttypes.h> header file. */
-#cmakedefine HAVE_INTTYPES_H 1
-
 /* Define to 1 if you have the `isascii' function. */
 #cmakedefine HAVE_ISASCII 1
 
diff --git a/configure.ac b/configure.ac
index 325242d0..e85db160 100644
--- a/configure.ac
+++ b/configure.ac
@@ -305,7 +305,7 @@ XML_PC_REQUIRES=
 dnl
 dnl Checks for header files.
 dnl
-AC_CHECK_HEADERS([stdint.h inttypes.h])
+AC_CHECK_HEADERS([stdint.h])
 AC_CHECK_HEADERS([fcntl.h unistd.h sys/stat.h])
 AC_CHECK_HEADERS([sys/mman.h])
 AC_CHECK_HEADERS([sys/time.h sys/timeb.h])
diff --git a/meson.build b/meson.build
index 098f522e..0f2bfbe6 100644
--- a/meson.build
+++ b/meson.build
@@ -304,7 +304,6 @@ config_h.set_quoted('LOCALEDIR', dir_locale)
 # header files
 xml_check_headers = [
     'stdint.h',
-    'inttypes.h',
     'fcntl.h',
     'unistd.h',
     'sys/stat.h',