diff --git a/build/cmake/setup.h.in b/build/cmake/setup.h.in
index 649c41e1fe..adcc0aad96 100644
--- a/build/cmake/setup.h.in
+++ b/build/cmake/setup.h.in
@@ -743,11 +743,6 @@
  */
 #cmakedefine VA_LIST_IS_ARRAY 1
 
-/*
- * Define if the compiler supports variadic macros
- */
-#cmakedefine HAVE_VARIADIC_MACROS 1
-
 /*
  * Define if you don't want variadic macros to be used even if they are
  * supported by the compiler.
diff --git a/configure b/configure
index dce221851c..2bc0107cfb 100755
--- a/configure
+++ b/configure
@@ -19954,63 +19954,7 @@ $as_echo "$wx_cv_type_va_list_lvalue" >&6; }
     fi
 fi
 
-if test "$wxUSE_VARARG_MACROS" = "yes"; then
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports variadic macros" >&5
-$as_echo_n "checking whether the compiler supports variadic macros... " >&6; }
-if ${wx_cv_have_variadic_macros+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-                        ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-
-                    #include <stdio.h>
-                    #define test(fmt, ...) printf(fmt, __VA_ARGS__)
-
-int
-main ()
-{
-
-                    test("%s %d %p", "test", 1, 0);
-
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
-  wx_cv_have_variadic_macros=yes
-else
-  wx_cv_have_variadic_macros=no
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-        ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $wx_cv_have_variadic_macros" >&5
-$as_echo "$wx_cv_have_variadic_macros" >&6; }
-
-if test $wx_cv_have_variadic_macros = "yes"; then
-    $as_echo "#define HAVE_VARIADIC_MACROS 1" >>confdefs.h
-
-fi
-
-else
+if test "$wxUSE_VARARG_MACROS" != "yes"; then
     $as_echo "#define wxNO_VARIADIC_MACROS 1" >>confdefs.h
 
 fi
diff --git a/configure.in b/configure.in
index e859f6f8ef..f54c521523 100644
--- a/configure.in
+++ b/configure.in
@@ -1722,41 +1722,11 @@ else
     fi
 fi
 
-dnl don't check for vararg macros if they're explicitly disabled: this is
+dnl TODO-C++11: remove this, as it won't make sense when C++11 is required
+dnl don't use vararg macros if they're explicitly disabled: this is
 dnl useful if the user code using the library wants to limit itself to standard
 dnl C++ only (e.g. is compiled with g++ -std=c++98)
-if test "$wxUSE_VARARG_MACROS" = "yes"; then
-
-dnl Check if variadic macros (C99 feature) are supported:
-AC_CACHE_CHECK(
-    [whether the compiler supports variadic macros],
-    [wx_cv_have_variadic_macros],
-    [
-        dnl C compiler might support variadic macros when C++ one doesn't
-        dnl (happens with gcc/g++ 2.95.4), so must use C++ one explicitly
-        AC_LANG_PUSH(C++)
-        AC_COMPILE_IFELSE([
-            AC_LANG_PROGRAM(
-                [
-                    #include <stdio.h>
-                    #define test(fmt, ...) printf(fmt, __VA_ARGS__)
-                ],
-                [
-                    test("%s %d %p", "test", 1, 0);
-                ]
-            )],
-            [wx_cv_have_variadic_macros=yes],
-            [wx_cv_have_variadic_macros=no]
-            )
-        AC_LANG_POP()
-    ]
-)
-
-if test $wx_cv_have_variadic_macros = "yes"; then
-    AC_DEFINE(HAVE_VARIADIC_MACROS)
-fi
-
-else
+if test "$wxUSE_VARARG_MACROS" != "yes"; then
     AC_DEFINE(wxNO_VARIADIC_MACROS)
 fi dnl wxUSE_VARARG_MACROS == yes
 
diff --git a/include/wx/osx/config_xcode.h b/include/wx/osx/config_xcode.h
index 2501ce773e..c12b2d343b 100644
--- a/include/wx/osx/config_xcode.h
+++ b/include/wx/osx/config_xcode.h
@@ -22,7 +22,6 @@
 #define wx_USE_NANOX 0
 
 #define HAVE_VA_COPY 1
-#define HAVE_VARIADIC_MACROS 1
 #define HAVE_STD_WSTRING 1
 #if __GNUC__ > 4 || (  __GNUC__ == 4 && __GNUC_MINOR__ >= 2 )
   #if !defined(__has_include)
diff --git a/setup.h.in b/setup.h.in
index 89aac7ba68..6475c6b969 100644
--- a/setup.h.in
+++ b/setup.h.in
@@ -743,11 +743,6 @@
  */
 #undef VA_LIST_IS_ARRAY
 
-/*
- * Define if the compiler supports variadic macros
- */
-#undef HAVE_VARIADIC_MACROS
-
 /*
  * Define if you don't want variadic macros to be used even if they are
  * supported by the compiler.
diff --git a/setup.h_vms b/setup.h_vms
index 6ecbeb5a02..8fa7e8c142 100644
--- a/setup.h_vms
+++ b/setup.h_vms
@@ -801,11 +801,6 @@ typedef pid_t GPid;
  */
 #undef VA_LIST_IS_ARRAY
 
-/*
- * Define if the compiler supports variadic macros
- */
-#undef HAVE_VARIADIC_MACROS
-
 #if defined(__NAMESPACE_STD) && !defined(__NAMESPACE_STD_ONLY)
 /*
  * Define if your compiler has std::wstring