--- a/js/src/old-configure.in
+++ b/js/src/old-configure.in
@@ -1322,27 +1322,16 @@ AC_LANG_C
 dnl ========================================================
 dnl =  Internationalization checks
 dnl ========================================================
 dnl
 dnl Internationalization and Locale support is different
 dnl on various UNIX platforms.  Checks for specific i18n
 dnl features go here.
 
-dnl check for LC_MESSAGES
-AC_CACHE_CHECK(for LC_MESSAGES,
-		ac_cv_i18n_lc_messages,
-		[AC_TRY_COMPILE([#include <locale.h>],
-				[int category = LC_MESSAGES;],
-				ac_cv_i18n_lc_messages=yes,
-				ac_cv_i18n_lc_messages=no)])
-if test "$ac_cv_i18n_lc_messages" = yes; then
-   AC_DEFINE(HAVE_I18N_LC_MESSAGES)
-fi
-
 AC_HAVE_FUNCS(localeconv)
 fi # ! SKIP_COMPILER_CHECKS
 
 TARGET_XPCOM_ABI=
 if test -n "${CPU_ARCH}" -a -n "${TARGET_COMPILER_ABI}"; then
     TARGET_XPCOM_ABI="${CPU_ARCH}-${TARGET_COMPILER_ABI}"
 fi
 

--- a/old-configure.in
+++ b/old-configure.in
@@ -1723,27 +1723,16 @@ AC_LANG_C
 dnl ========================================================
 dnl =  Internationalization checks
 dnl ========================================================
 dnl
 dnl Internationalization and Locale support is different
 dnl on various UNIX platforms.  Checks for specific i18n
 dnl features go here.
 
-dnl check for LC_MESSAGES
-AC_CACHE_CHECK(for LC_MESSAGES,
-               ac_cv_i18n_lc_messages,
-               [AC_TRY_COMPILE([#include <locale.h>],
-                               [int category = LC_MESSAGES;],
-                               ac_cv_i18n_lc_messages=yes,
-                               ac_cv_i18n_lc_messages=no)])
-if test "$ac_cv_i18n_lc_messages" = yes; then
-   AC_DEFINE(HAVE_I18N_LC_MESSAGES)
-fi
-
 AC_HAVE_FUNCS(localeconv)
 
 fi # ! SKIP_COMPILER_CHECKS
 
 if test -n "${COMPILE_ENVIRONMENT}"; then
   MOZ_CHECK_ALLOCATOR
 fi