diff --git a/config.h.in b/config.h.in
index 71bfb4f..bb4972c 100644
--- a/config.h.in
+++ b/config.h.in
@@ -24,8 +24,7 @@
 /* Define to 1 if you have `z' library (-lz) */
 #undef HAVE_LIBZ
 
-/* Define to 1 if your system has a GNU libc compatible `malloc' function, and
-   to 0 otherwise. */
+/* Define to 1 if you have the `malloc' function. */
 #undef HAVE_MALLOC
 
 /* Define to 1 if you have the <memory.h> header file. */
@@ -91,8 +90,5 @@
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
-/* Define to rpl_malloc if the replacement function should be used. */
-#undef malloc
-
 /* Define to `unsigned int' if <sys/types.h> does not define. */
 #undef size_t
diff --git a/configure b/configure
index eb4d751..f4d69ed 100755
--- a/configure
+++ b/configure
@@ -620,11 +620,11 @@ ac_includes_default="\
 #endif"
 
 ac_subst_vars='LTLIBOBJS
+LIBOBJS
 GETTEXT_PACKAGE
 MSGFMT_PATH
 CHECK_GETTEXT
 PURPLE_CPPFLAGS
-LIBOBJS
 PURPLE_LIBS
 PURPLE_CFLAGS
 PKG_CONFIG_LIBDIR
@@ -4444,74 +4444,7 @@ fi
 
 
 # Checks for library functions.
-for ac_header in stdlib.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdlib_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_STDLIB_H 1
-_ACEOF
-
-fi
-
-done
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU libc compatible malloc" >&5
-$as_echo_n "checking for GNU libc compatible malloc... " >&6; }
-if ${ac_cv_func_malloc_0_nonnull+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "$cross_compiling" = yes; then :
-  ac_cv_func_malloc_0_nonnull=no
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#if defined STDC_HEADERS || defined HAVE_STDLIB_H
-# include <stdlib.h>
-#else
-char *malloc ();
-#endif
-
-int
-main ()
-{
-return ! malloc (0);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  ac_cv_func_malloc_0_nonnull=yes
-else
-  ac_cv_func_malloc_0_nonnull=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_malloc_0_nonnull" >&5
-$as_echo "$ac_cv_func_malloc_0_nonnull" >&6; }
-if test $ac_cv_func_malloc_0_nonnull = yes; then :
-
-$as_echo "#define HAVE_MALLOC 1" >>confdefs.h
-
-else
-  $as_echo "#define HAVE_MALLOC 0" >>confdefs.h
-
-   case " $LIBOBJS " in
-  *" malloc.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS malloc.$ac_objext"
- ;;
-esac
-
-
-$as_echo "#define malloc rpl_malloc" >>confdefs.h
-
-fi
-
-
-for ac_func in memset strdup
+for ac_func in malloc memset strdup
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
diff --git a/configure.ac b/configure.ac
index 5f230fd..b74bf97 100644
--- a/configure.ac
+++ b/configure.ac
@@ -75,8 +75,7 @@ AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stdlib.h string.h sys
 AC_TYPE_SIZE_T
 
 # Checks for library functions.
-AC_FUNC_MALLOC
-AC_CHECK_FUNCS([memset strdup])
+AC_CHECK_FUNCS([malloc memset strdup])
 
 AC_SUBST(PURPLE_CFLAGS)
 AC_SUBST(PURPLE_CPPFLAGS)