diff --git a/config.h.in b/config.h.in
index f53bea41..11de8db0 100644
--- a/config.h.in
+++ b/config.h.in
@@ -308,9 +308,6 @@
 #undef inline
 #endif
 
-/* Define to rpl_malloc if the replacement function should be used. */
-#undef malloc
-
 /* Define to `int' if <sys/types.h> does not define. */
 #undef pid_t
 
diff --git a/configure b/configure
index f8db85d3..944322ff 100755
--- a/configure
+++ b/configure
@@ -616,11 +616,11 @@ ac_header_list=
 ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
+LIBOBJS
 PTHREAD_CFLAGS
 PTHREAD_LIBS
 PTHREAD_CC
 acx_pthread_config
-LIBOBJS
 BUILD_WINCOMPAT_FALSE
 BUILD_WINCOMPAT_TRUE
 BUILD_REDIRECTOR_FALSE
@@ -13977,73 +13977,6 @@ $as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h
 
 fi
 
-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
-
-
-$as_echo "#define malloc rpl_malloc" >>confdefs.h
-
-fi
-
-
 for ac_header in sys/select.h sys/socket.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
diff --git a/configure.ac b/configure.ac
index d87cdf63..d3a30969 100755
--- a/configure.ac
+++ b/configure.ac
@@ -114,7 +114,6 @@ AC_HEADER_TIME
 
 dnl Checks for library functions.
 AC_FUNC_FORK
-AC_FUNC_MALLOC
 AC_FUNC_SELECT_ARGTYPES
 AC_TYPE_SIGNAL
 AC_CHECK_FUNCS([memset select setresuid setreuid strerror])