diff --git a/configure b/configure
index e5e0184..85da2bc 100755
--- a/configure
+++ b/configure
@@ -7567,40 +7567,6 @@ _ACEOF
 fi
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for __builtin_expect" >&5
-$as_echo_n "checking for __builtin_expect... " >&6; }
-if test "${libc_cv_gcc_builtin_expect+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.c <<EOF
-#line $LINENO "configure"
-int foo (int a)
-{
-  a = __builtin_expect (a, 10);
-  return a == 10 ? 0 : 1;
-}
-EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -nostdlib -nostartfiles
-			    -o conftest conftest.c -lgcc >&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  libc_cv_gcc_builtin_expect=yes
-else
-  libc_cv_gcc_builtin_expect=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_gcc_builtin_expect" >&5
-$as_echo "$libc_cv_gcc_builtin_expect" >&6; }
-if test "$libc_cv_gcc_builtin_expect" = no; then
-  { { $as_echo "$as_me:$LINENO: error: support for __builtin_expect needed" >&5
-$as_echo "$as_me: error: support for __builtin_expect needed" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
 { $as_echo "$as_me:$LINENO: checking for __builtin_memset" >&5
 $as_echo_n "checking for __builtin_memset... " >&6; }
 if test "${libc_cv_gcc_builtin_memset+set}" = set; then
diff --git a/configure.in b/configure.in
index 4655c8a..596443d 100644
--- a/configure.in
+++ b/configure.in
@@ -2134,28 +2134,6 @@ if test "$libc_cv_c_asmcr0_bug" != 'no'; then
 fi
 fi
 
-dnl Check whether compiler understands __builtin_expect.
-AC_CACHE_CHECK(for __builtin_expect, libc_cv_gcc_builtin_expect,
-[cat > conftest.c <<EOF
-#line $LINENO "configure"
-int foo (int a)
-{
-  a = __builtin_expect (a, 10);
-  return a == 10 ? 0 : 1;
-}
-EOF
-dnl No \ in command here because it ends up inside ''.
-if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -nostdlib -nostartfiles
-			    -o conftest conftest.c -lgcc >&AS_MESSAGE_LOG_FD]); then
-  libc_cv_gcc_builtin_expect=yes
-else
-  libc_cv_gcc_builtin_expect=no
-fi
-rm -f conftest*])
-if test "$libc_cv_gcc_builtin_expect" = no; then
-  AC_MSG_ERROR([support for __builtin_expect needed])
-fi
-
 AC_CACHE_CHECK(for __builtin_memset, libc_cv_gcc_builtin_memset, [dnl
 cat > conftest.c <<\EOF
 void zero (void *x)