--- gcc/configure.ac    2007-11-08 22:09:59.000000000 +0530
+++ ../configure.ac     2007-11-26 16:31:16.000000000 +0530
@@ -865,14 +865,6 @@

 MISSING="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing"

-# How about lex?
-dnl Don't use AC_PROG_LEX; we insist on flex.
-dnl LEXLIB is not useful in gcc.
-AC_CHECK_PROGS([FLEX], flex, [$MISSING flex])
-
-# Bison?
-AC_CHECK_PROGS([BISON], bison, [$MISSING bison])
-
 # Binutils are not build modules, unlike bison/flex/makeinfo.  So we
 # check for build == host before using them.