diff --git a/cvs.sh b/cvs.sh
index 930f852..ba97c99 100644
--- a/cvs.sh
+++ b/cvs.sh
@@ -11,13 +11,6 @@ unset MAKEFLAGS
 call_and_fix_autoconf()
 {
   $AUTOCONF || exit 1
-  if test -r configure.in.in ; then
-    perl -pi -e "print \"if test \\\"x\\\$with_fast_perl\\\" = \\\"xyes\\\"; then\
-    \\n  perl -i.bak \\\$ac_aux_dir/conf.change.pl \\\$CONFIG_STATUS\
-    \\\\\\n    || mv \\\$CONFIG_STATUS.bak \\\$CONFIG_STATUS\
-    \\n  rm -f \\\$CONFIG_STATUS.bak\\nfi\
-    \\n\" if /^\\s*chmod\\s+.*\\+x\\s+.*CONFIG_STATUS/; s,^#line.*LINENO.*\$,/* \$& */, ;" configure
-  fi
 }
 
 strip_makefile()