1 diff --git a/tool/fake.rb b/tool/fake.rb
2 index 91dfb041c4..9c235f1e3a 100644
5 @@ -48,7 +48,6 @@ class File
6 $builtruby ||= File.join(builddir, config['RUBY_INSTALL_NAME'] + config['EXEEXT'])
7 RbConfig.fire_update!("builddir", builddir)
8 RbConfig.fire_update!("buildlibdir", builddir)
9 - RbConfig.fire_update!("libdir", builddir)
10 RbConfig.fire_update!("prefix", $topdir)
11 RbConfig.fire_update!("top_srcdir", $top_srcdir ||= top_srcdir)
12 RbConfig.fire_update!("extout", $extout)