1 files changed, 1 insertions, 5 deletions
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index be55e36ede..85d5b2cdfe 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -667,11 +667,7 @@ class TestRegexp < Test::Unit::TestCase
     key = "\u{3042}"
     [Encoding::UTF_8, Encoding::Shift_JIS, Encoding::EUC_JP].each do |enc|
       idx = key.encode(enc)
-      test.call {|m|
-        EnvUtil.with_default_external(enc) do
-          assert_raise_with_message(IndexError, /#{idx}/, bug10877) {m[idx]}
-        end
-      }
+      test.call {|m| assert_raise_with_message(IndexError, /#{idx}/, bug10877) {m[idx]} }
     end
     test.call {|m| assert_equal(/a/, m.regexp) }
     test.call {|m| assert_equal("abc", m.string) }