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-rw-r--r--test/erb/test_erb_m17n.rb2
-rw-r--r--test/psych/test_yamldbm.rb2
-rw-r--r--test/rubygems/test_gem_specification.rb1
3 files changed, 1 insertions, 4 deletions
diff --git a/test/erb/test_erb_m17n.rb b/test/erb/test_erb_m17n.rb
index ff49228c26..f60dd103f6 100644
--- a/test/erb/test_erb_m17n.rb
+++ b/test/erb/test_erb_m17n.rb
@@ -1,4 +1,4 @@
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
require 'test/unit'
require 'erb'
diff --git a/test/psych/test_yamldbm.rb b/test/psych/test_yamldbm.rb
index 23c7c9e564..785365841e 100644
--- a/test/psych/test_yamldbm.rb
+++ b/test/psych/test_yamldbm.rb
@@ -1,5 +1,3 @@
-# -*- coding: UTF-8 -*-
-
require_relative 'helper'
require 'tmpdir'
diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index 1afb5ba247..e1c6a1b549 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -1,4 +1,3 @@
-# -*- coding: UTF-8 -*-
require 'rubygems/test_case'
require 'pathname'
require 'stringio'