5 files changed, 4 insertions, 5 deletions
diff --git a/test/helper.rb b/test/logger/helper.rb
index d29332104b..d29332104b 100644
--- a/test/helper.rb
+++ b/test/logger/helper.rb
diff --git a/test/logger/test_logdevice.rb b/test/logger/test_logdevice.rb
index 40f646d855..2c842e9343 100644
--- a/test/logger/test_logdevice.rb
+++ b/test/logger/test_logdevice.rb
@@ -1,6 +1,6 @@
 # coding: US-ASCII
 # frozen_string_literal: false
-require_relative '../helper'
+require_relative 'helper'
 require 'tempfile'
 require 'tmpdir'
 
diff --git a/test/logger/test_logger.rb b/test/logger/test_logger.rb
index 029203877a..da68e58175 100644
--- a/test/logger/test_logger.rb
+++ b/test/logger/test_logger.rb
@@ -1,6 +1,6 @@
 # coding: US-ASCII
 # frozen_string_literal: false
-require_relative '../helper'
+require_relative 'helper'
 require 'tempfile'
 
 class TestLogger < Test::Unit::TestCase
diff --git a/test/logger/test_logperiod.rb b/test/logger/test_logperiod.rb
index e3be0a6fc6..5c5318ac95 100644
--- a/test/logger/test_logperiod.rb
+++ b/test/logger/test_logperiod.rb
@@ -1,7 +1,6 @@
 # coding: US-ASCII
 # frozen_string_literal: false
-require 'test/unit'
-require 'logger'
+require_relative 'helper'
 require 'time'
 
 class TestLogPeriod < Test::Unit::TestCase
diff --git a/test/logger/test_severity.rb b/test/logger/test_severity.rb
index 4da23cdd0f..1197e8abb9 100644
--- a/test/logger/test_severity.rb
+++ b/test/logger/test_severity.rb
@@ -1,6 +1,6 @@
 # coding: US-ASCII
 # frozen_string_literal: false
-require_relative '../helper'
+require_relative 'helper'
 
 class TestLoggerSeverity < Test::Unit::TestCase
   def test_enum