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-rw-r--r--test/io/wait/test_io_wait_uncommon.rb1
1 files changed, 0 insertions, 1 deletions
diff --git a/test/io/wait/test_io_wait_uncommon.rb b/test/io/wait/test_io_wait_uncommon.rb
index 7b92e4c758..0f922f4e24 100644
--- a/test/io/wait/test_io_wait_uncommon.rb
+++ b/test/io/wait/test_io_wait_uncommon.rb
@@ -1,6 +1,5 @@
# frozen_string_literal: true
require 'test/unit'
-require 'io/wait'
# test uncommon device types to check portability problems
# We may optimize IO#wait_*able for non-Linux kernels in the future