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-rw-r--r--spec/ruby/core/conditionvariable/signal_spec.rb1
1 files changed, 0 insertions, 1 deletions
diff --git a/spec/ruby/core/conditionvariable/signal_spec.rb b/spec/ruby/core/conditionvariable/signal_spec.rb
index 86383073f1..43a9cc611b 100644
--- a/spec/ruby/core/conditionvariable/signal_spec.rb
+++ b/spec/ruby/core/conditionvariable/signal_spec.rb
@@ -1,5 +1,4 @@
require_relative '../../spec_helper'
-require 'thread'
describe "ConditionVariable#signal" do
it "releases the first thread waiting in line for this resource" do