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-rw-r--r--sample/drb/ring_echo.rb1
1 files changed, 0 insertions, 1 deletions
diff --git a/sample/drb/ring_echo.rb b/sample/drb/ring_echo.rb
index 3b743ca..c54628b 100644
--- a/sample/drb/ring_echo.rb
+++ b/sample/drb/ring_echo.rb
@@ -1,7 +1,6 @@
require 'drb/drb'
require 'drb/eq'
require 'rinda/ring'
-require 'thread'
class RingEcho
include DRbUndumped