1 files changed, 0 insertions, 25 deletions
diff --git a/lib/rss/prelude.rb b/lib/rss/prelude.rb
deleted file mode 100644
index 8d6f70657e..0000000000
--- a/lib/rss/prelude.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-
-# Mutex
-
-class Mutex
-  def synchronize
-    self.lock
-    begin
-      yield
-    ensure
-      self.unlock
-    end
-  end
-end
-
-# Thread
-
-class Thread
-  MUTEX_FOR_THREAD_EXCLUSIVE = Mutex.new
-  def self.exclusive
-    MUTEX_FOR_THREAD_EXCLUSIVE.synchronize{
-      yield
-    }
-  end
-end
-