1 files changed, 3 insertions, 1 deletions
diff --git a/test/drb/ut_drb.rb b/test/drb/ut_drb.rb
index f5720cfca2..da4ca10791 100644
--- a/test/drb/ut_drb.rb
+++ b/test/drb/ut_drb.rb
@@ -32,6 +32,8 @@ class DRbEx
   class UError < RuntimeError; end
 
   def initialize
+    @xary2_hash = nil
+    @hash = nil
     @hello = 'hello'
   end
   attr_reader :hello
@@ -155,6 +157,6 @@ if __FILE__ == $0
   DRb::DRbServer.default_argc_limit(8)
   DRb::DRbServer.default_load_limit(4096)
   DRb.start_service('druby://localhost:0', DRbEx.new)
-  es = DRb::ExtServ.new(ARGV.shift, ARGV.shift)
+  DRb::ExtServ.new(ARGV.shift, ARGV.shift)
   DRb.thread.join
 end