diff --git a/test/ruby/test_objectspace.rb b/test/ruby/test_objectspace.rb
index beb66da7e216e9..5c79983b7e87d0 100644
--- a/test/ruby/test_objectspace.rb
+++ b/test/ruby/test_objectspace.rb
@@ -208,7 +208,6 @@ def test_finalizer_thread_raise
           main_th.raise(my_error)
         end
         GC.start
-        puts "After GC"
         sleep(10)
         assert(false)
       rescue my_error