diff --git a/lib/test/unit/ui/gtk2/testrunner.rb b/lib/test/unit/ui/gtk2/testrunner.rb
index c68d7a2059..2978d10087 100644
--- a/lib/test/unit/ui/gtk2/testrunner.rb
+++ b/lib/test/unit/ui/gtk2/testrunner.rb
@@ -406,7 +406,6 @@ module Test
             rescue @restart_signal
               retry
             rescue
-              puts $!, $@
             end
           end # def start_ui
           private :start_ui