diff --git a/Rakefile b/Rakefile
index 8fc961d..0eff9d7 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,10 +1,7 @@
 require 'tmpdir'
 
 task :default do
-  STDOUT.sync = true
-  $stdout.sync = true
   root_path = File.expand_path "../.", __FILE__
-
   Dir.mktmpdir("gvm-test") do |tmpdir|
     puts `binscripts/gvm-installer binary_default #{tmpdir}`
     pid = fork do