diff --git a/config/schedule.rb b/config/schedule.rb
index 85a3bd556..ff5f58ce7 100644
--- a/config/schedule.rb
+++ b/config/schedule.rb
@@ -14,3 +14,7 @@ end
 every 1.day, :at => '3:50 am' do
   rake "buildlist:clear:outdated", :output => 'log/build_list_clear.log'
 end
+
+every 1.day, :at => '3:30 am' do
+  rake "pull_requests:clear", :output => 'log/pull_requests_clear.log'
+end
diff --git a/lib/tasks/pull_requests.rake b/lib/tasks/pull_requests.rake
new file mode 100644
index 000000000..e2fcce9f9
--- /dev/null
+++ b/lib/tasks/pull_requests.rake
@@ -0,0 +1,16 @@
+namespace :pull_requests do
+
+  desc 'Remove temporary git repos for pull requests'
+  task :clear => :environment do
+    Dir.chdir(File.join(APP_CONFIG['git_path'], 'pull_requests', 'tmp')) do
+      say "Removing repos older one day:"
+      say `find -mindepth 2 -maxdepth 2 -type d -mtime +0`
+      `find -mindepth 2 -maxdepth 2 -type d -mtime +0 | xargs rm -rf`
+      say '-----'
+      say "Removing empty dir:"
+      say `find -mindepth 2 -maxdepth 2 -type d -empty`
+      `find -mindepth 2 -maxdepth 2 -type d -empty -delete`
+      say 'done!'
+    end
+  end
+end