diff --git a/lib/tasks/statistic_subject_info.rake b/lib/tasks/statistic_subject_info.rake
index 0385e3b5a..68d75293d 100644
--- a/lib/tasks/statistic_subject_info.rake
+++ b/lib/tasks/statistic_subject_info.rake
@@ -134,7 +134,6 @@ namespace :subjects do
         buffer_size += 1
         if buffer_size == 1000
           sql = "REPLACE INTO subject_user_infos(#{column_value}) VALUES #{str}"
-          puts sql
           ActiveRecord::Base.connection.execute sql
           str = ""
           buffer_size = 0