diff --git a/lib/user_group_separator.rb b/lib/user_group_separator.rb
index b46757ad..320cce96 100644
--- a/lib/user_group_separator.rb
+++ b/lib/user_group_separator.rb
@@ -16,13 +16,10 @@ class UserGroupSeparator
   def self.getProxyExerciseGroup(user)
     lastDigitCreatedAt = user.created_at.to_i % 10
     if lastDigitCreatedAt < 2 # 0,1
-      puts "dummy"
       :dummy_assigment
     elsif lastDigitCreatedAt < 4 # 2,3
-      puts "random_assignment"
       :random_assigment
     else # 4,5,6,7,8,9
-      puts "recommended_assignment"
       :recommended_assignment
     end
   end