diff --git a/app/models/journal_paper.rb b/app/models/journal_paper.rb
index 65c2215..e16ec9f 100644
--- a/app/models/journal_paper.rb
+++ b/app/models/journal_paper.rb
@@ -109,10 +109,4 @@ class JournalPaper
     end
   end
 
-  def clean_checkboxs
-    self.tagged_ids.delete('')
-    self.journal_paper_author_type_ids.delete('')
-    self.journal_level_ids.delete('')
-  end
-
 end