1 files changed, 2 insertions, 5 deletions
diff --git a/lib/sisu/develop/ao_idx.rb b/lib/sisu/develop/ao_idx.rb
index 80dca601..cbe3f00c 100644
--- a/lib/sisu/develop/ao_idx.rb
+++ b/lib/sisu/develop/ao_idx.rb
@@ -413,12 +413,9 @@ module SiSU_AO_BookIndex
       tuned_file
     end
     def clean_index(data)                                  #check on use of dob
-      tuned_file=[]
-      data.each do |para|
-        para=para.gsub(/\n*#{@rgx_idx}/m,'')
-        tuned_file << para
+      data.each.map do |para|
+        para.gsub(/\n*#{@rgx_idx}/m,'')
       end
-      tuned_file
     end
   end
 end