lib/write_xlsx/workbook.rb in write_xlsx-1.11.0 vs lib/write_xlsx/workbook.rb in write_xlsx-1.11.1

@@ -986,10 +986,9 @@
     #
     def prepare_num_formats # :nodoc:
       num_formats        = []
       unique_num_formats = {}
       index              = 164
-      num_format_count   = 0
 
       (@xf_formats + @dxf_formats).each do |format|
         num_format = format.num_format
 
         # Check if num_format is an index to a built-in number format.