diff --git a/lib/redmine/export/pdf.rb b/lib/redmine/export/pdf.rb
index baf553ca1..2316f91f2 100644
--- a/lib/redmine/export/pdf.rb
+++ b/lib/redmine/export/pdf.rb
@@ -144,8 +144,6 @@ module Redmine
 
         def fix_text_encoding(txt)
           @ic ||= Iconv.new(l(:general_pdf_encoding), 'UTF-8')
-          # these quotation marks are not correctly rendered in the pdf
-          txt = txt.gsub(/[“�]/, '"') if txt
           txt = begin
             # 0x5c char handling
             txtar = txt.split('\\')