diff --git a/lib/redmine/export/pdf.rb b/lib/redmine/export/pdf.rb
index d6f247ec..ccfd3421 100644
--- a/lib/redmine/export/pdf.rb
+++ b/lib/redmine/export/pdf.rb
@@ -179,8 +179,7 @@ module Redmine
 
       # Returns a PDF string of a list of issues
       def issues_to_pdf(issues, project, query)
-        if Redmine::Platform.mswin? ||
-           ( current_language.to_s.downcase == 'ko'    ||
+        if ( current_language.to_s.downcase == 'ko'    ||
              current_language.to_s.downcase == 'ja'    ||
              current_language.to_s.downcase == 'zh'    ||
              current_language.to_s.downcase == 'zh-tw' ||
@@ -259,8 +258,7 @@ module Redmine
 
       # Returns a PDF string of a single issue
       def issue_to_pdf(issue)
-        if Redmine::Platform.mswin? ||
-           ( current_language.to_s.downcase == 'ko'    ||
+        if ( current_language.to_s.downcase == 'ko'    ||
              current_language.to_s.downcase == 'ja'    ||
              current_language.to_s.downcase == 'zh'    ||
              current_language.to_s.downcase == 'zh-tw' ||
diff --git a/lib/redmine/helpers/gantt.rb b/lib/redmine/helpers/gantt.rb
index bc0fafe4..6b891999 100644
--- a/lib/redmine/helpers/gantt.rb
+++ b/lib/redmine/helpers/gantt.rb
@@ -511,8 +511,7 @@ module Redmine
       end if Object.const_defined?(:Magick)
 
       def to_pdf
-        if Redmine::Platform.mswin? ||
-           ( current_language.to_s.downcase == 'ko'    ||
+        if ( current_language.to_s.downcase == 'ko'    ||
              current_language.to_s.downcase == 'ja'    ||
              current_language.to_s.downcase == 'zh'    ||
              current_language.to_s.downcase == 'zh-tw' ||