remove discontinued to_xml method

1 files changed, 0 insertions, 10 deletions

diff --git a/lib/axlsx/rels/relationships.rb b/lib/axlsx/rels/relationships.rb
index e0d6ea13..dbc5b209 100644
--- a/lib/axlsx/rels/relationships.rb
+++ b/lib/axlsx/rels/relationships.rb
@@ -17,16 +17,6 @@ require 'axlsx/rels/relationship.rb'
       each_with_index { |rel, index| rel.to_xml_string(index+1, str) }
       str << '</Relationships>'
     end
-    # Serializes the relationships document.
-    # @return [String]
-    def to_xml()
-      builder = Nokogiri::XML::Builder.new(:encoding => ENCODING) do |xml|
-        xml.Relationships(:xmlns => Axlsx::RELS_R) {
-          each_with_index { |rel, index| rel.to_xml(xml, "rId#{index+1}") }
-        }
-      end
-      builder.to_xml(:save_with => 0)
-    end
 
   end
 end