diff --git a/lib/freshbooks/base.rb b/lib/freshbooks/base.rb
index 2a7122a..503a027 100644
--- a/lib/freshbooks/base.rb
+++ b/lib/freshbooks/base.rb
@@ -24,6 +24,7 @@ def self.new_from_xml(xml_root)
       self.schema_definition.members.each do |member_name, member_options|
         node = xml_root.elements[member_name.dup]
         next if node.nil?
+        next if XmlSerializer.deprecated? node
         
         value = FreshBooks::XmlSerializer.to_value(node, member_options[:type])
         object.send("#{member_name}=", value)
diff --git a/lib/freshbooks/xml_serializer.rb b/lib/freshbooks/xml_serializer.rb
index 2059b6b..e46f831 100644
--- a/lib/freshbooks/xml_serializer.rb
+++ b/lib/freshbooks/xml_serializer.rb
@@ -13,5 +13,10 @@ def self.to_node(member_name, value, type)
     def self.create_serializer(type)
       "FreshBooks::XmlSerializer::#{type.to_s.classify}Serializer".constantize
     end
+    
+    def self.deprecated?(node)
+      !node.attribute('deprecated').nil?
+    end
+    
   end
 end
diff --git a/lib/freshbooks/xml_serializer/serializers.rb b/lib/freshbooks/xml_serializer/serializers.rb
index f6e21a4..adbabe1 100644
--- a/lib/freshbooks/xml_serializer/serializers.rb
+++ b/lib/freshbooks/xml_serializer/serializers.rb
@@ -86,8 +86,8 @@ def self.to_node(member_name, value)
       
       def self.to_value(xml_val)
         xml_val.elements.map { |elem|
-          FreshBooks::const_get(elem.name.camelize)::new_from_xml(elem)
-        }
+          FreshBooks::const_get(elem.name.camelize)::new_from_xml(elem) unless XmlSerializer.deprecated? elem
+        }.compact
       end
     end