diff --git a/lib/termium/extract.rb b/lib/termium/extract.rb
index 9177061..31bc34f 100644
--- a/lib/termium/extract.rb
+++ b/lib/termium/extract.rb
@@ -12,22 +12,13 @@ class Extract < Lutaml::Model::Serializable
 
     xml do
       root "termium_extract"
-      # namespace "http://termium.tpsgc-pwgsc.gc.ca/schemas/2012/06/Termium", "ns2"
+      namespace "http://termium.tpsgc-pwgsc.gc.ca/schemas/2012/06/Termium", "ns2"
 
-      map_attribute "language", to: :language
-      map_element "extractLanguage", to: :extract_language
-      map_element "core", to: :core
+      map_attribute "language", to: :language, namespace: nil
+      map_element "extractLanguage", to: :extract_language, namespace: nil
+      map_element "core", to: :core, namespace: nil
     end
 
-    # xml do
-    #   root "termium_extract"
-    #   namespace "http://termium.tpsgc-pwgsc.gc.ca/schemas/2012/06/Termium", "ns2"
-
-    #   map_attribute "language", to: :language, namespace: nil
-    #   map_element "extractLanguage", to: :extract_language, namespace: nil
-    #   map_element "core", to: :core, namespace: nil
-    # end
-
     def to_concept(options = {})
       coll = Glossarist::ManagedConceptCollection.new
       coll.managed_concepts = core.map do |managed_concept|