diff --git a/grobid-home/schemas/odd/Grobid.odd b/grobid-home/schemas/odd/Grobid.odd
index c51086155f..12cb1738e8 100644
--- a/grobid-home/schemas/odd/Grobid.odd
+++ b/grobid-home/schemas/odd/Grobid.odd
@@ -265,7 +265,7 @@
                     </attList>
                 </classSpec>
                 
-                <elementSpec ident="availability" mode="change">
+                <!--elementSpec ident="availability" mode="change">
                     <attList>
                         <attDef ident="copyrightOwner">
                             <datatype>
@@ -284,7 +284,7 @@
                             </valList>
                         </attDef>
                     </attList>
-                </elementSpec>
+                </elementSpec-->
             </schemaSpec>
         </body>
     </text>