diff --git a/core/modules/rdf/rdf.module b/core/modules/rdf/rdf.module
index dbeb9c0..75270ce 100644
--- a/core/modules/rdf/rdf.module
+++ b/core/modules/rdf/rdf.module
@@ -413,10 +413,6 @@ function rdf_preprocess_username(&$variables) {
   // In these cases, store the full username in the 'content' attribute.
   if ($variables['truncated']) {
     $attributes['content'] = check_plain($variables['name_raw']);
-    // If we don't unset the 'datatype' attribute, EasyRdf_Parser_Rdfa will
-    // ignore the 'content' attribute and still use the element's text content
-    // (that is, the shortened username).
-    unset($attributes['datatype']);
   }
   // The remaining attributes can have multiple values listed, with whitespace
   // separating the values in the RDFa attributes