diff --git a/doc/v2/class.html b/doc/v2/class.html
index 46c6320d..096caa96 100644
--- a/doc/v2/class.html
+++ b/doc/v2/class.html
@@ -715,8 +715,6 @@ class_& enable_pickling();
 </pre>
 
     <dl class="function-semantics">
-      <dt><b>Requires:</b> n/a</dt>
-
       <dt><b>Effects:</b> Defines the <code>__reduce__</code> method and
       the <code>__safe_for_unpickling__</code> attribute.