diff --git a/src/help.html b/src/help.html
index 863b3af4..c5bf19c8 100644
--- a/src/help.html
+++ b/src/help.html
@@ -181,7 +181,6 @@ <h3>Play against (weakened) engine</h3>
 <h3><a name="layout">UI layout</a></h3>
 
 You can switch landscape / portrait layout by changing window size.
-(Portrait may be preferable when it is attached to Sabaki.)
 See also "View" menu in LizGoban.
 
 <h3><a name="letmethink">Let-me-think-first mode</a></h3>
@@ -296,11 +295,6 @@ <h3>Engine</h3>
  <li>Ctrl+Shift+u: unload white engine</li>
 </ul>
 
-<h3>Sabaki</h3>
-<ul>
- <li>Ctrl+t: attach/detach Sabaki</li>
-</ul>
-
 <hr>
 
 <h2><a name="Katago">KataGo</a></h2>