diff --git a/lib/doc/Math.lyx b/lib/doc/Math.lyx
index c39b885e1f..cc75c84ed7 100644
--- a/lib/doc/Math.lyx
+++ b/lib/doc/Math.lyx
@@ -2749,23 +2749,6 @@ Ctrl-Return
 \end_inset
 
 .
-\begin_inset Foot
-status collapsed
-
-\begin_layout Standard
-Umlauts and accents in formulas, like in the table above, are explained
- in 
-\begin_inset LatexCommand ref
-reference "sub:Accents-for-one"
-
-\end_inset
-
-.
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Standard