diff --git a/lispref/modes.texi b/lispref/modes.texi
index 36c20ce8764..b0b8263200a 100644
--- a/lispref/modes.texi
+++ b/lispref/modes.texi
@@ -1382,6 +1382,7 @@ function goes at the end of the hook list and will be executed last.
 This function removes @var{function} from the hook variable @var{hook}.
 @end defun
 
+@ignore  @c Should no longer be necessary
 If you make a hook variable buffer-local, copy its value before you use
 @code{add-hook} or @code{remove-hook} to change it.  For example,
 
@@ -1398,4 +1399,4 @@ If you make a hook variable buffer-local, copy its value before you use
 
 Otherwise you may accidentally alter the list structure that forms part
 of the global value of the hook variable.
-
+@end ignore