diff --git a/src/ChangeLog b/src/ChangeLog
index 8d6d34a83ae35e0b6fab3c7bb78effbd176f1013..b7b2d5fba4b01e0ac61d978491cfc231d43a4ea0 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2013-07-29  Dmitry Antipov  <dmantipov@yandex.ru>
+
+	* fns.c (toplevel): Remove comment before Fsafe_length because
+	it checks for QUIT.
+
 2013-07-28  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* frame.c (delete_frame): Avoid unnecessary 'this_f' test (Bug#14970).
diff --git a/src/fns.c b/src/fns.c
index 9fd0ad2a9d16ccf659bde156cf0443bd58711464..6f81635ab9d5e3fb29ff2b1f41e77ce84cef7799 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -146,8 +146,6 @@ To get the number of bytes, use `string-bytes'.  */)
   return val;
 }
 
-/* This does not check for quits.  That is safe since it must terminate.  */
-
 DEFUN ("safe-length", Fsafe_length, Ssafe_length, 1, 1, 0,
        doc: /* Return the length of a list, but avoid error or infinite loop.
 This function never gets an error.  If LIST is not really a list,