diff --git a/docs/htmlqa b/docs/htmlqa
index fe151ee..0b7bbab 100644
--- a/docs/htmlqa
+++ b/docs/htmlqa
@@ -188,5 +188,4 @@
 mode: indented-text
 fill-column: 72
 fill-prefix: "	"
-buffer-file-coding-system: shift_jis-dos
 End:
diff --git a/docs/qanda b/docs/qanda
index b9e9205..f623fd6 100644
--- a/docs/qanda
+++ b/docs/qanda
@@ -709,5 +709,4 @@
 mode: indented-text
 fill-column: 72
 fill-prefix: "	"
-buffer-file-coding-system: shift_jis-dos
 End:
diff --git a/yahtml.el b/yahtml.el
index fd69a3e..4053c78 100644
--- a/yahtml.el
+++ b/yahtml.el
@@ -1,6 +1,5 @@
 ;;; yahtml.el --- Yet Another HTML mode -*- coding: sjis -*-
 ;;; (c) 1994-2017 by HIROSE Yuuji [yuuji(@)yatex.org]
-;;; Last modified Sun Sep 10 15:57:47 2017 on firestorm
 ;;; $Id$
 
 (defconst yahtml-revision-number "1.79.3"
@@ -3365,5 +3364,4 @@
 ; fill-prefix: ";;; "
 ; paragraph-start: "^$\\|\\|;;;$"
 ; paragraph-separate: "^$\\|\\|;;;$"
-; coding: sjis
 ; End:
diff --git a/yatex.el b/yatex.el
index 07c9550..72e0981 100644
--- a/yatex.el
+++ b/yatex.el
@@ -1,6 +1,6 @@
 ;;; yatex.el --- Yet Another tex-mode for emacs //�쒹// -*- coding: sjis -*-
 ;;; (c)1991-2017 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Tue Sep  5 13:31:22 2017 on firestorm
+;;; Last modified Sun Sep 10 09:51:57 2017 on firestorm
 ;;; $Id$
 ;;; The latest version of this software is always available at;
 ;;; http://www.yatex.org/
@@ -3278,7 +3278,3 @@
 
 ;; `History' was moved to ChangeLog
 ;----------------------------- End of yatex.el -----------------------------
-
-; Local variables:
-; coding: sjis
-; End:
diff --git a/yatex19.el b/yatex19.el
index 660674b..75290f4 100644
--- a/yatex19.el
+++ b/yatex19.el
@@ -1,6 +1,6 @@
 ;;; yatex19.el -- YaTeX facilities for Emacs 19 or later -*- coding: sjis -*-
 ;;; (c)1994-2017 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Thu Jan  5 17:45:46 2017 on firestorm
+;;; Last modified Sun Sep 10 09:51:04 2017 on firestorm
 ;;; $Id$
 
 ;;; Code:
@@ -823,5 +823,4 @@
 ; fill-prefix: ";;; "
 ; paragraph-start: "^$\\|\\|;;;$"
 ; paragraph-separate: "^$\\|\\|;;;$"
-; coding: sjis
 ; End:
diff --git a/yatex23.el b/yatex23.el
index d9a3320..0e3868c 100644
--- a/yatex23.el
+++ b/yatex23.el
@@ -1,6 +1,6 @@
 ;;; yatex23.el --- YaTeX facilities for Emacs 23 or later -*- coding: sjis -*-
 ;;; (c)2014-2017 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Thu Jan  5 17:45:48 2017 on firestorm
+;;; Last modified Sun Sep 10 09:52:29 2017 on firestorm
 ;;; $Id$
 
 (require 'yatex19)
@@ -105,10 +105,3 @@
   "Face of on-the-fly preview image mode")
 
 (provide 'yatex23)
-
-; Local variables:
-; fill-prefix: ";;; "
-; paragraph-start: "^$\\|\\|;;;$"
-; paragraph-separate: "^$\\|\\|;;;$"
-; coding: sjis
-; End:
diff --git a/yatexadd.el b/yatexadd.el
index 2b557b1..750e374 100644
--- a/yatexadd.el
+++ b/yatexadd.el
@@ -1,6 +1,6 @@
 ;;; yatexadd.el --- YaTeX add-in functions -*- coding: sjis -*-
 ;;; (c)1991-2017 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Sat Jun  3 23:23:23 2017 on firestorm
+;;; Last modified Sun Sep 10 09:52:35 2017 on firestorm
 ;;; $Id$
 
 ;;; Code:
@@ -2368,5 +2368,4 @@
 ; fill-prefix: ";;; "
 ; paragraph-start: "^$\\|\\|;;;$"
 ; paragraph-separate: "^$\\|\\|;;;$"
-; coding: sjis
 ; End:
diff --git a/yatexlib.el b/yatexlib.el
index d82f080..4dd75c4 100644
--- a/yatexlib.el
+++ b/yatexlib.el
@@ -1,7 +1,7 @@
 ;;; yatexlib.el --- YaTeX and yahtml common libraries -*- coding: sjis -*-
 ;;; 
 ;;; (c)1994-2017 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Sat Jan 28 15:59:00 2017 on firestorm
+;;; Last modified Sun Sep 10 09:53:33 2017 on firestorm
 ;;; $Id$
 
 ;;; Code:
@@ -1703,9 +1703,3 @@
 	(kill-emacs))))
 
 (provide 'yatexlib)
-; Local variables:
-; fill-prefix: ";;; "
-; paragraph-start: "^$\\|\\|;;;$"
-; paragraph-separate: "^$\\|\\|;;;$"
-; coding: sjis
-; End: