diff --git a/mozilla/modules/libpref/src/init/all.js b/mozilla/modules/libpref/src/init/all.js
index ef70f581433..dcf91d34d23 100644
--- a/mozilla/modules/libpref/src/init/all.js
+++ b/mozilla/modules/libpref/src/init/all.js
@@ -254,7 +254,7 @@ pref("intl.auto_detect_encoding",           true);
 pref("intl.character_set",                  2);     // CS_LATIN1
 pref("intl.font_encoding",                  6);     // CS_MAC_ROMAN
 
-pref("intl.charset_menu.static",           "iso-8859-1, iso-2022-jp, shift_jis, euc-jp");
+pref("intl.charset_menu.static",           "iso-8859-1");
 pref("intl.charset_menu.cache",            "");
 pref("intl.charset.detector",              "");