--- old/src/java.base/share/classes/java/time/format/DateTimeFormatterBuilder.java	2017-11-22 10:51:13.904176391 -0800
+++ new/src/java.base/share/classes/java/time/format/DateTimeFormatterBuilder.java	2017-11-22 10:51:13.562169851 -0800
@@ -2162,12 +2162,6 @@
      * This will create a formatter with the {@linkplain Locale#getDefault(Locale.Category) default FORMAT locale}.
      * Numbers will be printed and parsed using the standard DecimalStyle.
      * The resolver style will be {@link ResolverStyle#SMART SMART}.
-     * If the default locale contains "ca" (calendar), "rg" (region override)
-     * and/or "tz" (timezone)
-     * <a href="../../util/Locale.html#def_locale_extension">Unicode extensions</a>,
-     * the chronology and/or the zone are overridden. If both "ca" and "rg" are
-     * specified, the chronology from the "ca" extension supersedes the implicit one
-     * from the "rg" extension.
      * <p>
      * Calling this method will end any open optional sections by repeatedly
      * calling {@link #optionalEnd()} before creating the formatter.
@@ -2188,12 +2182,6 @@
      * This will create a formatter with the specified locale.
      * Numbers will be printed and parsed using the standard DecimalStyle.
      * The resolver style will be {@link ResolverStyle#SMART SMART}.
-     * If the specified locale contains "ca" (calendar), "rg" (region override)
-     * and/or "tz" (timezone)
-     * <a href="../../util/Locale.html#def_locale_extension">Unicode extensions</a>,
-     * the chronology and/or the zone are overridden. If both "ca" and "rg" are
-     * specified, the chronology from the "ca" extension supersedes the implicit one
-     * from the "rg" extension.
      * <p>
      * Calling this method will end any open optional sections by repeatedly
      * calling {@link #optionalEnd()} before creating the formatter.
@@ -2232,18 +2220,8 @@
             optionalEnd();
         }
         CompositePrinterParser pp = new CompositePrinterParser(printerParsers, false);
-
-        // Check for chronology/timezone in locale object
-        Chronology c = locale.getUnicodeLocaleType("ca") != null ?
-                       Chronology.ofLocale(locale) : chrono;
-        String tzType = locale.getUnicodeLocaleType("tz");
-        ZoneId z  = tzType != null ?
-                    TimeZoneNameUtility.convertLDMLShortID(tzType)
-                        .map(ZoneId::of)
-                        .orElse(null) :
-                    null;
         return new DateTimeFormatter(pp, locale, DecimalStyle.STANDARD,
-                resolverStyle, null, c, z);
+                resolverStyle, null, chrono, null);
     }
 
     //-----------------------------------------------------------------------