--- a/jdk/src/java.base/share/classes/java/text/DecimalFormatSymbols.java	Wed Jul 05 21:09:59 2017 +0200
+++ b/jdk/src/java.base/share/classes/java/text/DecimalFormatSymbols.java	Mon Dec 21 20:54:00 2015 +0100
@@ -42,14 +42,8 @@
 import java.io.ObjectInputStream;
 import java.io.Serializable;
 import java.text.spi.DecimalFormatSymbolsProvider;
-import java.util.ArrayList;
 import java.util.Currency;
-import java.util.List;
 import java.util.Locale;
-import java.util.MissingResourceException;
-import java.util.ResourceBundle;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
 import sun.util.locale.provider.LocaleProviderAdapter;
 import sun.util.locale.provider.LocaleServiceProviderPool;
 import sun.util.locale.provider.ResourceBundleBasedAdapter;
@@ -875,7 +869,7 @@
 
     // currency; only the ISO code is serialized.
     private transient Currency currency;
-    private transient volatile boolean currencyInitialized = false;
+    private transient volatile boolean currencyInitialized;
 
     // Proclaim JDK 1.1 FCS compatibility
     static final long serialVersionUID = 5772796243397350300L;