diff --git a/jetty-core/jetty-server/src/main/java/org/eclipse/jetty/server/Request.java b/jetty-core/jetty-server/src/main/java/org/eclipse/jetty/server/Request.java
index 03dd5bb1763..9a189533d2b 100644
--- a/jetty-core/jetty-server/src/main/java/org/eclipse/jetty/server/Request.java
+++ b/jetty-core/jetty-server/src/main/java/org/eclipse/jetty/server/Request.java
@@ -19,7 +19,6 @@
 import java.net.SocketAddress;
 import java.nio.ByteBuffer;
 import java.nio.charset.Charset;
-import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.function.Function;
@@ -113,7 +112,6 @@
  */
 public interface Request extends Attributes, Content.Source
 {
-    List<Locale> __defaultLocale = Collections.singletonList(Locale.getDefault());
     String CACHE_ATTRIBUTE = Request.class.getCanonicalName() + ".CookieCache";
     String COOKIE_ATTRIBUTE = Request.class.getCanonicalName() + ".Cookies";
 
@@ -382,13 +380,13 @@ static List<Locale> getLocales(Request request)
     {
         HttpFields fields = request.getHeaders();
         if (fields == null)
-            return __defaultLocale;
+            return List.of(Locale.getDefault());
 
         List<String> acceptable = fields.getQualityCSV(HttpHeader.ACCEPT_LANGUAGE);
 
         // handle no locale
         if (acceptable.isEmpty())
-            return __defaultLocale;
+            return List.of(Locale.getDefault());
 
         return acceptable.stream().map(language ->
         {