src/java.base/share/classes/java/nio/charset/Charset.java

@@ -279,11 +279,11 @@
     implements Comparable<Charset>
 {
 
     /* -- Static methods -- */
 
-    private static volatile String bugLevel;
+    private static String bugLevel;
 
     static boolean atBugLevel(String bl) {              // package-private
         String level = bugLevel;
         if (level == null) {
             if (!VM.isBooted())