jdk/src/java.base/share/classes/java/lang/System.java

@@ -26,17 +26,16 @@
 
 import java.io.*;
 import java.lang.reflect.Executable;
 import java.lang.annotation.Annotation;
 import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.Properties;
 import java.util.PropertyPermission;
 import java.util.StringTokenizer;
 import java.util.Map;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.security.AllPermission;
 import java.nio.channels.Channel;
 import java.nio.channels.spi.SelectorProvider;
 import sun.nio.ch.Interruptible;
 import sun.reflect.CallerSensitive;
 import sun.reflect.Reflection;

@@ -1248,16 +1247,10 @@
                 t.blockedOn(b);
             }
             public void registerShutdownHook(int slot, boolean registerShutdownInProgress, Runnable hook) {
                 Shutdown.add(slot, registerShutdownInProgress, hook);
             }
-            public int getStackTraceDepth(Throwable t) {
-                return t.getStackTraceDepth();
-            }
-            public StackTraceElement getStackTraceElement(Throwable t, int i) {
-                return t.getStackTraceElement(i);
-            }
             public String newStringUnsafe(char[] chars) {
                 return new String(chars, true);
             }
             public Thread newThreadWithAcc(Runnable target, AccessControlContext acc) {
                 return new Thread(target, acc);