diff --git a/runtime/Java/src/org/antlr/v4/runtime/Parser.java b/runtime/Java/src/org/antlr/v4/runtime/Parser.java
index 90688e7a9..b1aeda4c3 100644
--- a/runtime/Java/src/org/antlr/v4/runtime/Parser.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/Parser.java
@@ -132,13 +132,13 @@ public abstract class Parser extends Recognizer<Token, v2ParserATNSimulator<Toke
 		return buildParseTrees;
 	}
 
-	public void setTraceATNStates(boolean traceATNStates) {
-		this.traceATNStates = traceATNStates;
-	}
-
-	public boolean getTraceATNStates() {
-		return traceATNStates;
-	}
+//	public void setTraceATNStates(boolean traceATNStates) {
+//		this.traceATNStates = traceATNStates;
+//	}
+//
+//	public boolean getTraceATNStates() {
+//		return traceATNStates;
+//	}
 
     public ParseTreeListener<Token> getListener() {
         return _listener;
@@ -469,6 +469,6 @@ public abstract class Parser extends Recognizer<Token, v2ParserATNSimulator<Toke
 	public void setState(int atnState) {
 //		System.err.println("setState "+atnState);
 		_ctx.s = atnState;
-		if ( traceATNStates ) _ctx.trace(atnState);
+//		if ( traceATNStates ) _ctx.trace(atnState);
 	}
 }
diff --git a/runtime/Java/src/org/antlr/v4/runtime/ParserRuleContext.java b/runtime/Java/src/org/antlr/v4/runtime/ParserRuleContext.java
index 929080d73..ea55b4259 100644
--- a/runtime/Java/src/org/antlr/v4/runtime/ParserRuleContext.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/ParserRuleContext.java
@@ -92,7 +92,7 @@ public class ParserRuleContext<Symbol> extends RuleContext {
      *
      *  This does not trace states visited during prediction.
 	 */
-	public List<Integer> states;
+//	public List<Integer> states;
 
 	/** Current ATN state number we are executing.
 	 *
@@ -168,10 +168,10 @@ public class ParserRuleContext<Symbol> extends RuleContext {
 		}
 	}
 
-	public void trace(int s) {
-		if ( states==null ) states = new ArrayList<Integer>();
-		states.add(s);
-	}
+//	public void trace(int s) {
+//		if ( states==null ) states = new ArrayList<Integer>();
+//		states.add(s);
+//	}
 
 	public void addChild(Token matchedToken) {
 		TerminalNodeImpl<?> t = new TerminalNodeImpl<Token>(matchedToken);