diff --git a/runtime/Java/src/org/antlr/v4/runtime/atn/PredictionContext.java b/runtime/Java/src/org/antlr/v4/runtime/atn/PredictionContext.java
index f9276589d..b8b7a7d3e 100644
--- a/runtime/Java/src/org/antlr/v4/runtime/atn/PredictionContext.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/atn/PredictionContext.java
@@ -30,7 +30,6 @@
 
 package org.antlr.v4.runtime.atn;
 
-import org.antlr.misc.MutableInteger;
 import org.antlr.v4.runtime.Recognizer;
 import org.antlr.v4.runtime.RuleContext;
 import org.antlr.v4.runtime.misc.DoubleKeyMap;
@@ -655,26 +654,6 @@ public abstract class PredictionContext implements Iterable<SingletonPredictionC
 		}
 	}
 
-	public static int countAllContextNodes(PredictionContext context) {
-		MutableInteger count = new MutableInteger(0);
-		Map<PredictionContext, PredictionContext> visited =
-			new IdentityHashMap<PredictionContext, PredictionContext>();
-		countAllContextNodes_(context, count, visited);
-		return count.value;
-	}
-
-	public static void countAllContextNodes_(PredictionContext context,
-											 MutableInteger count,
-											 Map<PredictionContext, PredictionContext> visited)
-	{
-		if ( context==null || visited.containsKey(context) ) return;
-		visited.put(context, context);
-		count.value++;
-		for (int i = 0; i < context.size(); i++) {
-			countAllContextNodes_(context.getParent(i), count, visited);
-		}
-	}
-
 	public String toString(@Nullable Recognizer<?,?> recog) {
 		return toString();
 //		return toString(recog, ParserRuleContext.EMPTY);