diff --git a/runtime/Java/src/org/antlr/v4/runtime/tree/pattern/ParseTreePatternMatcher.java b/runtime/Java/src/org/antlr/v4/runtime/tree/pattern/ParseTreePatternMatcher.java
index 74690bd76..b5165a69e 100644
--- a/runtime/Java/src/org/antlr/v4/runtime/tree/pattern/ParseTreePatternMatcher.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/tree/pattern/ParseTreePatternMatcher.java
@@ -56,20 +56,12 @@ import java.util.List;
 import java.util.Map;
 
 public class ParseTreePatternMatcher {
-	public static class CannotCreateLexerOrParser extends RuntimeException {
-		public CannotCreateLexerOrParser(Throwable e) {
-			super(e);
-		}
-	}
 	public static class CannotInvokeStartRule extends RuntimeException {
 		public CannotInvokeStartRule(Throwable e) {
 			super(e);
 		}
 	}
 
-	protected Class<? extends Lexer> lexerClass;
-	protected Class<? extends Parser> parserClass;
-
 	protected Lexer lexer;
 	protected Parser parser;