diff --git a/runtime/Java/src/org/antlr/v4/runtime/tree/pattern/ParseTreePatternLexer.java b/runtime/Java/src/org/antlr/v4/runtime/tree/pattern/ParseTreePatternLexer.java
deleted file mode 100644
index 32810d3c0..000000000
--- a/runtime/Java/src/org/antlr/v4/runtime/tree/pattern/ParseTreePatternLexer.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * [The "BSD license"]
- *  Copyright (c) 2012 Terence Parr
- *  Copyright (c) 2012 Sam Harwell
- *  All rights reserved.
- *
- *  Redistribution and use in source and binary forms, with or without
- *  modification, are permitted provided that the following conditions
- *  are met:
- *
- *  1. Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package org.antlr.v4.runtime.tree.pattern;
-
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.atn.ATN;
-
-public class ParseTreePatternLexer extends Lexer {
-	@Override
-	public ATN getATN() {
-		return null;
-	}
-
-	@Override
-	public String[] getRuleNames() {
-		return new String[0];
-	}
-
-	@Override
-	public String getGrammarFileName() {
-		return null;
-	}
-
-	@Override
-	public Token nextToken() {
-		return super.nextToken();
-	}
-}