diff --git a/x-pack/plugin/esql/gen/EsqlBaseLexer.java b/x-pack/plugin/esql/gen/EsqlBaseLexer.java
deleted file mode 100644
index 3c465373ece7a..0000000000000
--- a/x-pack/plugin/esql/gen/EsqlBaseLexer.java
+++ /dev/null
@@ -1,153 +0,0 @@
-// Generated from /Users/afoucret/git/elasticsearch/x-pack/plugin/esql/src/main/antlr/EsqlBaseLexer.g4 by ANTLR 4.13.2
-
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0; you may not use this file except in compliance with the Elastic License
- * 2.0.
- */
-
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-import org.antlr.v4.runtime.*;
-import org.antlr.v4.runtime.atn.*;
-import org.antlr.v4.runtime.dfa.DFA;
-import org.antlr.v4.runtime.misc.*;
-
-@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
-public class EsqlBaseLexer extends LexerConfig {
-	static { RuntimeMetaData.checkVersion("4.13.2", RuntimeMetaData.VERSION); }
-
-	protected static final DFA[] _decisionToDFA;
-	protected static final PredictionContextCache _sharedContextCache =
-		new PredictionContextCache();
-	public static final int
-		LINE_COMMENT=1, MULTILINE_COMMENT=2, WS=3;
-	public static String[] channelNames = {
-		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
-	};
-
-	public static String[] modeNames = {
-		"DEFAULT_MODE"
-	};
-
-	private static String[] makeRuleNames() {
-		return new String[] {
-			"LINE_COMMENT", "MULTILINE_COMMENT", "WS"
-		};
-	}
-	public static final String[] ruleNames = makeRuleNames();
-
-	private static String[] makeLiteralNames() {
-		return new String[] {
-		};
-	}
-	private static final String[] _LITERAL_NAMES = makeLiteralNames();
-	private static String[] makeSymbolicNames() {
-		return new String[] {
-			null, "LINE_COMMENT", "MULTILINE_COMMENT", "WS"
-		};
-	}
-	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
-	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
-
-	/**
-	 * @deprecated Use {@link #VOCABULARY} instead.
-	 */
-	@Deprecated
-	public static final String[] tokenNames;
-	static {
-		tokenNames = new String[_SYMBOLIC_NAMES.length];
-		for (int i = 0; i < tokenNames.length; i++) {
-			tokenNames[i] = VOCABULARY.getLiteralName(i);
-			if (tokenNames[i] == null) {
-				tokenNames[i] = VOCABULARY.getSymbolicName(i);
-			}
-
-			if (tokenNames[i] == null) {
-				tokenNames[i] = "<INVALID>";
-			}
-		}
-	}
-
-	@Override
-	@Deprecated
-	public String[] getTokenNames() {
-		return tokenNames;
-	}
-
-	@Override
-
-	public Vocabulary getVocabulary() {
-		return VOCABULARY;
-	}
-
-
-	public EsqlBaseLexer(CharStream input) {
-		super(input);
-		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
-	}
-
-	@Override
-	public String getGrammarFileName() { return "EsqlBaseLexer.g4"; }
-
-	@Override
-	public String[] getRuleNames() { return ruleNames; }
-
-	@Override
-	public String getSerializedATN() { return _serializedATN; }
-
-	@Override
-	public String[] getChannelNames() { return channelNames; }
-
-	@Override
-	public String[] getModeNames() { return modeNames; }
-
-	@Override
-	public ATN getATN() { return _ATN; }
-
-	public static final String _serializedATN =
-		"\u0004\u0000\u0003.\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
-		"\u0007\u0001\u0002\u0002\u0007\u0002\u0001\u0000\u0001\u0000\u0001\u0000"+
-		"\u0001\u0000\u0005\u0000\f\b\u0000\n\u0000\f\u0000\u000f\t\u0000\u0001"+
-		"\u0000\u0003\u0000\u0012\b\u0000\u0001\u0000\u0003\u0000\u0015\b\u0000"+
-		"\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
-		"\u0001\u0001\u0005\u0001\u001e\b\u0001\n\u0001\f\u0001!\t\u0001\u0001"+
-		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0002\u0004"+
-		"\u0002)\b\u0002\u000b\u0002\f\u0002*\u0001\u0002\u0001\u0002\u0001\u001f"+
-		"\u0000\u0003\u0001\u0001\u0003\u0002\u0005\u0003\u0001\u0000\u0002\u0002"+
-		"\u0000\n\n\r\r\u0003\u0000\t\n\r\r  3\u0000\u0001\u0001\u0000\u0000\u0000"+
-		"\u0000\u0003\u0001\u0000\u0000\u0000\u0000\u0005\u0001\u0000\u0000\u0000"+
-		"\u0001\u0007\u0001\u0000\u0000\u0000\u0003\u0018\u0001\u0000\u0000\u0000"+
-		"\u0005(\u0001\u0000\u0000\u0000\u0007\b\u0005/\u0000\u0000\b\t\u0005/"+
-		"\u0000\u0000\t\r\u0001\u0000\u0000\u0000\n\f\b\u0000\u0000\u0000\u000b"+
-		"\n\u0001\u0000\u0000\u0000\f\u000f\u0001\u0000\u0000\u0000\r\u000b\u0001"+
-		"\u0000\u0000\u0000\r\u000e\u0001\u0000\u0000\u0000\u000e\u0011\u0001\u0000"+
-		"\u0000\u0000\u000f\r\u0001\u0000\u0000\u0000\u0010\u0012\u0005\r\u0000"+
-		"\u0000\u0011\u0010\u0001\u0000\u0000\u0000\u0011\u0012\u0001\u0000\u0000"+
-		"\u0000\u0012\u0014\u0001\u0000\u0000\u0000\u0013\u0015\u0005\n\u0000\u0000"+
-		"\u0014\u0013\u0001\u0000\u0000\u0000\u0014\u0015\u0001\u0000\u0000\u0000"+
-		"\u0015\u0016\u0001\u0000\u0000\u0000\u0016\u0017\u0006\u0000\u0000\u0000"+
-		"\u0017\u0002\u0001\u0000\u0000\u0000\u0018\u0019\u0005/\u0000\u0000\u0019"+
-		"\u001a\u0005*\u0000\u0000\u001a\u001f\u0001\u0000\u0000\u0000\u001b\u001e"+
-		"\u0003\u0003\u0001\u0000\u001c\u001e\t\u0000\u0000\u0000\u001d\u001b\u0001"+
-		"\u0000\u0000\u0000\u001d\u001c\u0001\u0000\u0000\u0000\u001e!\u0001\u0000"+
-		"\u0000\u0000\u001f \u0001\u0000\u0000\u0000\u001f\u001d\u0001\u0000\u0000"+
-		"\u0000 \"\u0001\u0000\u0000\u0000!\u001f\u0001\u0000\u0000\u0000\"#\u0005"+
-		"*\u0000\u0000#$\u0005/\u0000\u0000$%\u0001\u0000\u0000\u0000%&\u0006\u0001"+
-		"\u0000\u0000&\u0004\u0001\u0000\u0000\u0000\')\u0007\u0001\u0000\u0000"+
-		"(\'\u0001\u0000\u0000\u0000)*\u0001\u0000\u0000\u0000*(\u0001\u0000\u0000"+
-		"\u0000*+\u0001\u0000\u0000\u0000+,\u0001\u0000\u0000\u0000,-\u0006\u0002"+
-		"\u0000\u0000-\u0006\u0001\u0000\u0000\u0000\u0007\u0000\r\u0011\u0014"+
-		"\u001d\u001f*\u0001\u0000\u0001\u0000";
-	public static final ATN _ATN =
-		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
-	static {
-		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
-		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
-			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
-		}
-	}
-}
\ No newline at end of file
diff --git a/x-pack/plugin/esql/gen/EsqlBaseLexer.tokens b/x-pack/plugin/esql/gen/EsqlBaseLexer.tokens
deleted file mode 100644
index 907d464c07573..0000000000000
--- a/x-pack/plugin/esql/gen/EsqlBaseLexer.tokens
+++ /dev/null
@@ -1,3 +0,0 @@
-LINE_COMMENT=1
-MULTILINE_COMMENT=2
-WS=3