diff --git a/runtime/JavaScript/src/antlr4/dfa/DFA.js b/runtime/JavaScript/src/antlr4/dfa/DFA.js
index 047c2cdf8..770e929e9 100644
--- a/runtime/JavaScript/src/antlr4/dfa/DFA.js
+++ b/runtime/JavaScript/src/antlr4/dfa/DFA.js
@@ -159,4 +159,4 @@ class DFA {
 }
 
 
-module.exports = { DFA };
+module.exports = DFA;
diff --git a/runtime/JavaScript/src/antlr4/dfa/index.js b/runtime/JavaScript/src/antlr4/dfa/index.js
index fbe38cef1..9a98bd076 100644
--- a/runtime/JavaScript/src/antlr4/dfa/index.js
+++ b/runtime/JavaScript/src/antlr4/dfa/index.js
@@ -3,7 +3,7 @@
  * can be found in the LICENSE.txt file in the project root.
  */
 
-exports.DFA = require('./DFA').DFA;
+exports.DFA = require('./DFA');
 exports.DFASerializer = require('./DFASerializer').DFASerializer;
 exports.LexerDFASerializer = require('./DFASerializer').LexerDFASerializer;
 exports.PredPrediction = require('./DFAState').PredPrediction;
diff --git a/runtime/JavaScript/src/antlr4/error/DiagnosticErrorListener.js b/runtime/JavaScript/src/antlr4/error/DiagnosticErrorListener.js
index 47f1a63b7..4536fa484 100644
--- a/runtime/JavaScript/src/antlr4/error/DiagnosticErrorListener.js
+++ b/runtime/JavaScript/src/antlr4/error/DiagnosticErrorListener.js
@@ -102,4 +102,4 @@ class DiagnosticErrorListener extends ErrorListener {
 	}
 }
 
-module.exports = {DiagnosticErrorListener}
+module.exports = DiagnosticErrorListener
diff --git a/runtime/JavaScript/src/antlr4/error/index.js b/runtime/JavaScript/src/antlr4/error/index.js
index b200b7be1..73d7740c3 100644
--- a/runtime/JavaScript/src/antlr4/error/index.js
+++ b/runtime/JavaScript/src/antlr4/error/index.js
@@ -8,6 +8,6 @@ module.exports.NoViableAltException = require('./Errors').NoViableAltException;
 module.exports.LexerNoViableAltException = require('./Errors').LexerNoViableAltException;
 module.exports.InputMismatchException = require('./Errors').InputMismatchException;
 module.exports.FailedPredicateException = require('./Errors').FailedPredicateException;
-module.exports.DiagnosticErrorListener = require('./DiagnosticErrorListener').DiagnosticErrorListener;
+module.exports.DiagnosticErrorListener = require('./DiagnosticErrorListener');
 module.exports.BailErrorStrategy = require('./ErrorStrategy').BailErrorStrategy;
 module.exports.ErrorListener = require('./ErrorListener').ErrorListener;