diff --git a/js-packages/@fortawesome/fontawesome-svg-core/index.es.js b/js-packages/@fortawesome/fontawesome-svg-core/index.es.js
index 728d516425..e4108bbaa5 100644
--- a/js-packages/@fortawesome/fontawesome-svg-core/index.es.js
+++ b/js-packages/@fortawesome/fontawesome-svg-core/index.es.js
@@ -246,16 +246,14 @@ try {
   if (typeof performance !== 'undefined') _PERFORMANCE = performance;
 } catch (e) {}
 
-var _ref = _WINDOW.navigator || {},
-    _ref$userAgent = _ref.userAgent,
-    userAgent = _ref$userAgent === void 0 ? '' : _ref$userAgent;
+
 var WINDOW = _WINDOW;
 var DOCUMENT = _DOCUMENT;
 var MUTATION_OBSERVER = _MUTATION_OBSERVER;
 var PERFORMANCE = _PERFORMANCE;
 var IS_BROWSER = !!WINDOW.document;
 var IS_DOM = !!DOCUMENT.documentElement && !!DOCUMENT.head && typeof DOCUMENT.addEventListener === 'function' && typeof DOCUMENT.createElement === 'function';
-var IS_IE = ~userAgent.indexOf('MSIE') || ~userAgent.indexOf('Trident/');
+var IS_IE = false;
 
 var NAMESPACE_IDENTIFIER = '___FONT_AWESOME___';
 var UNITS_IN_GRID = 16;
diff --git a/js-packages/@fortawesome/fontawesome-svg-core/index.js b/js-packages/@fortawesome/fontawesome-svg-core/index.js
index fd8b93d5f2..d7a99fb00f 100644
--- a/js-packages/@fortawesome/fontawesome-svg-core/index.js
+++ b/js-packages/@fortawesome/fontawesome-svg-core/index.js
@@ -252,16 +252,13 @@
     if (typeof performance !== 'undefined') _PERFORMANCE = performance;
   } catch (e) {}
 
-  var _ref = _WINDOW.navigator || {},
-      _ref$userAgent = _ref.userAgent,
-      userAgent = _ref$userAgent === void 0 ? '' : _ref$userAgent;
   var WINDOW = _WINDOW;
   var DOCUMENT = _DOCUMENT;
   var MUTATION_OBSERVER = _MUTATION_OBSERVER;
   var PERFORMANCE = _PERFORMANCE;
   var IS_BROWSER = !!WINDOW.document;
   var IS_DOM = !!DOCUMENT.documentElement && !!DOCUMENT.head && typeof DOCUMENT.addEventListener === 'function' && typeof DOCUMENT.createElement === 'function';
-  var IS_IE = ~userAgent.indexOf('MSIE') || ~userAgent.indexOf('Trident/');
+  var IS_IE = false;
 
   var NAMESPACE_IDENTIFIER = '___FONT_AWESOME___';
   var UNITS_IN_GRID = 16;