diff --git a/src/TextAnnotator.jsx b/src/TextAnnotator.jsx
index d69fbcc..bfeef3b 100644
--- a/src/TextAnnotator.jsx
+++ b/src/TextAnnotator.jsx
@@ -4,9 +4,6 @@ import Highlighter from './highlighter/Highlighter';
 import SelectionHandler from './selection/SelectionHandler';
 import RelationsLayer from './relations/RelationsLayer';
 import RelationEditor from './relations/editor/RelationEditor';
-import { addPolyfills } from './utils';
-
-addPolyfills(); // For Microsoft Edge
 
 /**
  * Pulls the strings between the annotation highlight layer
@@ -275,11 +272,7 @@ export default class TextAnnotator extends Component {
             onAnnotationCreated={this.onCreateOrUpdateAnnotation('onAnnotationCreated')}
             onAnnotationUpdated={this.onCreateOrUpdateAnnotation('onAnnotationUpdated')}
             onAnnotationDeleted={this.onDeleteAnnotation}
-            onCancel={this.onCancelAnnotation}>
-
-            {this.props.children}
-
-          </Editor>
+            onCancel={this.onCancelAnnotation} />
         }
 
         { this.state.selectedRelation &&
diff --git a/src/selection/SelectionHandler.js b/src/selection/SelectionHandler.js
index 912bdaf..2a204c9 100644
--- a/src/selection/SelectionHandler.js
+++ b/src/selection/SelectionHandler.js
@@ -1,5 +1,4 @@
 import { trimRange, rangeToSelection, enableTouch, getExactOverlaps } from './SelectionUtils';
-import { isInternetExplorer } from '../utils';
 import EventEmitter from 'tiny-emitter';
 
 const IS_TOUCH = 'ontouchstart' in window || navigator.maxTouchPoints > 0;