diff --git a/src/wp-includes/js/media-grid.js b/src/wp-includes/js/media-grid.js
index 4785b4776f..7a4e43e725 100644
--- a/src/wp-includes/js/media-grid.js
+++ b/src/wp-includes/js/media-grid.js
@@ -387,8 +387,7 @@
 
 		events: {
 			'click .left':  'previousMediaItem',
-			'click .right': 'nextMediaItem',
-			'keydown':      'keyEvent'
+			'click .right': 'nextMediaItem'
 		},
 
 		initialize: function() {