diff --git a/index.html b/index.html
index 6fbdc353..078b7913 100644
--- a/index.html
+++ b/index.html
@@ -65,10 +65,8 @@
     var MAX_IMAGE_SIZE = 768;
 
     // Supported image MIME types and corresponding file extensions.
-    var SUPPORTED_FORMATS = ['image/jpeg', 'image/gif', 'image/png', 'image/x-icon',
-      'image/vnd.microsoft.icon', 'image/svg', 'image/svg+xml'];
-    var MIME_EXTENSIONS   = ['jpg',        'gif',       'png',       'ico',
-      'ico',                      'svg',       'svg'];
+    var SUPPORTED_FORMATS = ['image/jpeg', 'image/gif', 'image/png', 'image/svg', 'image/svg+xml'];
+    var MIME_EXTENSIONS   = ['jpg',        'gif',       'png',       'svg',       'svg'];
 
     // Short representation of time in the past.
     function shortDateFormat(then) {