diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index b4a008c45..cb70f416b 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -6302,7 +6302,7 @@
       return $.addClass(QR.nodes.el, 'dump');
     },
     handleBlob: function(urlBlob, header, url) {
-      var blob, end, endnl, endsc, mime, name, name_end, name_start, start, _ref;
+      var blob, end, endnl, endsc, mime, name, name_end, name_start, start;
       name = url.substr(url.lastIndexOf('/') + 1, url.length);
       start = header.indexOf("Content-Type: ") + 14;
       endsc = header.substr(start, header.length).indexOf(";");
@@ -6324,9 +6324,6 @@
       if (blob.type === null) {
         return QR.error("Unsupported file type.");
       }
-      if (_ref = blob.type, __indexOf.call(QR.mimeTypes, _ref) < 0) {
-        return QR.error("Unsupported file type.");
-      }
       return QR.handleFiles([blob]);
     },
     handleUrl: function() {
diff --git a/builds/crx/script.js b/builds/crx/script.js
index acfc2a066..2e039cdac 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -6366,7 +6366,7 @@
       return $.addClass(QR.nodes.el, 'dump');
     },
     handleBlob: function(urlBlob, header, url) {
-      var blob, end, endnl, endsc, mime, name, name_end, name_start, start, _ref;
+      var blob, end, endnl, endsc, mime, name, name_end, name_start, start;
       name = url.substr(url.lastIndexOf('/') + 1, url.length);
       start = header.indexOf("Content-Type: ") + 14;
       endsc = header.substr(start, header.length).indexOf(";");
@@ -6388,9 +6388,6 @@
       if (blob.type === null) {
         return QR.error("Unsupported file type.");
       }
-      if (_ref = blob.type, __indexOf.call(QR.mimeTypes, _ref) < 0) {
-        return QR.error("Unsupported file type.");
-      }
       return QR.handleFiles([blob]);
     },
     handleUrl: function() {
diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index 66977c6ef..34b885e1e 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -303,13 +303,11 @@ QR =
     blob.name = url.substr(url.lastIndexOf('/')+1, url.length)
     name_start = header.indexOf('name="') + 6
     if (name_start - 6 != -1)
-      name_end = header.substr(name_start, header.length).indexOf('"')
+      name_end  = header.substr(name_start, header.length).indexOf('"')
       blob.name = header.substr(name_start, name_end)
 
     return if blob.type is null
       QR.error "Unsupported file type."
-    return unless blob.type in QR.mimeTypes
-      QR.error "Unsupported file type."
     QR.handleFiles([blob])
 
   handleUrl:  ->