diff --git a/lib/external/convnet/1.1.0/convnet.js b/lib/external/convnet/1.1.0/convnet.js
index 6f102ccc..55205fd1 100644
--- a/lib/external/convnet/1.1.0/convnet.js
+++ b/lib/external/convnet/1.1.0/convnet.js
@@ -2112,11 +2112,4 @@ var convnetjs = convnetjs || { REVISION: 'ALPHA' };
 
   global.MagicNet = MagicNet;
 })(convnetjs);
-(function(lib) {
-  "use strict";
-  if (typeof module === "undefined" || typeof module.exports === "undefined") {
-    window.jsfeat = lib; // in ordinary browser attach library to window
-  } else {
-    module.exports = lib; // in nodejs
-  }
-})(convnetjs);
+this.convnetjs = convnetjs;