diff --git a/example/iot-gateway/node_modules/brfs/test/files/path_join.js b/example/iot-gateway/node_modules/brfs/test/files/path_join.js
+++ /dev/null
@@ -1,4 +0,0 @@
-var fs = require('fs');
-var path = require('path');
-var html = fs.readFileSync(path.join(__dirname, 'robot.html'), 'utf8');
-console.log(html);