diff --git a/example/iot-gateway/node_modules/indexof/Readme.md b/example/iot-gateway/node_modules/indexof/Readme.md
+++ /dev/null
@@ -1,15 +0,0 @@
-
-# indexOf
-
- Lame indexOf thing, thanks microsoft
-
-## Example
-
-```js
-var index = require('indexof');
-index(arr, obj);
-```
-
-## License
-
- MIT
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