# Bug in deprecated.js not compiling

**URL:** <https://meta.discourse.org/t/bug-in-deprecated-js-not-compiling/50687>\
**Category:** Bug\
**Created:** [September 26, 2016, 9:01pm UTC](https://meta.discourse.org/t/bug-in-deprecated-js-not-compiling/50687 "2016-09-26T21:01:52Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![mbeale](https://avatars.discourse-cdn.com/v4/letter/m/b3f665/32.png) [@mbeale](https://meta.discourse.org/u/mbeale)\
**Post date:** [September 26, 2016, 9:16pm UTC](https://meta.discourse.org/t/bug-in-deprecated-js-not-compiling/50687/4 "2016-09-26T21:16:33Z")

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it looks like all the other files are ES6, so backward compatible. would changing the extension of deprecated.js take care of it?

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