# Suppressing precompilation

**URL:** <https://discourse.julialang.org/t/suppressing-precompilation/89624>\
**Category:** General Usage\
**Created:** [November 1, 2022, 5:29pm UTC](https://discourse.julialang.org/t/suppressing-precompilation/89624 "2022-11-01T17:29:24Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![wsshin](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/wsshin/32/360_2.png) [@wsshin](https://discourse.julialang.org/u/wsshin)\
**Post date:** [November 1, 2022, 5:29pm UTC](https://discourse.julialang.org/t/suppressing-precompilation/89624/1 "2022-11-01T17:29:24Z")

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Is there a way to suppress precompilation when adding packages?

Right now I am adding and removing packages repeatedly to resolve package version compatibility, and waiting for precompilation to finish every time is exhausting.

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**Author:** ![stillyslalom](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stillyslalom/32/45687_2.png) [@stillyslalom](https://discourse.julialang.org/u/stillyslalom)\
**Post date:** [November 1, 2022, 5:32pm UTC](https://discourse.julialang.org/t/suppressing-precompilation/89624/2 "2022-11-01T17:32:55Z")

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[https://pkgdocs.julialang.org/v1/environments/#Automatic-Precompilation](https://pkgdocs.julialang.org/v1/environments/#Automatic-Precompilation)

> To disable the auto-precompilation, set `ENV["JULIA_PKG_PRECOMPILE_AUTO"]=0`

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<div class="post-metadata">

**Author:** ![jling](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jling/32/212909_2.png) [@jling](https://discourse.julialang.org/u/jling)\
**Post date:** [November 1, 2022, 5:33pm UTC](https://discourse.julialang.org/t/suppressing-precompilation/89624/3 "2022-11-01T17:33:14Z")

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just Ctrl-C