diff --git a/README.md b/README.md
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@@ -247,7 +247,6 @@ When learning CS, there are some useful sites you must know to get always inform
 - [Conquering the Command Line](http://conqueringthecommandline.com/book/frontmatter) : Unix and Linux Commands for Developers
 - [Airbon OS](https://www.airbornos.com) :  Private Google Docs Alternative
 - [Commandlinefu](https://www.commandlinefu.com/commands/browse) : An extensive collection of Shell oneliners that can save your day on many ocasions
-- [Pure Posix Shell Bible](https://github.com/dylanaraps/pure-sh-bible) : A collection of pure POSIX sh alternatives to external processes.
 - [Pure Bash Bible](https://github.com/dylanaraps/pure-bash-bible) : A collection of pure bash alternatives to external processes.
 
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