You can go to Preferences -> Build, Execution, Deployment -> Build Tools -> Maven -> Importing and check the box that says Import Maven projects automatically.

In Mac, you can do Command + Shift + A, then enter the action reimport, then click on Reimport all Maven projects.

Answer from chepukha on Stack Overflow
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JetBrains
intellij-support.jetbrains.com › hc › en-us › community › posts › 360010618919-IntelliJ-Idea-not-removing-external-libraries
IntelliJ Idea not removing (external) libraries – IDEs Support (IntelliJ Platform) | JetBrains
April 21, 2021 - Actual: 4) run 'reload all maven projects' (maven toolwindow) > the dependency is not removed from 'external libraries' and in case of version change the new version is added as library => 2 versions of the same library 5) searching in the project folder it also/still appears in the .iml file under <orderEntry/> The removed versions keep coming back. To fix this I tried: - manually deleting those libraries in IntelliJ: this works until the next 'reload' which load all the versions you ever entered - manually deleting the .iml file: as soon as this file is recreated, the problem returns - manually deleting the .idea folder: solves the problem of the returning bad versions until you change a dependency version or remove the dependency.
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JetBrains
intellij-support.jetbrains.com › hc › en-us › community › posts › 207078295-How-to-clear-remove-all-global-libraries
How to clear / remove all global libraries – IDEs Support (IntelliJ Platform) | JetBrains
Hi,after 1 year plus of adding and removing RVMs and gemsets (Ruby), IntelliJ's Global Libraries cache is a total mess. I'm trying to find a way to clean it up without having to press the "Remove" ...
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JetBrains
intellij-support.jetbrains.com › hc › en-us › community › posts › 360003682939-How-do-you-remove-something-from-External-Libraries
How do you remove something from "External Libraries"? – IDEs Support (IntelliJ Platform) | JetBrains
I'm on a workstation that has Python27, but I'm trying to write in a virtualenv of 3.7. I can do this outside of PyCharm just fine by changing the PATH files, but IN PyCharm, I can't seem to exclude Python27 from the External Libraries.
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Flowersforlessuae
flowersforlessuae.com › wp-content › uploads › elementor › css › j4gyzz › intellij-remove-all-external-libraries.html
Flowersforlessuae
Intellij remove all external libraries. Adding Library to Project Module. Everything done using the IntelliJ Platform SDK is done within the context of a project. | Libraries or Global Libraries. MacOS Big Sur ver. Skips all of the platform dependent guessing of include and library directories for automated build systems that configure the proper paths in …
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Eugene Petrenko
jonnyzzz.com › blog › 2013 › 05 › 13 › removing-unused-dependencies-in-idea
Removing Unused Dependencies in IDEA Projects – Eugene Petrenko
Jonnyzzz Dependencies plugin is designed to help you to solve the issue easily · In the IDEA you'll find an action under main menu: Tools | Remove Unused Module Dependencies. Here you may analyze dependencies for selected number of modules ...
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Stack Overflow
stackoverflow.com › questions › 52356711 › how-to-remove-unused-external-libraries-intellij
how to remove unused external libraries Intellij - Stack Overflow
I am working on a project with Intellij and for some reason we imported too many libraries. now I need to remove all the unnecessary libraries. is there a way to remove them without removing the ac...
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JetBrains
intellij-support.jetbrains.com › hc › en-us › community › posts › 206878515-How-do-I-remove-unused-dependencies-from-the-project-
How do I remove unused dependencies from the project? – IDEs Support (IntelliJ Platform) | JetBrains
April 12, 2013 - Action: The STALE module artifact and its dependencies (if become stale) should be removed from Idea project. As far as I understand Idea should automatically perform the listed actions in case on of the listed situations occur. Am I right? If this has not happened for some reason (error or user's action), how can I force running corresponding process of optimizing External Libraries in Idea? ... Press "Reimport All Maven projects" on Maven Tool Window.
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GitHub
github.com › flutter › flutter-intellij › issues › 2184
Manually deleting library from the External Libraries folder doesn't delete or return · Issue #2184 · flutter/flutter-intellij
May 1, 2018 - From @branflake2267 on June 14, 2017 4:41 Steps to Reproduce select folder in external library delete folder (library) run packages get (note the library didn't delete from module settings libr...
Author   flutter
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JetBrains
youtrack.jetbrains.com › issue › IJPL-12270 › Delete-all-unused-libraries
Delete all unused libraries : IJPL-12270
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JetBrains
youtrack.jetbrains.com › projects › IJPL › issues › IJPL-51421 › Hide-External-Libraries-in-Project-view
Hide External Libraries in Project view : IJPL-51421
Accept AllManage Settings · IssuesDashboardsAgile BoardsProjectsKnowledge BaseGantt Charts · Help · Log inCollapse · Projects/IntelliJ Platform · IntelliJ Platform · IJPL · IssuesAgile BoardsGantt ChartsKnowledge Base · Platform for Building IDEs and Developer Tools ·
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JetBrains
jetbrains.com › help › idea › library.html
Libraries | IntelliJ IDEA Documentation
To return library items to their original state, remove the excluded items. You can view the full list of remote repositories and add a custom repository in the settings. Note that IntelliJ IDEA can load libraries from Maven even if you don't use Maven as a build tool for your project.
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Coderanch
coderanch.com › t › 766989 › intellij-idea › ide › skip-external-libraries-debugging-IntelliJ
How to skip external libraries during debugging in IntelliJ? (IntelliJ IDEA forum at Coderanch)
January 12, 2023 - Turned out it was the "Show Method Return Values" setting enabled in the debug view: https://stackoverflow.com/questions/5010362/can-i-find-out-the-return-value-before-returning-while-debugging-in-intellij Even if I had Java.*-classes and other classes excluded in "Do not step into classes" setting: https://stackoverflow.com/questions/20575107/how-to-force-intellij-to-only-step-into-my-source-code IntelliJ IDEA 2023.2.4 Community Edition
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JetBrains
youtrack.jetbrains.com › issue › IDEA-103560
Exclude external libraries from a custom scope of 'Find in Path'
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JetBrains
intellij-support.jetbrains.com › hc › en-us › community › posts › 205970144-How-to-exclude-external-libraries-from-indexing
How to exclude external libraries from indexing – IDEs Support (IntelliJ Platform) | JetBrains
November 12, 2016 - Now I marked all external directories as excluded I have "External Libraries" tree empty but still indexing takes too long. I understand that even if directory is excluded some headers in it are still scanned if they are included in my project, right? This on its own is OK I think. But can I somehow check what exactly takes so long? Any logs? I tested that removing that include_directories() command from my CMakeLists.txt makes index building very quick but autocompletion expectedly doesn't work with classes/functions from those libraries so it's not an option.
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Gradle
discuss.gradle.org › help/discuss
External Dependencies not pulled after clearing gradle cache - Help/Discuss - Gradle Forums
July 5, 2017 - This is a boiler plate gradle file from Spring.io. I added few dependencies like okhttp and following that i had add gson dependency to prettify json. but the last dependencies never appears in the project compilation in IntelliJ. I can’t use the library. Infact can’t use any latest library.
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JetBrains
youtrack.jetbrains.com › articles › SUPPORT-A-309 › How-to-Exclude-Specific-Libraries-from-Search-in-Intellij-IDEA
How to Exclude Specific Libraries from Search in Intellij IDEA | Knowledge Base
Assign a name to this new scope, such as "Without Libraries". In the scope definition area, specify which directories to exclude. Save settings by clicking 'OK'. Upon completing these steps, you will be able to select your custom scope "TestScope" from the 'Scope' dropdown menu whenever you execute a 'Find in Path' (Ctrl+Shift+F) search operation. As a result, search results will exclude codes from the directories specified in your custom scope. This article applies to all Intellij-based IDEs.
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JetBrains
youtrack.jetbrains.com › issue › WI-58471 › Remove-External-Libraries-from-Project-view
Remove "External Libraries" from "Project" view : WI-58471
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JetBrains
intellij-support.jetbrains.com › hc › en-us › community › posts › 9876205485458-Hide-external-libraries-node-from-project-view
Hide external libraries node from project view? – IDEs Support (IntelliJ Platform) | JetBrains
February 1, 2023 - It's always annoying that the "external libraries" node in the project view will be expanded when a decompiled class is shown which results in a large amount of scrolling back to the interesting so...